GK
G. Kordopatis
astro-ph.GAastro-ph.SRastro-ph.IMastro-ph.COastro-ph.EPastro-ph.HEhep-ph
On Valency
published · living versionsW_mkdvkpre·v1 · currentpublished
Gaia Early Data Release 3: The celestial reference frame (Gaia-CRF3)
with Gaia Collaboration, S. A. Klioner, L. Lindegren, F. Mignard +446
1 version
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Preprints & journals
176 papers in the corpus · 2011–2026The Pristine survey XXIX. Data Release 2: Photometric metallicities for 15 millions stars down to 2610.20714v1 · Zhen Yuan, Anke Ardern-Arentsen, Nicolas F. Martin et al.2026 · 0 citationsarXiv
HRMOS: A High-Resolution Multi-Object Spectrograph for the VLT2607.04916v1 · Laura Magrini, Thomas Bensby, Sofia Randich et al.2026 · 0 citationsarXiv
Stellar masses and ages in Gaia Data Release 4 from the Final Luminosity Age Mass Estimator algorithm2607.00264v1 · Orlagh L. Creevey, Laia Casamiquela, Yveline Lebreton et al.2026 · 0 citationsarXiv
Reassessing the low- massive sequence stars in Gaia RVS2606.11165v1 · G. Nandakumar, G. Kordopatis, M. Schultheis et al.2026 · 0 citationsarXiv
The primordial nature of the C-19 stellar stream2603.02445v1 · Kim A. Venn, Zhen Yuan, Nicolas F. Martin et al.2026 · 0 citationsarXiv
Milky Way disc & Bulge in situ populations: ESO white paper - Expanding horizons call2512.15812v1 · M. Bergemann, G. Kordopatis, G. Casali et al.2025 · 0 citationsarXiv
Observational constraints on the origin of the elements. X. Combining NLTE and machine learning for chemical diagnostics of 4 million stars in the 4MIDABLE-HR survey2512.15888v2 · Nicholas Storm, Maria Bergemann, Tomasz R'oża'nski et al.2025 · 0 citationsarXiv
Mapping the Ages of Stars with Chemistry2512.13145v1 · Carlos Viscasillas V'azquez, Giada Casali, Laura Magrini et al.2025 · 0 citationsarXiv
Supergiant GCIRS 22 in the Milky Way Nuclear Star Cluster: Revised alpha abundances2509.20075v1 · B. Thorsbro, S. Khalidy, R. M. Rich et al.2025 · 0 citationsA&A 704, A62 (2025)
First large scale spatial and velocity patterns of local metal-rich stars in the Milky Way2509.17420v1 · Georges Kordopatis, Diane Feuillet, Christian Lehmann et al.2025 · 1 citationA&A 703, A151 (2025)
A Pristine-UNIONS view on the Galaxy: Kinematics of the distant spur feature of the Sagittarius stream traced by Blue Horizontal Branch stars2502.17319v1 · M. Bayer, E. Starkenburg, G. F. Thomas et al.2025 · 7 citationsA&A 701, A117 (2025)
The Pristine survey: XXVII. The extremely metal-poor stream C-19 stretches over more than 100 degrees2502.09710v4 · Zhen Yuan, Tadafumi Matsuno, Tatyana Sitnova et al.2025 · 5 citationsA&A 698, A82 (2025)
Bar-spiral interaction produces radial migration and star formation bursts2502.02651v1 · L'ea Marques, Ivan Minchev, Bridget Ratcliffe et al.2025 · 8 citationsA&A 701, A88 (2025)
The Pristine survey. XXVI. Chemical abundances of subgiant stars of the extremelymetal-poor stream C-192412.20776v1 · P. Bonifacio (GEPI), E. Caffau, P. Francois (GEPI) et al.2024 · 2 citationsarXiv
Chemical Abundances in the Nuclear Star Cluster of the Milky Way: alpha-Element Trends and Their Similarities with the Inner Bulge2412.04528v1 · N. Ryde, G. Nandakumar, M. Schultheis et al.2024 · 12 citationsarXiv
New stellar age estimates using SPInS based on Gaia DR3 photometry and LAMOST DR8 abundances2410.15781v1 · L. Casamiquela, D. R. Reese, Y. Lebreton et al.2024 · 6 citationsA&A 692, A243 (2024)
An ancient system hidden in the Galactic plane?2409.13813v3 · Federico Sestito, Emma Fernandez-Alvar, Rebecca Brooks et al.2024 · 0 citationsMon Not R Astron Soc (2026)
The Pristine survey XXIV: The Galactic underdogs -- Dynamic tales of a Milky Way metal-poor population2406.05728v3 · Isaure Gonz'alez Rivera de La Vernhe, Vanessa Hill, Georges Kordopatis et al.2024 · 0 citationsarXiv
Probing the strength of radial migration via churning by using metal-rich red giant stars from APOGEE2405.19089v2 · Christian Lehmann, Sofia Feltzing, Diane Feuillet et al.2024 · 8 citationsarXiv
A Wide Metallicity Range for Gyr-old Stars in the Nuclear Star Cluster2404.19628v1 · Brian Thorsbro, Rebecca Forsberg, Georges Kordopatis et al.2024 · 6 citationsApJL 958 L18 (2023)
The Pristine Inner Galaxy Survey (PIGS) IX. The largest detailed chemical analysis of very metal-poor stars in the Sagittarius dwarf galaxy2405.00096v2 · Federico Sestito, Sara Vitali, Paula Jofre et al.2024 · 12 citationsA&A 689, A201 (2024)
Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry2404.10486v2 · P. Panuzzo, T. Mazeh, F. Arenou et al.2024 · 139 citationsarXiv
SpectroTranslator: a deep-neural network algorithm to homogenize spectroscopic parameters2404.02578v1 · G. F. Thomas, G. Battaglia, F. Gran et al.2024 · 10 citationsA&A 690, A54 (2024)
The Wide-field Spectroscopic Telescope (WST) Science White Paper2403.05398v2 · Vincenzo Mainieri, Richard I. Anderson, Jarle Brinchmann et al.2024 · 15 citationsarXiv
On the metal-poor edge of the Milky Way "thin disc"2402.02943v1 · Emma Fern'andez-Alvar, Georges Kordopatis, Vanessa Hill et al.2024 · 15 citationsA&A 685, A151 (2024)
Exploring the impact of a rapidly decelerating bar on transforming bulge orbits into disc-like orbits2311.15270v3 · Chengdong Li, Zhen Yuan, Giacomo Monari et al.2023 · 12 citationsA&A 690, A26 (2024)
Could very low-metallicity stars with rotation-dominated orbits have been shepherded by the bar?2311.08464v1 · Zhen Yuan, Chengdong Li, Nicolas F. Martin et al.2023 · 12 citationsA&A 691, L1 (2024)
The treasure behind the haystack: MUSE analysis of five recently discovered globular clusters2310.09868v1 · F. Gran, G. Kordopatis, M. Zoccali et al.2023 · 6 citationsarXiv
Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars2310.06295v1 · A. Krone-Martins, C. Ducourant, L. Galluccio et al.2023 · 7 citationsA&A 685, A130 (2024)
Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri2310.06551v2 · K. Weingrill, A. Mints, J. Castaneda et al.2023 · 17 citationsA&A 680, A35 (2023)
Gaia Focused Product Release: Radial velocity time series of long-period variables2310.06051v1 · M. Trabucchi, N. Mowlavi, T. Lebzelter et al.2023 · 23 citationsarXiv
Gaia Focused Product Release: Spatial distribution of two diffuse interstellar bands2310.06175v2 · M. Schultheis, H. Zhao, T. Zwitter et al.2023 · 9 citationsarXiv
Dead man tells tales: metallicity distribution of the Milky Way stellar halo reveals the past of the GSE progenitor galaxy2310.05287v1 · Sergey Khoperskov, Ivan Minchev, Matthias Steinmetz et al.2023 · 4 citationsarXiv
Gaia's brightest very metal-poor (VMP) stars. Metallicity catalogue of a thousand VMP stars from Gaia's radial velocity spectrometer spectra2309.06137v2 · Akshara Viswanathan, Else Starkenburg, Tadafumi Matsuno et al.2023 · 16 citationsA&A 683, L11 (2024)
The Pristine survey -- XXIII. Data Release 1 and an all-sky metallicity catalogue based on Gaia DR3 BP/RP spectro-photometry2308.01344v2 · Nicolas F. Martin, Else Starkenburg, Zhen Yuan et al.2023 · 53 citationsA&A 692, A115 (2024)
Automatic line selection for abundance determination in large stellar spectroscopic surveys2302.11907v1 · Georges Kordopatis, Vanessa Hill, Karin Lind2023 · 7 citationsA&A 674, A104 (2023)
The wide-field, multiplexed, spectroscopic facility WEAVE: Survey design, overview, and simulated implementation2212.03981v2 · Shoko Jin, Scott C. Trager, Gavin B. Dalton et al.2022 · 221 citationsarXiv
The Pristine Inner Galaxy Survey (PIGS) VI: Different vertical distributions between two DIBs at 442.8 nm and 862.1 nm2211.15224v1 · He Zhao, Mathias Schultheis, Anke Arentsen et al.2022 · 3 citationsarXiv
Ultracool dwarfs in Gaia DR32211.03641v3 · L.M. Sarro, A. Berihuete, R.L. Smart et al.2022 · 19 citationsA&A 669, A139 (2023)
The Pristine Inner Galaxy Survey (PIGS) V: a chemo-dynamical investigation of the early assembly of the Milky Way with the most metal-poor stars in the bulge2208.13791v2 · Federico Sestito, Kim A. Venn, Anke Arentsen et al.2022 · 32 citationsProc. IAU 18 (2022) 102-106
The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products2208.05432v1 · G. Gilmore, S. Randich, C. C. Worley et al.2022 · 136 citationsA&A 666, A120 (2022)
Gaia Data Release 3: Summary of the content and survey properties2208.00211v1 · A. Vallenari, A.G.A. Brown, T. Prusti et al.2022 · 4,320 citationsarXivon Valency
The cerium content of the Milky Way as revealed by Gaia DR3 GSP-Spec abundances2207.05368v2 · G. Contursi, P. de Laverny, A. Recio-Blanco et al.2022 · 21 citationsarXiv
The chemical signature of the Galactic spiral arms revealed by Gaia DR32206.14849v2 · E. Poggio, A. Recio-Blanco, P. A. Palicio et al.2022 · 41 citationsA&A 666, L4 (2022)
Gaia Data Release 3: Reflectance spectra of Solar System small bodies2206.12174v1 · L. Galluccio, M. Delbo, F. De Angeli et al.2022 · 5 citationsarXiv
Solid confirmation of the broad DIB around 864.8 nm using stacked Gaia-RVS spectra2206.12237v2 · H. Zhao, M. Schultheis, T. Zwitter et al.2022 · 4 citationsA&A 666, L12 (2022)
Beyond the two-infall model I. Indications for a recent gas infall with Gaia DR3 chemical abundances2206.12436v2 · E. Spitoni, A. Recio-Blanco, P. de Laverny et al.2022 · 48 citationsA&A 670, A109 (2023)
Stellar ages, masses, extinctions and orbital parameters based on spectroscopic parameters of Gaia DR32206.07937v1 · G. Kordopatis, M. Schultheis, P. J. McMillan et al.2022 · 58 citationsA&A 669, A104 (2023)
Gaia DR3: Apsis III -- Non-stellar content and source classification2206.06710v2 · L. Delchambre, C.A.L. Bailer-Jones, I. Bellas-Velidis et al.2022 · 83 citationsA&A 674, A31 (2023)
Gaia Data Release 3: Astrophysical parameters inference system (Apsis) I -- methods and content overview2206.05864v1 · O.L. Creevey, R. Sordo, F. Pailler et al.2022 · 231 citationsA&A 674, A26 (2023)on Valency
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