Sergey Koposov
University of Edinburgh, Carnegie Mellon University, Ruprecht Karls Universität Heidelberg Fakultät für Physik und Astronomie, Lomonosov Moscow State University
Research areas: Physics and Astronomy · Astronomy and Astrophysics · Stellar, planetary, and galactic studies · Galaxies: Formation, Evolution, Phenomena · Astronomy and Astrophysical Research
0000-0003-2644-135X
About
I graduated from the Physics/Astronomy department of Moscow State University in 2006. After that, I pursued my PhD at the University of Heidelberg under the supervision of Prof. Hans-Walter Rix. I defended my thesis on 'Understanding the Milky Way Halo through Large Surveys' in 2009. Following that, I joined the Institute of Astronomy at the University of Cambridge as a research associate. In 2016, I was awarded the Ernest Rutherford Fellowship to continue my work in Cambridge. Subsequently, in 2017, I moved to Carnegie Mellon University in Pittsburgh, USA, where I served as an assistant professor at the McWilliams Center for Cosmology. I was promoted to associate professor in 2020. During the same year, I moved to the Institute for Astronomy at the University of Edinburgh as a Reader in Observational Astronomy. In 2024, I was promoted to Professor and a personal Chair of Astronomy. Additionally, I hold the title of Affiliated Lecturer at the Institute of Astronomy, University of Cambridge.
Employment
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University of Edinburgh Professor, Personal Chair of Astronomy2024 - Present
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The University of Edinburgh Reader in Observational Astronomy2020 - 2024
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Carnegie Mellon University Assistant professor2017 - 2020
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University of Cambridge Institute of Astronomy Ernest Rutherford fellow2016 - 2017
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University of Cambridge Institute of Astronomy Senior Research Associate2009 - 2016
Education
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Ruprecht Karls Universität Heidelberg Fakultät für Physik und Astronomie PhD2006 - 2009
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Moscow State University Master2000 - 2006
Projects & Funding
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Seeing Dark with Light: Revealing the Milky Way with Stellar Streams Australian Research Council2022 - 2024
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Collaborative Research: Finding the Double Sunsets - Stellar Multiplicity Across the Milky Way Halo Directorate for Mathematical & Physical Sciences2019 - 2022
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Collaborative Research: Dark Matter and Substructure in the Galactic Halo with Gaia and Multi-Object Spectroscopy Directorate for Mathematical & Physical Sciences2018 - 2021
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Testing the cold dark matter paradigm with dwarf galaxies and stellar streams in Gaia and LSST Science and Technology Facilities Council2016 - 2021
Publications (356)
- Planetary Accretion Is Less Frequent in Wide Binaries: Evidence from Metal-enriched White Dwarfs in DESI DR1 Save
- Joint Modeling of GD-1 and C-19 as Old Streams Save
- S 5: Tidal Disruption in Crater 2 and Formation of Diffuse Dwarf Galaxies in the Local Group Save
- The DESI Y1 RR Lyrae Catalog. I. Empirical Modeling of the Cyclic Variation of Spectroscopic Properties and a Chemodynamical Analysis of the Outer Halo Save
- The DESI Y1 RR Lyrae Catalog. II. The Metallicity Dependency of Pulsational Properties, the Shape of the RR Lyrae Instability Strip, and Metal Rich RR Lyrae Save
- Neighbors, not kin: Kinematic evidence of tidal tails from NGC 7492 along the Sagittarius stream Save
- CORRECTION - DESI Data Release 1: Stellar Catalogue Save
- The IMF Package: A Toolkit Implementing Mass Functions and Statistical Tools to Analyze Them Save
- Orbital migration and heating history of the Galactic disc: a transition between the bimodal discs Save
- Disentangling the Distant Stellar Halo Using K Giants in DESI Year 3 Data Save
- The realm of Aurora. Density distribution of metal-poor giants in the heart of the Galaxy Save
- The Kinematically Hot, Extremely Metal-poor C-19 Stellar Stream in DESI DR2 Save
- Constraining the population of dark matter halo shapes using hierarchical inference with extragalactic stellar streams Save
- The Velocity Field of Our Milky Way Outer Stellar Halo Based on DESI DR2 Save
- The Backup Program of the Dark Energy Spectroscopic Instrument’s Milky Way Survey Save
- Signatures of a Tidally Induced Spiral Arm at the Anticenter of the Milky Way and a Kinematically Extended Anticenter Stream Using DESI Data Release 2 Save
- Data Release 1 of the Dark Energy Spectroscopic Instrument Save
- Discovery of Galactic-centre-ejected star in DESI DR1 Save
- Sifting for a Stream: The Morphology of the 300 S Stellar Stream Save
- DESI Strong Lens Foundry. III. Keck Spectroscopy for Strong Lenses Discovered Using Residual Neural Networks Save