Wiki source code of Astrophysics seminar
Last modified by Till Sawala on 2024/05/14 15:59
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| 1 | == (% style="color:#3498db" %)**Tähtitieteen seminaari / Astrophysics seminar**(%%) == | ||
| 2 | |||
| 3 | == == | ||
| 4 | |||
| 5 | **The seminar programme is organised by Till Sawala. If you would like to propose a speaker, please email: [[till.sawala@helsinki.fi>>mailto:till.sawala@helsinki.fi]]** | ||
| 6 | |||
| 7 | **The seminar usually takes place on Fridays from 10:15 - 11:15, in D114 (except 10.4. in E207 and 17.5. in D106), Physicum, Kumpula Campus, and remotely via zoom at the following link: | ||
| 8 | \\[[https:~~/~~/helsinki.zoom.us/j/65334904610?pwd=S2ZqYVpvQXVuTGNhVlJTbVczZlBwdz09>>url:https://helsinki.zoom.us/j/65334904610?pwd=S2ZqYVpvQXVuTGNhVlJTbVczZlBwdz09]]** | ||
| 9 | |||
| 10 | **Please check this website for updates or different starting times!** | ||
| 11 | |||
| 12 | |||
| 13 | (% style="color:#3498db" %)**Next seminar: Friday May 17, 10:15, Jehanne Delhomelle (University of Helsinki / Toulouse): "The future of the Local Group"** | ||
| 14 | |||
| 15 | |||
| 16 | (% style="color:#3498db" %)**Program Spring 2024** | ||
| 17 | |||
| 18 | * 19.1.** Joonas Nättilä** (Flatiron Institute/Columbia University): "Neutron Star Weather Forecasting" | ||
| 19 | * 26.1.** Núria Miret-Roig** (University of Vienna): "Synchronising stellar clocks. A new observable for probing star formation and dispersion" | ||
| 20 | * 9.2. **Sarah Bird** (China Three Gorges University): "Milky Way Mass with K Giants and BHB Stars Using LAMOST, SDSS/SEGUE, and Gaia" | ||
| 21 | * 16.2.** Eric McLennan** (University of Helsinki): "Thermal Processes on near-Sun Asteroids: Observations and Models" | ||
| 22 | * 23.2. **Guilhem Lavaux** (Institut d'Astrophysique de Paris): "Machine learning boosted cosmological inference" | ||
| 23 | * 1.3. **Raffaele Gratton **(INAF): "How frequent is the Solar System?" | ||
| 24 | * 8.3 **Teaching Break - No seminar** | ||
| 25 | * 22.3. **Emma Thomas** (University of Leicester): "Into the Unknown: Observing infrared aurorae of Uranus" | ||
| 26 | * 29.3 **Good Friday - No seminar** | ||
| 27 | * 5.4. **Till Sawala** (University of Helsinki): "Revealing the Galactic potential with expanding star clusters" | ||
| 28 | * 10.4. **Jenny Wagner **(BASIC): "Lensing of '69 ~-~- Free gravitational lensing from its heuristic models" | ||
| 29 | * 26.4.** Job Vorster** (University of Helsinki): "VLBI Water Maser Monitoring During the Onset of the Accretion Burst in NGC6334I" | ||
| 30 | * 3.5. **David Benisty** (University of Cambridge): "Constraining Dark Energy from the Local Universe" | ||
| 31 | * 17.5. **Jehanne Delhomelle** (University of Helsinki / Toulouse): "The future of the Local Group" | ||
| 32 | |||
| 33 | |||
| 34 | **Past program Autumn 2023** | ||
| 35 | |||
| 36 | * 8.9.** Till Sawala** (Helsinki): "The Timeless Timing Argument" | ||
| 37 | * 15.9. **Elisabeta Lusso **(Florence): "What we can (still) learn from the non-linear X-ray to UV relation in AGN" | ||
| 38 | * 22.9. **Karri Muinonen **(Helsinki): "Scattering of light by cosmic dust particles using parameterization" | ||
| 39 | * 29.9. **Antti Penttilä** (Helsinki): "Modeling the polarimetric observations of the Didymos asteroid" | ||
| 40 | * 4.10. **Sandrine Lescaudron **(Institud d'Astrophysique de Paris): "Dynamical friction of a massive black hole in a turbulent gaseous medium" | ||
| 41 | * 6.10. **Alex Rawlings **(Helsinki): "Uncertainty in SMBH binary eccentricity is unavoidable" | ||
| 42 | * 13.10. **Katja Fahrion** (ESA): "Nuclear star cluster formation in massive and dwarf galaxies" | ||
| 43 | * 27.10. **Maria Stone** (Turku): "Observational view of galaxies in Type I quasar fields at redshifts 0.1<z<0.5 and its implications to AGN triggering and galaxy evolution" | ||
| 44 | * 3.11.** Haonan Zheng** (Durham): "Dark Matter Mini-halo Abundance and Annihilation Signals Under Baryonic Impacts" | ||
| 45 | * 10.11. **Federico di Vruno** (SKA Observatory): "Dark and Quiet Skies and satellite constellation interference" [[slides available>>url:https://wiki-emerita.it.helsinki.fi/download/attachments/79575079/Dark%20and%20Quiet%20Skies%20-%20Helsinki%202023.pdf?version=1&modificationDate=1699774462806&api=v2]] | ||
| 46 | * 15.11. **Bingqing Sun** (Massachusetts Amherst): "The role of spiral arms in Galaxies" | ||
| 47 | * 24.11. **Christopher Tiede **(Copenhagen): "Orbital evolution and observational signatures of massive binaries accreting from circumbinary disks" | ||
| 48 | * 1.12. **Jessica Hislop** (Helsinki): "How clustered stellar feedback drives galactic scale outflows" | ||
| 49 | * 5.12 **Tomáš Šoltinský** (Tata Institute of Fundamental Research): "Prospects of statistical detection of the 21-cm forest by the uGMRT" | ||
| 50 | * 8.12. **Elina Lindfors** (Turku): "The Mystery of Cosmic Neutrinos" | ||
| 51 | * 15.12. **Maarit Korpi-Lagg **(Aalto) : "Dynamo instabilities in stellar convection zones: implications for dynamics and dynamos" | ||
| 52 | |||
| 53 | **Past program Spring 2023** | ||
| 54 | |||
| 55 | * 13.1.** Axel Runnholm** (University of Stockholm): "//Probing the Epoch of Reionization with Lya - laying the foundations at low redshift "// | ||
| 56 | * 17.1.// //**Jan Kára** (Charles University Prague): //"Doppler tomography of the cataclysmic variable IX Velorum"// | ||
| 57 | * 20.1.** Christopher Berry **(University of Glasgow): //"Understanding the evolution of binary black holes"// | ||
| 58 | * 3.2. **Mireia Montes **(Instituto de Astrofísica de Canarias): //"How the intracluster light is going to change your life!"// | ||
| 59 | * 10.2. **Stefano Andreon** (INAF-OA Brera): //"The inside-out growth of galaxy clusters: reaching the virial radius in Abell 2244"// | ||
| 60 | * 17.2. **Till Sawala** (University of Helsinki): //"Distinct distributions of elliptical and disk galaxies as a ΛCDM prediction"// | ||
| 61 | * 24.2. **Sohan Ghodla** (University of Auckland): //"Influence of accretion on stellar and compact remnant evolution"// | ||
| 62 | * 3.3. **Richard Brooks** (University College London)~:// "ΛCDM survives another day: Origins of the asymmetry in the ALFALFA survey"// | ||
| 63 | * 10.3. **Teaching Break - No seminar** | ||
| 64 | * 17.3. **Johanna Hartke** (University of Turku): //"Tracing halo and intra-cluster light assembly with planetary nebulae"// | ||
| 65 | * 24.3. **Bibiana Prinoth** (Lund Observatory)~:// "Exploring the atmosphere of the ultra-hot Jupiter WASP-189 b"// | ||
| 66 | * 31.3. **Alberto. J. Castro-Tirado** (Institute of Astrophysics of Andalucía)~:// "The Burst Observer and Optical Transient Exploring System in the Multi-Messenger Astronomy Era"// | ||
| 67 | * 7.4. **Good Friday - No seminar** | ||
| 68 | * 14.4. **Mika Juvela** (University of Helsinki)~:// "Structure of star-forming clouds: methods and measurements"// | ||
| 69 | * 21.4. **Thomas Hackman **(University of Helsinki): //"Magnetic fields on solar-type stars"// | ||
| 70 | * 28.4. **Dipto Mukherjee **(Carnegie Mellon University): //"Exploring the Dynamics of Massive Black Hole Mergers in Relaxed Nuclear Star Clusters"// | ||
| 71 | * 5.5. **John Regan **(Maynooth University): //"Black Hole Formation Pathways and Observational Signatures"// | ||
| 72 | * 15.5 **Thorsten Naab **(MPA Garching):** //"Towards a complete model of the star forming interstellar medium"//** | ||
| 73 | * 16.6. **Arif Babul** (University of Victoria):** //"Modeling the Formation and Evolution of Massive Galaxies in the Cosmos: Successes & Opportunities"//** | ||
| 74 | |||
| 75 | **Past program Autumn 2022** | ||
| 76 | |||
| 77 | * 9.9. **Ruby Wright** (ICRAR & Flatiron Institute), "An orbital perspective on the starvation, stripping, and quenching of satellite galaxies in cosmological simulations" | ||
| 78 | * 16.9. **Till Sawala** (University of Helsinki), "The Local Group's mass: probably not more than the sum of its parts" | ||
| 79 | * 7.10. **Shourya Khanna** (INAF Torino), "Galactic dynamics with Gaia DR3: A new resonance-like feature in the outer disc of the Milky Way" | ||
| 80 | * 14.10. **Franco Vazza **(University of Bologna), "The simulated and observed magnetism of the cosmic web" | ||
| 81 | * 20.10. **Simon Portegies Zwart **(Leiden University), "The unpredictability of relativistic stellar clusters and the paradox of infinitesimal granularity" | ||
| 82 | * 4.11. **Benne Holwerda **(University of Louisville), "Looking At the Distant Universe with the MeerKAT Array LADUMA" | ||
| 83 | * 11.11. **Petra Nianqi Tang** (University of Auckland), "Predicting gravitational wave signals from galactic binary populations of a Milky Way-like galaxy for LISA" | ||
| 84 | * 18.11. **Mikko Pöntinen** (University of Helsinki), "Detecting asteroids with convolutional and recurrent neural networks" | ||
| 85 | * 25.11.** Joanna Drazkowska **(MPI for Solar System Research), "Rewriting the planet formation theory" | ||
| 86 | * 2.12. **John Wu** (Space Telescope Science Institute), "Astronomy Re-envisioned: Investigating the Physics of Galaxy Evolution with Machine Learning" | ||
| 87 | * 9.12. Event in celebration of Juhani Huovelin (15:00) | ||
| 88 | * 16.12. **Tero Hiekkalinna** (University of Helsinki / THL), "Light from the Darkness - Deep Space Astrophotography" | ||
| 89 | |||
| 90 | **Past program Spring 2022** | ||
| 91 | |||
| 92 | * **14.1. Job Vorster** (North West University), "Accretion bursts: a global observational effort in massive star formation studies" | ||
| 93 | * **21.1. Till Sawala** (University of Helsinki), "The Plane of Milky Way satellites - the end of ΛCDM?" | ||
| 94 | * **28.1. Francesco Rizzuto** (University of Helsinki), "Collisions in compact star clusters and formation of massive Black Holes" | ||
| 95 | * **4.2. Laura Sberna** (Albert Einstein Institute), "The calm after the storm: black hole ringdown beyond linear perturbation theory" | ||
| 96 | * **11.2. Tuomas Kangas** (Stockholm), "The structure of the SN 1987A remnant" | ||
| 97 | * **18.2. Pascale Jablonka** (EPFL Lausanne), "Looking for and into the galaxy building blocks" | ||
| 98 | * **25.2. Alejandro Benitez-Llambay** (University of Milano-Bicocca), "Dark and late-forming galaxies: probing ΛCDM at the edge of galaxy formation" | ||
| 99 | * **4.3. Sambatra Andrianomena** (University of Cape Town), "Leveraging Machine Learning and Simulation in preparation for the era of big data in Astronomy" | ||
| 100 | * **25.3. Sanna Damsted** (University of Helsinki), "Role of substructure in galaxy cluster scaling relations" | ||
| 101 | * **1.4. Mika Juvela** (University of Helsinki), "Simulations and synthetic interferometry observations of a high-mass star forming cloud" | ||
| 102 | * **8.4. Antti Penttilä **(University of Helsinki) "Blender/Python testbed for asteroid imaging and camera performance simulations" | ||
| 103 | * **22.4. Leo Burtscher** (University of Leiden),** **"Astronomy and the climate crisis" | ||
| 104 | * **29.4. Miikka Väisälä **(Academica Sinica, Taiwan), "Pseudodisks in Star Formation" | ||
| 105 | * **13.5. Special seminar **with** Auni Somero ([[aeromon.fi>>url:https://aeromon.fi]]) **and** Pauli Pihajoki**, "Life and work beyond academia" | ||
| 106 | |||
| 107 | **Past program Autumn 2021** | ||
| 108 | |||
| 109 | * **17.9. Dimitrios Irodotou** (University of Helsinki), "The effects of AGN feedback on the structural and dynamical properties of Milky Way-mass galaxies in cosmological simulations" | ||
| 110 | * **24.9. Aku Venhola** (University of Oulu), "Low mass galaxies and their evolution in dense galactic environments - the Fornax cluster as a case study" | ||
| 111 | * **1.10. Jessica Hislop **(Max Planck Institute for Astrophysics), "The challenge of simulating the star cluster population of dwarf galaxies with resolved interstellar medium" | ||
| 112 | * **8.10. Stephen Marsden **(University of Southern Queensland), "The shared evolution of stars and planets" | ||
| 113 | * **15.10. Anne Virkki** (University of Helsinki), "Characterizing Near-Earth Asteroids using the Arecibo Radar Observations" | ||
| 114 | * **22.10. Teemu Willamo **(University of Helsinki), "Magnetic imaging of young solar analogues" | ||
| 115 | * **29.10. Achamveedu Gopakumar **(Tata Institute of Fundamental Research, Mumbai): "Modeling gravitational wave signals from non-circular compact binaries" | ||
| 116 | * **5.11. Ioana Ciuca** (University College London): "Unveiling missing hidden atomic physics using generative machine learning models" [[slides available to download here>>url:https://wiki-emerita.it.helsinki.fi/download/attachments/79575079/helsinki_talk.pdf?version=1&modificationDate=1636530333932&api=v2]] | ||
| 117 | * **12.11. Jyri Lehtinen **(University of Helsinki): "Stellar magnetism across rotation and the HR-diagram" | ||
| 118 | * **19.11. Johan Fynbo** (Niels Bohr Institute, University of Copenhagen) "Astrometric selection of Quasars" | ||
| 119 | * **26.11. Nikki Arendse** (DARK, University of Copenhagen), //"Cosmic dissonance: new physics or systematics behind the Hubble tension?"// | ||
| 120 | * **3.12. Josh Borrow** (MIT),// "How to Simulate a Universe: The numerics and limitations of Cosmological Simulations"// | ||
| 121 | |||
| 122 | **Past Program Spring 2021** | ||
| 123 | |||
| 124 | * **15.1 Sandra P. Treviño-Morales (Chalmers University of Technology, Sweden) at 11.15: //Dynamics and fragmentation in Galactic filamentary structures//** | ||
| 125 | * **29.1 Toni Tuominen (University of Tartu, Estonia): //An EAGLE view of the missing baryons//** | ||
| 126 | * ** 5.2 Akke Viitanen (University of Helsinki): //Untangling X-ray AGN clustering through observations and semi-empirical models//** | ||
| 127 | * **12.2 Dimitrios Irodotou (University of Sussex, UK): Analysing the morphology of simulated galaxies and the effect of AGN feedback** | ||
| 128 | * **19.2 Eric MacLennan (University of Helsinki): The Thermal and Dynamical History of (3200) Phaethon and (155140) 2005 UD** | ||
| 129 | * **26.2** (winter break) | ||
| 130 | * ** 5.3 (winter break)** | ||
| 131 | * **12.3 (exam week)** | ||
| 132 | * **19.3 Mikko Tuomi (University of Helsinki): Planets orbiting M dwarfs in the Solar neighbourhood - The spectacular abundance of small planets orbiting M dwarfs based on radial velocity surveys** | ||
| 133 | * **26.3** | ||
| 134 | * ** 2.4 (Good Friday)** | ||
| 135 | * ** 9.4** | ||
| 136 | * **16.4 Emma Mannfors (University of Helsinki): Characterization of dense Planck clumps observed with //Herschel //and SCUBA-2** | ||
| 137 | * **23.4 Thomas Pasini (Hamburg University): Radio galaxies in galaxy groups: kinematics, scaling relations and AGN feedback** | ||
| 138 | * **30.4 Johannes Markkanen (Max Planck Institute, Germany): Scattering, absorption and thermal emission by dust: Application to the comet 67P/Churyumov-Gerasimenko** | ||
| 139 | * ** 7.5 Karri Muinonen (University of Helsinki): Coherent backscattering by airless Solar System objects using Mueller matrix decomposition** | ||
| 140 | * **14.5 no seminar** | ||
| 141 | * **21.5 David Korda (University of Helsinki): Helioseismic inversions for plasma flows** | ||
| 142 | |||
| 143 | **Past Program Fall 2020** | ||
| 144 | |||
| 145 | * **18.9 Shihong Liao (University of Helsinki): //The story of ultra-diffuse galaxies in the Auriga simulations//** | ||
| 146 | * **23.10 Mika Juvela: //Modelling of Interstellar Medium//** | ||
| 147 | * **29.10 Neil Cornish (Montana State University): //On the road to low frequency gravitational wave detection: NANOGrav at mile marker 12.5//** | ||
| 148 | * **30.10 Antti Penttilä: //Asteroid taxonomy using neural networks//** | ||
| 149 | * ** 6.11 Joonas Uusitalo: //Astronomical and terrestrial anomalies in natural archives//** | ||
| 150 | * **13.11 Heidi Lietzen (Tartu Observatory): //Groups of galaxies as the evolving building blocks of the Universe//** | ||
| 151 | * **20.11 Charlie Mpetha (Liverpool University): //Gravitational Redshifting of Galaxies in the SPIDERS Cluster Catalogue//** | ||
| 152 | * **27.11 John Regan (Maynooth University, Ireland): //Pathways to Forming Massive Black Holes in the Early Universe//** | ||
| 153 | * ** 4.12 Stefano Andreon (Brera Observatory): //Gas-poor clusters: what kind of beasts are they?//** | ||
| 154 | * **11.12 Julia Martikainen (University of Helsinki) at 11:00: //Asteroid phase curve parameters and absolute magnitudes from Gaia photometry//** | ||
| 155 | |||
| 156 | **Past Program Spring 2020** | ||
| 157 | |||
| 158 | * **10.1 Ulrich Steinwandel (LMU Munich): //Resolving ISM-physics in galactic scale simulations//** | ||
| 159 | * **17.1 Athanasia Toliou (Luleå University of Technology): //Dynamical evolution of the Main Asteroid Belt in the primordial Solar System//** | ||
| 160 | * **31.1 Stuart McAlpine (University of Helsinki): //Galaxy mergers in EAGLE do not induce a significant amount of black hole growth yet do increase the rate of luminous AGN//** | ||
| 161 | * ** 7.2 Till Sawala (University of Helsinki): //Setting the Stage: Structure formation from Gaussian Random Fields//** | ||
| 162 | * **21.2 Joonas Herranen (University of Helsinki): //Too plausible to be true? Centrifugal explosions of cometary dust by sunlight VS a zoo of observations//** | ||
| 163 | * **28.2 Eric MacLennan (University of Helsinki): //Deciphering Space Weathering on Asteroids using Meteorite Analogs//** | ||
| 164 | * **13.3 Natalia Lahen (University of Helsinki): //Simulating the formation of star clusters in a dwarf galaxy starburst resolved with individual massive stars//** | ||
| 165 | * **20.3 Neha Sharma (Kyung-Her University): //Triggered star formation in molecular clouds//** | ||
| 166 | * **3.4 Tomas Kohout (University of Helsinki): //Spectral Shock Darkening During Asteroid Collisions//** | ||
| 167 | * **15.5 Timo Väisänen (University of Helsinki): //Light scattering in dense particulate media//** | ||
| 168 | |||
| 169 | **Past Program Fall 2019** | ||
| 170 | |||
| 171 | * **9.8. Habib Khosroshahi (IPM/INO): //Galaxies and central engine; the role of group environment and dynamics//** | ||
| 172 | * **30.8. Hamid Mehdipour (Lahijan University): //Cluster analysis of the solar system objects//** | ||
| 173 | * **6.9. Lauri Haikala (Universidad de Atacama): //A mysterious dusty object in the Sa galaxy NGC3269//** | ||
| 174 | * **13.9. Antti Rantala (University of Helsinki): //Galactic-scale N-body simulations with resolved small-scale gravitational dynamics: recent progress and future challenges//** | ||
| 175 | * **20.9. Matias Mannerkoski (University of Helsinki): //Gravitational Waves from the Inspiral of Supermassive Black Holes in Galactic-scale Simulations//** | ||
| 176 | * **27.9. Peter Roelfsema (SRON): SPICA - a joint infrared space observatory** | ||
| 177 | * **4.10. Peter Johansson (University of Helsinki): //Post-Newtonian dynamical modelling of super-massive black holes in global large-scale simulations//** | ||
| 178 | * **11.10. Karri Muinonen (University of Helsinki): //Asteroid lightcurve inversion using Bayesian inference//** | ||
| 179 | * **18.10. Teemu Willamo (University of Helsinki): //Shapes of stellar activity cycles//** | ||
| 180 | * **1.11. Moses Mogotsi (South African Astronomical Observatory): //Multi-wavelength Feedback studies in the Nearby Universe, featuring IRAS18293-3413 and friends//** | ||
| 181 | * **8.11. Alex Ho (University of Agder): //The Extended N-Body Problem//** | ||
| 182 | * **15.11. Matthew Holman (Harvard-Smithsonian Center for Astrophysics): //A Pan-STARRS and TESS Search for Distant Planets//** | ||
| 183 | * **22.11. Alberto Cellino (INAF Osservatorio Astrofisico di Torino): //Asteroid Polarimetry: State of the art and Recent Achievements//** | ||
| 184 | * **29.11. Alexis Finoguenov (University of Helsinki): //Largest spectroscopic catalog of X-ray galaxy clusters from SDSS-IV//** | ||
| 185 | * **13.12. Evgenij Zubko (Kyung Hee University): //Polarimetry of two near-Earth comets of 2018: Fast variations of polarization in the 21P/Giacobini-Zinner coma and low P_max in C/2018 V1 (Machholz–Fujikawa–Iwamoto)//** | ||
| 186 | * **19.12. Anne Virkki (Arecibo Observatory): //Arecibo Observatory planetary radar program//** | ||
| 187 | |||
| 188 | **Past Program Spring 2019** | ||
| 189 | |||
| 190 | * **22.1. Johan Comparat (MPE): //Cosmology with eROSITA's active galactic nuclei//** | ||
| 191 | * **25.1. Jacob Ider Chitham (MPE): //Optical follow-up of CODEX galaxy clusters with SPIDERS and Pan-STARRS//** | ||
| 192 | * **1.2. Ghassem Gozaliasl (University of Helsinki): //BGG science in deep surveys vs. simulations//** | ||
| 193 | * **8.2**. **Hannu Kurki-Suonio (University of Helsinki): //Euclid Cosmology Mission//** | ||
| 194 | * **15.2. Florian Käfer (MPE): //Towards a characterization of X-ray galaxy clusters for cosmology//** | ||
| 195 | * **21.2. Miikka Väisälä (TIARA/ASIAA, Taiwan): //Observational Signatures of Misaligned Magnetic Fields in Early Disk Formation and Their Time Evolution//** | ||
| 196 | * **25.2. Oleksiy Golubov (V. N. Karazin Kharkiv National University and University of Colorado Boulder): //Light pressure forces on asteroids and YORP equilibria//** | ||
| 197 | * **1.3. Clotilde Laigle (University of Oxford):** //**Observing the multi-scale cosmic web at high redshift and quantifying its impact on galaxy assembly**// | ||
| 198 | * **15.3. Oliver Müller (University of Strasbourg)~:// Testing cosmological models with dwarf galaxies//** | ||
| 199 | * **22.3. Roberto De Propris (University of Turku): //The Ultraviolet Upturn in Elliptical Galaxies//** | ||
| 200 | * **29.3. Guanglang Xu (University of Helsinki): //A quick introduction to spherical wavelets and two relevant applications//** | ||
| 201 | * **5.4. John Regan (Dublin City University): //Black Hole Formation in the Early Universe//** | ||
| 202 | * **10.4 Lankeswar Dey (University of Turku): //The Nascent Field of Nanohertz Gravitational Wave Astronomy//** | ||
| 203 | * **12.4. Julia Martikainen (University of Helsinki): //Asteroid surface composition by modelling light scattering//** | ||
| 204 | * **26.4. Grigori Fedorets (University of Helsinki): //Discovering minimoons with LSST//** | ||
| 205 | * **3.5. Yirui Zheng (University of St. Andrews): //Comparison of stellar populations of simulated and real post-starburst galaxies in ManNGA//** | ||
| 206 | * **6.5 Richard Ellis (University College London)~:// The First Galaxies and Cosmic Reionisation //** | ||
| 207 | * **7.5 Richard Ellis (University College London)~:// The Assembly History of Elliptical Galaxies//** | ||
| 208 | * **10.5 Joonas Herranen (University of Helsinki): //Well-behaving dust and other small particles – an overview to scattering dynamics//** | ||
| 209 | * **15.5 Jürgen Blum (IGep, TU Braunschweig): //What comets can tell us about planetesimal formation//** | ||
| 210 | * **24.5 Tuomas Savolainen (Aalto University): //First M87 Event Horizon Telescope Results: Imaging the Shadow of the supermassive black hole//** | ||
| 211 | * **28.5 Eric MacLennan (University of Helsinki): //Asteroid Surfaces in the Thermal Infrared//** | ||
| 212 | * **18.6 Matthieu Schaller (Leiden University): //Towards exa-scale for cosmological hydro simulations: Challenges and (some) solutions in the SWIFT code//** | ||
| 213 | |||
| 214 | **Past Program Autumn 2018** | ||
| 215 | |||
| 216 | * **8.8. Colin Snodgrass (Open University, UK)~:// It came from outer space: Interstellar visitor 1I/‘Oumuamua//** | ||
| 217 | * **10.8. Robert Nelson (Planetary Science Institute)~:// Creating Planetary Regoliths in the Laboratory – What do Remote Sensing Observations tell us?//** | ||
| 218 | * **15.8. Moses Mogotsi (South African Astronomical Observatory)~:// //The Kinematics of SUNBIRD LIRGS** | ||
| 219 | * **24.8. Lauri Haikala** (**Universidad de Atacama**): //**ALMA observations of globulettes: formation sites of free floating planets?**// | ||
| 220 | * **4.9. Xiaobin Wang (Yunnan Observatories, Chinese Academy of Sciences): //Physical studies of near-Earth asteroid (3200) Phaethon//** | ||
| 221 | * **5.9. Shenghong Gu** **(Yunnan Observatories, Chinese Academy of Sciences)**: //**Yunnan-Hong Kong wide field transit survey**// | ||
| 222 | * **14.9. Ellie Sansom (Curtin University): //The Desert Fireball Network - Fireballs, Orbits and Meteorites//** | ||
| 223 | * **28.9.** Stuart McAlpine (University of Helsinki):**// Growing black holes in the EAGLE simulation//** | ||
| 224 | * **12.10. Gastón Folatelli (Universidad Nacional de la Plata): //The birth of a supernova//** | ||
| 225 | * **19.10. Jorma Harju (University of Helsinki): //ALMA observations of a de-icing zone around a prestellar core//** | ||
| 226 | * **26.10. //(teaching break)//** | ||
| 227 | * **1.11. Tuomo Salmi (University of Turku):** //**Mass and radius constraints for neutron stars from X-ray timing, spectral and polarization observations**// | ||
| 228 | * **9.11. Pauli Pihajoki (University of Helsinki):** //Barycentric interpolation on Riemannian manifolds// | ||
| 229 | * **14.11. Jan-Willem den Herder (SRON): //High spectral resolution X-ray imaging with Athena: a new window on the hot and energetic Universe//** | ||
| 230 | * **30.11. Nico Krieger (MPIA): Zooming into the starburst environment of NGC253 and the Galactic Center** | ||
| 231 | * **7.12. Mika Saajasto (University of Helsinki)~:// A stellar cluster in formation: cloud G074.11+00.11//** | ||
| 232 | * **14.12. Thomas Hackman (University of Helsinki): //Long-term monitoring of stellar spot activity//** | ||
| 233 | |||
| 234 | **Past Program Spring 2018** | ||
| 235 | |||
| 236 | * **5.1.// (teaching break)//** | ||
| 237 | * **12.1. //(teaching break)//** | ||
| 238 | * **19.1. Marius Cautun (University of Durham)~:// Revealing Local Group mysteries using dwarf galaxies//** | ||
| 239 | * **26.1. Mauri Valtonen (University of Turku): //The host galaxy of the BL Lacertae object OJ287//** | ||
| 240 | * **2.2. Antton Luoma (University of Helsinki): //Parametric studies of galaxy structure and morphology using GALFIT//** | ||
| 241 | * **9.2. Till Sawala (University of Helsinki)~:// The Local Group in Eight Figures//** | ||
| 242 | * **16.2. Göran Maconi (University of Helsinki): //Experimental light scattering by small particles: orientation-controlled 4π//**// levitating scatterometer// | ||
| 243 | * **23.2. Karri Muinonen (University of Helsinki)~:// Light scattering in dense random media of cosmic dust using incoherent interactions//** | ||
| 244 | * **//2.3.// Johannes Markkanen (University of Helsinki): //Numerical solutions for light scattering by cosmic dust and planetary regolith//** | ||
| 245 | * **9.3. //(teaching break)//** | ||
| 246 | * **16.3. Mika Juvela (University of Helsinki)~:// Polarisation observations of an infrared dark cloud//** | ||
| 247 | * **23.3. Rudy Wijnands (University of Amsterdam): //Probing dense matter physics using the cooling of accretion-heated neutron-star crusts//** | ||
| 248 | * **28.3. Lankeswar Dey (University of Turku): //Calculating hereditary contribution to gravitational radiation from eccentric binary black hole in blazar OJ287//** | ||
| 249 | * **30.3. //(good Friday)//** | ||
| 250 | * **6.4 Antti Penttilä (University of Helsinki):** //Multiple scattering modeling pipeline for spectroscopy, polarimetry, and photometry// | ||
| 251 | * **12.4** **David Buckley (South African Astronomical Observatory)~:// "Observing Transients at SAAO and SALT"//** | ||
| 252 | * **13.4 Florent Leclercq (Imperial College London): //Bayesian large-scale structure inference, likelihood-based and likelihood-free approaches//** | ||
| 253 | * **20.4. Jukka Nevalainen (Tartu Observatory)**~:// Finding the missing baryons// | ||
| 254 | * **27.4. Jussi Ahoranta (University of Helsinki): //FUV Guided X-ray studies of WHIM: The evidence in the sight-line towards the quasar 3C273//** | ||
| 255 | * **4.5. Till Sawala (University of Helsinki)~:// The next 8 billion years of the Local Group//** | ||
| 256 | * **11.5.// (teaching break)//** | ||
| 257 | * **25.5. Kirsi Lehto (University of Turku): //Current topics in astrobiology//** | ||
| 258 | * **8.6. Jesús **Escobar-Cerezo (University of Helsinki): //Light scattering: an experimental and computational study of a lunar regolith analog// | ||
| 259 | * **15.6. Guilhem Lavaux (IA Paris): //Non-linear bayesian inference of cosmic fields in SDSS3 and 2M++ and their applications to nearby cosmology//** | ||
| 260 | * **20.6. Thorsten Naab (MPA Garching)~:// High resoluti//on galaxy evolution simulations with feedback from individual stars** | ||
| 261 | |||
| 262 | **Past Program Autumn 2017** | ||
| 263 | |||
| 264 | * **22.8. Stefano Borgani (INAF - Astronomical Observatory of Trieste): **//Understanding Galaxy Clusters with Simulations // | ||
| 265 | * **1.9. Joop Schaye (University of Leiden): **//Simulating the formation of galaxies// | ||
| 266 | * **8.9. Christopher Haines (Osservatorio Astronomico di Brera**): //VIPERS: The decline and fall of the most massive star-forming galaxies since z~~1// | ||
| 267 | * **15.9. Klaudia Kowalczyk (Nicolaus Copernicus Astronomical Center, Warsaw):** //Modelling dwarf spheroidals with Schwarzschild methods// | ||
| 268 | * **29.9. Urs Ganse (University of Helsinki): **//Vlasiator: Simulating the entire Earth's Magnetosphere in Kinetic Physics// | ||
| 269 | * **6.10. Jorma Sakari Harju and Kimmo Lehtinen (University of Helsinki): **//Asteroid occultations of radio galaxies// | ||
| 270 | * **13.10. Lucile Turc (University of Helsinki): **//The outer regions of the near-Earth's space and their role during solar storms// | ||
| 271 | * **20.10. Joonas Nättilä (University of Turku): **//Probing the nuclear physics of neutron stars with astrophysics// | ||
| 272 | * **24.10. Roberto De Propris (University of Turku): **//The New Bulge// | ||
| 273 | * 27.10. **Lauri Siltala (University of Helsinki): **//Asteroid mass estimation with Markov-chain Monte Carlo// | ||
| 274 | * 2.11. **Mordecai Mark Mac Low (Columbia University): **//Formation and Evolution of Giant Molecular Clouds: Gravity or Turbulence?// | ||
| 275 | * 10.11.** Lasse Liljedahl (University of Helsinki): **//The Effects of Supernova Feedback on Disk Galaxy Formation// | ||
| 276 | * 17.11. **Joachim Janz (University of Oulu/ FINCA):** //On the mass-size diagram of early-type galaxies and clues about the origins of low-mass early types// | ||
| 277 | and** Begoña Ascaso (Laboratoire Astroparticule & Cosmologie, Paris):**// Cluster cosmology with Euclid, LSST and J-PAS// | ||
| 278 | * 24.11. **Antti Rantala (University of Helsinki): **//Scouring the core of the early-type galaxy NGC 1600 with a supermassive black hole binary// | ||
| 279 | * 8.12. **Laura Zschaechner (Helsinki / FINCA): Gas Flows in Galaxies Part I//: //**//Emerging Observations and Modeling of Extra-planar Atomic and Molecular Gas in Nearby Galaxies// | ||
| 280 | * 15.12.** Anni Järvenpää (University of Helsinki):**// Mass Estimates of the Local Group// | ||
| 281 | |||
| 282 | **Past Program Spring 2017** | ||
| 283 | |||
| 284 | * 27.1. **Jimit Sanghvi (University of Turku):**//Evolution of low-mass quasars and environments of QSO pairs// | ||
| 285 | * 3.2. **Guilhem Lavaux (Institut d'Astrophysique de Paris): **//Cosmology with the Nearby Universe through full statistical reconstruction of wide galaxy surveys// | ||
| 286 | * 10.2. **Ronald Läsker (University of Turku): **//New aspects of the Black Hole scaling relations// | ||
| 287 | * 17.2.** Mikael Granvik (University of Helsinki):**// Near-Earth asteroids: from sources to sinks// | ||
| 288 | * 24.2. **David Martinez-Delgado (ARI Heidelberg): **//Stellar Tidal Streams in the halos of nearby spiral galaxies// | ||
| 289 | * 3.3. **Akke Viitanen (University of Helsinki): **//The Clustering of Active Galactic Nuclei in the COSMOS field// | ||
| 290 | * 17.3.** Minna Myllys (University of Helsinki): **//Solar Wind-Magnetosphere Coupling Efficiency and Polar Cap Potential Saturation// | ||
| 291 | * 24.3. **Pauli Pihajoki (University of Helsinki):**// Ray-tracing and polarized radiative transfer in General Relativity// | ||
| 292 | * 31.3. **Teemu Willamo (University of Helsinki): **//Magnetic activity of V889 Herculis// | ||
| 293 | * 7.4. **Peter Johansson (University of Helsinki): **//Rapid formation of supermassive black holes in close proximity to embryonic protogalaxies// | ||
| 294 | * 21.4. **Lucien Kuiper (SRON - Netherlands Institute for Space Research): **//The high-energy twilight zone of magnetars and rotation-powered pulsars// | ||
| 295 | * 28.4. **Claudia Maraston (University of Portsmouth)**~:// Stellar population models: from galaxy formation to cosmology// | ||
| 296 | * 5.5. **Wara Chamani (Aalto University): **//Turbulent gas accretion between supermassive black holes and star-forming rings in the circumnuclear disk// | ||
| 297 | * 12.5. **Olivier Ilbert (Laboratoire d'Astrophysique de Marseille): ** //Galaxy stellar mass assembly from deep imaging surveys// | ||
| 298 | * 2.6.** Lauri Jetsu (University of Helsinki): **//General Model for Light Curves of Chromospherically Active Binary Stars// | ||
| 299 | * 19.6.** Xiaoyan Zhou (Earth, Planetary and Space Science, University of California, Los Angeles)**: //Effects of Interplanetary Shocks on the Lunar Wake// | ||
| 300 | |||
| 301 | **Past Program Autumn 2016** | ||
| 302 | |||
| 303 | * 9.9 **Joonas Herranen (University of Helsinki): **Dynamics of Interstellar Dust Particles in Electromagnetic Radiation Fields | ||
| 304 | * 16.9 **Timo Väisänen (University of Helsinki): **Towards a new kind of radiative transfer | ||
| 305 | * 23.9 **Chris Collins (Liverpool John Moores University, UK): **The properties and evolution of Brightest Cluster Galaxies | ||
| 306 | * 30.9 **Maria Gritsevich (University of Helsinki): **The recovery of the Annama meteorite and the Finnish Fireball Network | ||
| 307 | * 7.10 **Mika Juvela (University of Helsinki): **Graphic details of interstellar medium | ||
| 308 | * 14.10 **Till Sawala (University of Helsinki):** Shaken and Stirred: The Milky Way's Dark Substructures | ||
| 309 | * 21.10 **Mike West (Lowell Observatory): **Galaxy Birth, Death and Reincarnation | ||
| 310 | * 28.10 **Mika Saajasto (University of Helsinki):** Correlation of gas dynamics and dust in the Herschel field G82.65-02.00 | ||
| 311 | * 4.11 **Jorma Harju (University of Helsinki): **Nuclear spin ratios as clues to the origin of deuterated ammonia in dense interstellar clouds | ||
| 312 | * 11.11 **Ghassem Gozaliasl (University of Helsinki): **Evolution of the central galaxies in X-ray galaxy groups over 9 billion years | ||
| 313 | * 18.11 **Thomas Hackman (University of Helsinki): **Observing Stellar Dynamos in Action | ||
| 314 | * 25.11 **Antti Rantala (University of Helsinki): **KETJU: Post-Newtonian supermassive black hole dynamics in galaxy simulations | ||
| 315 | * 2.12 **Natalia Lahén (University of Helsinki): **Simulating the fate of the Antennae galaxies | ||
| 316 | * 9.12 **Antti Penttilä (University of Helsinki): **Asteroid phase curve analysis with the H,G1,G2 photometric phase function | ||
| 317 | * 16.12 **Viola Allevato (University of Helsinki): **Clustering properties of AGN at different redshifts, scales and luminosities | ||
| 318 | * 20.12// Extraordinary Seminar //**Evgeniya Petrova (Ural Federal University, Ekaterinburg, Russia): **Texture of Chelyabinsk LL5 meteorite | ||
| 319 | |||
| 320 | ==== Past Program Spring 2016 ==== | ||
| 321 | |||
| 322 | * 11.1 //Extraordinary Seminar //**Daniel Mackowski (Auburn University, Alabama): **Electromagnetic scattering by discretely inhomogeneous, plane parallel media: direct simulation strategies using high performance computing | ||
| 323 | * 15.1 //Extraordinary Seminar //**Bryce Bolin (Observatoire de la Cote d'Azur, Nice, France): **Identifying asteroid family Yarkovsky V-shape | ||
| 324 | * 22.1 **Jyri Lehtinen (University of Helsinki): **Activity of young solar-type stars | ||
| 325 | * 29.1 **Violeta Gonzalez (University of Durham)**: Issues with making galaxies in the computer relatively fast | ||
| 326 | * 5.2 **Pauli Pihajoki (University of Helsinki): **Black hole accretion disc impacts | ||
| 327 | * 12.2 **Graham Smith (University of Birmingham, UK): **Weak-lensing mass calibration of LoCuSS galaxy clusters and implications for "Planck Cosmology" | ||
| 328 | * 19.2 **Mikael Granvik (University of Helsinki):** Super-catastrophic disruption of asteroids at small perihelion distances | ||
| 329 | * 26.2** Peter Johansson (University of Helsinki):** The formation of the first supermasssive black holes in the Universe | ||
| 330 | * 4.3 **Johannes Markkanen (University of Helsinki): **Fast solution for electromagnetic scattering by multiple targets | ||
| 331 | * 11.3 **Teaching Break ** | ||
| 332 | * 18.3 **Tomas Kohout (University of Helsinki)**: ASPECT CubeSat mission to a binary asteroid Didymos | ||
| 333 | * 25.3 **Easter Break** | ||
| 334 | * 1.4 **Lauri Jetsu (University of Helsinki): **[[Shifting Milestones of Natural Sciences: The Ancient Egyptian Discovery of Algol’s Period Confirmed>>url:http://www.helsinki.fi/~~jetsu/seminaari01042016.pdf]] | ||
| 335 | * 8.4** Elisabetta Micelotta (University of Helsinki): **Dust Destruction by the Reverse Shock in the Cassiopeia A Supernova Remnant | ||
| 336 | * 15.4 **Lauri Siltala (University of Helsinki): **Asteroid mass estimation using Markov Chain Monte Carlo techniques | ||
| 337 | * 22.4 **Guilhem Lavaux (Institut d'Astrophysique de Paris): **New statistical methods in the analysis of the dynamics of Large Scale Structures | ||
| 338 | * 29.4 ** Julien Moreau (University of Helsinki): **Shock-darkening in ordinary chondrites: Insight to numerical modelling and what it can tell us | ||
| 339 | * 6.5 ** Ascension Day Break** | ||
| 340 | * 13.5 **Jesús Escobar-Cerezo (Instituto de Astrofísica de Andalucía, Granada, Spain): **Light scattered by dust particles in the solar system: an experimental and computational approach | ||
| 341 | * 1.6 ** Noelia Jimenez (University of St. Andrews, UK)**: Why galaxies care about Supernovae Type Ia? | ||
| 342 | * 3.6 ** Deborah Domingue Lorin (Planetary Science Institute, Tucson):** Photometry of Mercury's surface: Perspectives from the Camera and Spectrometer on Board MESSENGER | ||
| 343 | |||
| 344 | ==== Past Program Autumn 2015 ==== | ||
| 345 | |||
| 346 | * 4.9 **Craig Sarazin (University of Virginia): **Mergers, Shocks, and the Dynamical State of Clusters of Galaxies | ||
| 347 | * 11.9 **Jussi Väliviita (University of Helsinki)**: Does dark energy decay to dark matter? | ||
| 348 | * 16.9 //Extraordinary Seminar// **Seshadri Nadathur** **(University of Helsinki)**: The nature of voids: simulations, theory, and use in cosmology | ||
| 349 | * 18.9 Astronomy Seminar moved to 16.10 | ||
| 350 | * 25.9 **Seppo Mikkola (University of Turku): **Regularisation of Few-Body Dynamics | ||
| 351 | * 2.10** Takayuki Tamura( ISAS/JAXA, Japan): **X-ray spectroscopy of galaxy clusters with Suzaku and future ASTRO-H | ||
| 352 | * 9.10 **Bo Reipurth (University of Hawaii): **The Dynamical Evolution of Newborn Triple Systems | ||
| 353 | * 16.10 **Karri Muinonen (University of Helsinki)**: Asteroid light curve inversion with Lommel-Seeliger ellipsoids | ||
| 354 | * 23.10 **Adam Muzzin (University of Cambridge): **The Formation of Galaxy Clusters and the Evolution of Their Galaxies at 0 < z < 2 | ||
| 355 | * 30.10 No Astronomy Seminar | ||
| 356 | * 6.11 ** Nigul Olspert (Aalto University)**: Time series analysis of solar and stellar data. Case study: young solar analogue LQ Hya | ||
| 357 | * 13.11** Mika Juvela (University of Helsinki): **Dust in the Milky Way | ||
| 358 | * 20.11 **Brian Mazur (University of Toledo): **Star Formation in Orion: Wide, Young Binaries | ||
| 359 | * 27.11 **Mika Saajasto (University of Helsinki)**: Studentships at the Nordic Optical Telescope | ||
| 360 | * 4.12 ** Till Sawala (University of Helsinki)**: The APOSTLE simulations: solutions to the Local Group's cosmic puzzles | ||
| 361 | * 8.12 ** **//Extraordinary seminar//** Massimiliano Bonamente: **Detection of a possible WHIM filament towards PG 1116+215 with Chandra and HST | ||
| 362 | * 11.12 **Joonas Uusitalo (University of Helsinki)**: The AD 775 radiocarbon anomaly - Caused by a solar flare | ||
| 363 | |||
| 364 | ==== Past Program Spring 2015 ==== | ||
| 365 | |||
| 366 | * 16.1 **Olli Wilkman: **Lightcurve simulations for non-convex asteroids | ||
| 367 | * 23.1 **Aleksi Vuorinen: **Constraining neutron star matter with QCD | ||
| 368 | * 30.1 **John Regan:** Simulations of the Universe | ||
| 369 | * 6.2 ** Elizabeth Cole: **Magnetic Activity of LQ Hya | ||
| 370 | * 13.2** Ghassam Gozaliasl: **Evolution of the central galaxies in X-ray galaxy groups | ||
| 371 | * 20.2 **Talvikki Hovatta** (Metsähovi Radio Observatory): Magnetic fields in blazar jets | ||
| 372 | * 26.2 Extraordinary Seminar **Martin Pessah: **On the Dynamics of Helium in the Dilute Intracluster Medium** ** | ||
| 373 | * 27.2 **Ronan Rochford**: DYMPHNA3D: An introduction into the world of Pulsars | ||
| 374 | * 6.3 **Teaching Break** | ||
| 375 | * 20.3 **Jussi Väliviita: **Planck satellite and its cosmology results **CANCELLED** | ||
| 376 | * 26.3** **Extraordinary Seminar** Till Sawala: **Local Group Galaxies Emerge from the Dark | ||
| 377 | * 27.3 **Sebastien Muller: **PKS1830-211: the molecular absorption at z=0.89 and the background blazar** ** | ||
| 378 | * 3.4 **Easter Break** | ||
| 379 | * 10.4 ** Jussi Ahoranta:** High resolution X-ray analysis of ICM at core regions of NGC 4636 galaxy group | ||
| 380 | * 17.4 ** Erika Palmerio: **Fine Structures in Coronal Mass Ejection-driven Sheath Regions | ||
| 381 | * 24.4 **Natalia Lahén**: Equal-mass Galaxy Mergers: Initial Conditions and Subresolution Astrophysics | ||
| 382 | * 29.4 **Daniel Mege: **The Planetary Highland Terrain Hopper: An all-terrain fractionated Solar System explorer | ||
| 383 | * 12.6 Extraordinary Seminar **Dagmara Oszkiewicz:** Traces of differentiation in the Flora region | ||
| 384 | |||
| 385 | ==== Past Program Autumn 2014 ==== | ||
| 386 | |||
| 387 | * 9.9 **Ciro Pinto: **Turbulence in clusters of galaxies as revealed by X-ray spectroscopy | ||
| 388 | * 12.9 **Felicia Ziparo: **The role of the environment in the evolution of star formation | ||
| 389 | * 17.9 **Karel Nel:** Drawing the Unimaginable, COSMOS | ||
| 390 | * 19.9 **Mika Juvela: **Star forming clouds in the Milky Way - observations from near-infrared to millimetre wavelengths.** ** | ||
| 391 | * 26.9** Thomas Hackman: **Stellar spot activity - methods and results | ||
| 392 | * 3.10 **Jan Snellman: **Relaxation-type second-order closure models in astrophysical hydrodynamics | ||
| 393 | * 10.10 **Clif Kirkpatrick: **Hot Outflows in Galaxy Clusters | ||
| 394 | * 17.10 **Julia Martikainen: **Meteorite spectrometry using the University of Helsinki Vis-SWIR spectrometer | ||
| 395 | * 31.10 **Simon Karl:** Accurate dynamics around supermassive black holes with the hybrid tree-code "rVine" | ||
| 396 | * 4.11 **Petri Väisänen (note Tuesday): **SUNBIRD/SALT: Young massive star clusters and superwinds in strongly star-forming galaxies | ||
| 397 | * 14.11 **Pauli Pihajoki: **Simulating the orbital dynamics of multiple black hole systems | ||
| 398 | * 21.11 ** Kimmo Kettula: **Weak lensing mass calibration of galaxy groups and low mass clusters in the COSMOS and CFHTLS fields | ||
| 399 | * 28.11 ** Karri Muinonen: **Coherent Backscattering by Particulate Media of Nonspherical Particles | ||
| 400 | * 5.12 **No Seminar: **Graduate school event | ||
| 401 | * 12.12 **Olli Sipilä: **H2D+ observations give an age of at least one million years for a cloud core forming Sun-like stars ** ** | ||
| 402 | |||
| 403 | ---- | ||
| 404 | |||
| 405 | ==== Past Program Spring 2014 ==== | ||
| 406 | |||
| 407 | * 17.1 **Anton Baushev: **The real and apparent convergence of N-body simulations of the dark matter structures: is the Navarro-Frenk-White profile real? | ||
| 408 | * 24.1 **John Regan: **Danger! Simulating the Collapse of Early Massive Black Holes. | ||
| 409 | * 31.1 **Anne Virkki: **Planetary radar research at the Arecibo Observatory | ||
| 410 | * 7.2** Grigori Fedorets: **Spin and shape analyses for the slowly rotating asteroid (39420) 2084 T-2 | ||
| 411 | * 14.2 **Mika Juvela: **C3PO strikes back - progress report on the project Galactic Cold Cores | ||
| 412 | * 21.2 **Jyri Lehtinen: **Time series observations of active stars | ||
| 413 | * 28.2 **Mika Saajasto: **Probing the properties of interstellar dust with infrared light scattering ** ** | ||
| 414 | * 7.3 Extraordinary Seminar** ** **Alberto Cellino: **Physical properties of Asteroids** ** | ||
| 415 | * 14.3 **Murray Brightman: **Compton thick AGN in the distant Universe** ** | ||
| 416 | * 21.3 **Antti Rantala:** Cosmological Zoom-in Initial Conditions and the Formation of Galaxies | ||
| 417 | * 28.3 ** Artem Kupri: **Strong lensing as a test of the vacuum energy density in the Lambda-CDM model | ||
| 418 | * 4.4 **Kimmo Kiiveri: **Simulating Planck data - CMB timeline-to-map Monte Carlo simulations and beam window functions | ||
| 419 | * 11.4 **Johanna Malinen: **Interstellar medium and initial stages of star formation: comparing simulations and observations | ||
| 420 | * 18.4 ** Easter break ~-~-No seminar** ** ** | ||
| 421 | * 25.4 **Jussi Aaltonen:** Searching for dark matter in clusters of galaxies | ||
| 422 | * 30.4 ** Bodo Ziegler: **The busy life of the cluster complex RXJ1347-11 | ||
| 423 | |||
| 424 | ==== Past Program Autumn 2013 ==== | ||
| 425 | |||
| 426 | * 6.9 ** ** **Peter Johansson: **Modelling supermassive black holes in galaxy simulations | ||
| 427 | * 13.9 **Jorma Harju:** Observations and models of the evolution of prestellar cores | ||
| 428 | * 20.9 **Kimmo Kettula: **Weak lensing calibration of scaling relations in galaxy groups. | ||
| 429 | * 27.9** Oskari Miettinen: **A MALT90 study of the chemical properties of massive IRDC clumps | ||
| 430 | * 4.10 **Jörn Warnecke: **Bipolar magnetic structures driven by stratified turbulence with a coronal envelope | ||
| 431 | * 11.10 **Emilia Järvelä: **Multifrequency study of radio-loud Narrow-line Seyfert 1 galaxies: A search for spirals launching relativistic jets | ||
| 432 | * 18.10 **Ghassem Gozaliasl: **Evolution of the luminosity gap in X-ray galaxy groups from CFHTLS-XMM field | ||
| 433 | * 25.10 **Bidya Binay Karak: **Role of meridional circulation in modeling the solar cycle using the flux transport dynamo model | ||
| 434 | * 1.11 **Lauri Jetsu: **Did the ancient egyptians record the period of the eclipsing binary Algol - The raging one? | ||
| 435 | * 8.11 **Emily Freeland: **Intergalactic Gas in Groups of Galaxies: Implications for Dwarf Spheroidal Formation and The Missing Baryons Problem | ||
| 436 | * 15.11 ** Anne Lähteenmäki: **Multifrequency studies of active galactic nuclei | ||
| 437 | * 22.11 **Mikael Granvik: **Life and death of the Chelyabinsk asteroid | ||
| 438 | * 29.11 **Karri Muinonen:** Gaia - an ultraprecise survey of our Galaxy | ||
| 439 | * 6.12 ** Finnish Independence Day ~-~- No seminar** | ||
| 440 | * 13.12 **Miikka Väisälä: **High-resolution ammonia mapping of the very young protostellar core Chamaeleon-MMS1 | ||
| 441 | * 18.12 **Tom Millar:** Complex Molecule Formation in Protoplanetary Disks | ||
| 442 | |||
| 443 | ==== Past Program Spring 2013 ==== | ||
| 444 | |||
| 445 | * 18.1 ** Petri Käpylä: **United approach to investigating stellar magnetic activity | ||
| 446 | * 25.1 **Francesco Miniati: **Generation of Magnetic Field in Cosmic Structure | ||
| 447 | * 1.2 **Lauri Haikala:** The European Extremely Large Telescope (E-ELT) | ||
| 448 | * 7.2** ** **Alana Rivera: **Searching for Clues in High-Mass Star Formation //(Note Thursday) // | ||
| 449 | * 15.2 **Mikael Granvik: **Constraints for the formation and evolution of planetary systems with the Large Synoptic Survey Telescope | ||
| 450 | * 22.2 **Shinsuke Abe: **Hayabusa-2; Sample return mission of a C-type asteroid (162173) 1999 JU3 | ||
| 451 | * 28.2 **Patricia Spinelli:** Weak lensing analysis of galaxy systems //(Note Thursday)// | ||
| 452 | * 7.3 **Masayuki Tanaka**: High redshift groups of galaxies //(Note Thursday)// | ||
| 453 | * 8.3 **Eva Schinnerer: **The relation between ISM and star formation on cloud-scales - New insights from the Whirlpool galaxy | ||
| 454 | * 22.3 **Olli Sipilä: **HD depletion in starless cores | ||
| 455 | * 26.3 **Toshifumi Futamase:** A new approximation for the non-linear DM power spectrum beyond BAO scales //(Note Tuesday)// | ||
| 456 | * 29.3 **Easter break ~-~-No seminar** | ||
| 457 | * 5.4 **Sébastien Comerón**: A deeper look on thick discs using data from the Spitzer Survey of Stellar Structure in Galaxies (S4G) | ||
| 458 | * 12.4 **Hanna Pentikäinen: **Laboratory spectrometry of meteorite samples at visible to near-infrared wavelengths | ||
| 459 | * 19.4 **Kyösti Ryynänen: **Life out of chaos | ||
| 460 | * 26.4 **Viola Allevato: **Halo occupation of X-ray AGN in the COSMOS field | ||
| 461 | * 3.5 **Shaun Hotchkiss:** The (misbehaving) integrated Sachs Wolfe effect from "superstructures" | ||
| 462 | |||
| 463 | ==== Past Program: Autumn 2012 ==== | ||
| 464 | |||
| 465 | * 7.9 ** Maarit Mantere:** Solar and stellar cycles: observations and MHD modelling | ||
| 466 | * 14.9 **Heidi Yli-Kankahila:** Formation of Early-type Galaxies through mergers of gas-rich disk galaxies | ||
| 467 | * 21.9 **Elizabeth Cole:** Doppler Imaging of LQ Hydrae | ||
| 468 | * 28.9 **Karri Muinonen:** Scattering of electromagnetic waves by Solar System objects: from the first principles to the new asteroid magnitude system | ||
| 469 | * 5.10 **Olli Wilkman:** Asteroid lightcurve phase shift from rough-surface shadowing | ||
| 470 | * 12.10 **Mika Juvela:** Update on the project Galactic Cold Cores | ||
| 471 | * 19.10 **John Regan:** Simulations of the Formation and Evolution of Super Massive Black Holes | ||
| 472 | * 26.10 **Teaching break ~-~-** **No seminar** | ||
| 473 | * 1.11 **Alexis Finoguenov:** COnstrain Dark Energy with X-ray (CODEX) clusters. **Colloqium talk, note the unsual time. ** | ||
| 474 | * 9.11 **Minja Mäkelä:** Structure and star formation in cometary globules: NIR observations of CG1 and CG2 | ||
| 475 | * 16.11 **Jorma Harju:** Observational tests for the chemistry and dynamical evolution of prestellar cores | ||
| 476 | * 23.11 **Tuomas Lunttila:** Radiative transfer modelling of interstellar clouds | ||
| 477 | * 30.11 **Andi Hektor:** Dark side of the Universe: enlightenment through gamma-rays | ||
| 478 | * 7.12 Thursday (6.12) is Finnish Independence Day **~-~- No seminar** | ||
| 479 | * 14.12 **Ghassem Gozaliasl:** Understanding the evolution of structure in the Universe with help of galaxy groups | ||
| 480 | |||
| 481 | ==== Past Program: Spring 2012 ==== | ||
| 482 | |||
| 483 | * 16.1 **Karri Muinonen:** Asteroid orbital inversion using a virtual-observation Markov-chain Monte Carlo method | ||
| 484 | * 20.1 **Maarit Mantere:** "Alternative interpretation of starspots" | ||
| 485 | * 23.1 **Hannakaisa Lindqvist:** Stereophotogrammetry: a new way of modeling light scattering by mineral dust | ||
| 486 | * 27.1 **Mika Juvela:** "Herschel observations of cold interstellar clouds detected by Planck" | ||
| 487 | * 30.1 **Mikael Granvik:** Building near-Earth-object population models with data from CSS and NEOSSat | ||
| 488 | * 3.2 **Julien Montillaud:** "Between molecules and solid state: Interstellar PAHs and Very Small Grains" | ||
| 489 | * 6.2 **Tomas Kohout:** Magnetic susceptibility meter for asteroid regolith composition studies | ||
| 490 | * 10.2 **Matts Roos:** "Some recent astrophysics issues" | ||
| 491 | * 13.2 ** Victor Solea:** An MC-MC approach to periodicity determination of variable stars | ||
| 492 | * 17.2 **Thomas Hackman:** "Stellar spot activity - some recent results" | ||
| 493 | * 24.2 **Roberto De Propris:** "Galaxy Mergers" | ||
| 494 | * 27.2 **Lauri Pesonen:** Meteorite Impact Cratering - Geophysical Aspects | ||
| 495 | * 2.3 **Oskari Miettinen:** "Infrared dark clouds - A case study of the filamentary IRDC G304.74+01.32" | ||
| 496 | * 5.3 **Dagmara Oszkiewicz:** Differentiated asteroid families - the missing link to the history of our Solar System | ||
| 497 | * 9.3 **Teaching break ~-~-** No seminar | ||
| 498 | * 12.3 **Jani Tyynelä:** Applicability of the Rayleigh-Gans approximation for snowflakes at microwave frequencies | ||
| 499 | * 16.3 **Jan Snellman:** Some new results on hydrodynamical closure models | ||
| 500 | * 19.3 **Anne Virkki:** Circular polarization ratio for aggregates of spherical particles | ||
| 501 | * 23.3 **Olli Sipilä:** Chemical and physical modeling of prestellar cores | ||
| 502 | * 29.3. **Mark Rawlings:** "The current status of ALMA" (13:15 in D116) | ||
| 503 | * 30.3 **Tuomas Lunttila:** "Dust radiative transfer using hierarchical grids" | ||
| 504 | * 6.4 **Easter break:** No seminar | ||
| 505 | * 13.4 **Paula Kyyrö:** "The density profile and fragmentation of Taurus Molecular Cloud-1" | ||
| 506 | * 16.4 **Evgenij Zubko:** Light scattering by cometary dust: Large-particle contribution | ||
| 507 | * 20.4 **Anna Parikka:** "The physical and chemical state of cold dust cores mapped with Herschel" | ||
| 508 | * 23.4 **Maria Gritsevich:** How to catch a shooting star: Fireballs producing meteorites | ||
| 509 | * 27.4 **Victor Solea:** "Long-term photometric analysis of a chromospherically active variable star" | ||
| 510 | * 4.5 **Hannu Kurki-Suonio:** "Euclid - the next cosmology mission" | ||
| 511 | * 30.5.** Douglas Whittet:** "Methanol in interstellar ices" | ||
| 512 | * 30.5 **Emily Hardegree-Ullman:** "Chemical and Physical Conditions of the core SL42 in the Corona Australis Molecular Cloud" | ||
| 513 | * 1.6. **Thorsten Naab:** "Modelling the Antennae Galaxies" |