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The population of hot subdwarf stars studied with Gaia

  • In light of substantial new discoveries of hot subdwarfs by ongoing spectroscopic surveys and the availability of new all-sky data from ground-based photometric surveys and the Gaia mission Data Release 2, we compiled an updated catalogue of the known hot subdwarf stars. The catalogue contains 5874 unique sources including 528 previously unknown hot subdwarfs and provides multi-band photometry, astrometry from Gaia, and classifications based on spectroscopy and colours. This new catalogue provides atmospheric parameters of 2187 stars and radial velocities of 2790 stars from the literature. Using colour, absolute magnitude, and reduced proper motion criteria, we identified 268 previously misclassified objects, most of which are less luminous white dwarfs or more luminous blue horizontal branch and main-sequence stars.

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Author details:Stephan GeierORCiDGND
DOI:https://doi.org/10.1051/0004-6361/202037526
ISSN:0004-6361
ISSN:1432-0746
Title of parent work (English):Astronomy and astrophysics : an international weekly journal
Subtitle (English):III. catalogue of known hot subdwarf stars : data release
Publisher:EDP Sciences
Place of publishing:Les Ulis
Publication type:Article
Language:English
Date of first publication:2020/04/02
Publication year:2020
Release date:2023/02/01
Tag:catalogs; stars: horizontal-branch; subdwarfs
Volume:635
Article number:A193
Number of pages:7
Funding institution:Heisenberg program of the Deutsche Forschungsgemeinschaft (DFG)German; Research Foundation (DFG) [GE 2506/8-1, GE 2506/9-1]; NASANational; Aeronautics & Space Administration (NASA) [NAS5-26555, NAS5-98034]; NASA; O ffice of Space ScienceNational Aeronautics & Space Administration; (NASA) [NNX13AC07G]; National Aeronautics and Space; AdministrationNational Aeronautics & Space Administration (NASA); [NAS5-26555, NNX08AR22G]; National Science FoundationNational Science; Foundation (NSF); Robert Martin Ayers Sciences Fund; Italian Council for; Research in Astronomy; European Southern Observatory; International; GEMINI project; European Space Agency Astrophysics DivisionEuropean; Space Agency; ESO Program [179.A2010]; ESO Paranal Observatory; [179.A2004]; ESO Telescopes at the La Silla Paranal Observatory [177.A; 3011(A), 177.A 3011(B), 177.A 3011(C), 177.A 3011(D), 177.A 3011(E),; 177.A 3011(F), 177.A-3016, 177.A-3017, 177.A-3018]; NOVA; NWO-M grants; Department of Physics & Astronomy of the University of Padova; Department of Physics of Univ. Federico II (Naples); National Science; FoundationNational Science Foundation (NSF) [AST-1238877]; Max Planck; Institute for Extraterrestrial Physics; ARC LIEF grant from the; Australian Research CouncilAustralian Research Council [LE130100104]; Astronomy Australia Limited (AAL); Australian Government through the; Commonwealth's Education Investment Fund (EIF); National Collaborative; Research Infrastructure Strategy (NCRIS)Australian GovernmentDepartment; of Industry, Innovation and Science; National eResearch Collaboration; Tools and Resources (NeCTAR); Australian National Data Service Projects; (ANDS); National Development and Reform Commission; Alfred P. Sloan; FoundationAlfred P. Sloan Foundation; US Department of EnergyUnited; States Department of Energy (DOE); National Aeronautics and Space; AdministrationNational Aeronautics & Space Administration (NASA); Japanese MonbukagakushoMinistry of Education, Culture, Sports, Science; and Technology, Japan (MEXT); Max Planck SocietyMax Planck; SocietyFoundation CELLEX; Higher Education Funding Council for EnglandUK; Research & Innovation (UKRI)Higher Education Funding Council for England; (HEFCE); American Museum of Natural History; Astrophysical Institute; Potsdam; University of Basel; University of CambridgeUniversity of; Cambridge; Case Western Reserve University; University of; ChicagoUniversity of Chicago; Drexel University; Fermilab; Institute for; Advanced StudyInstitute for Advanced Study; Japan Participation; GroupSloan Digital Sky Survey (SDSS); Johns Hopkins UniversityJohns; Hopkins University; Joint Institute for Nuclear Astrophysics; Kavli; Institute for Particle Astrophysics and Cosmology; Korean Scientist; Group; Chinese Academy of Sciences (LAMOST)Chinese Academy of Sciences; Los Alamos National LaboratoryUnited States Department of Energy; (DOE)Los Alamos National Laboratory; Max-PlanckInstitute for Astronomy; (MPIA); Max-Planck-Institute for Astrophysics (MPA); New Mexico State; University; Ohio State UniversityOhio State University; University of; PittsburghUniversity of Pittsburgh; University of Portsmouth; Princeton; UniversityPrinceton University; United States Naval Observatory; University of WashingtonUniversity of Washington; US Department of; Energy Office of ScienceUnited States Department of Energy (DOE); University of Arizona; Brazilian Participation Group; Brookhaven; National LaboratoryUnited States Department of Energy (DOE); Carnegie; Mellon University; University of FloridaUniversity of Florida; French; Participation Group; German Participation Group; Harvard University; Instituto de Astrofisica de Canarias; Michigan State/Notre Dame/JINA; Participation Group; Lawrence Berkeley National LaboratoryUnited States; Department of Energy (DOE); Max Planck Institute for Astrophysics; New; York University; Pennsylvania State University; Spanish Participation; Group; University of Tokyo; University of Utah; Vanderbilt University; University of Virginia; Yale University; Space Telescope European; Coordinating Facility; Max Planck Institute for Astronomy, Heidelberg; Max Planck Institute for Extraterrestrial Physics, Garching; Durham; University; University of Edinburgh; Queen's University Belfast; Harvard-Smithsonian Center for AstrophysicsSmithsonian; InstitutionHarvard-Smithsonian Center for Astrophysics; Las Cumbres; Observatory Global Telescope Network Incorporated; National Central; University of Taiwan; Space Telescope Science InstituteSpace Telescope; Science Institute; University of Maryland; Eotvos Lorand University; (ELTE); Gordon and Betty Moore FoundationGordon and Betty Moore; Foundation
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
DDC classification:5 Naturwissenschaften und Mathematik / 52 Astronomie / 520 Astronomie und zugeordnete Wissenschaften
Peer review:Referiert
Publishing method:Open Access / Bronze Open-Access
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