A Galactic O-Star Catalog

2); H. \'A. Galu\'e (3); J. Ma\'iz-Apell\'aniz (1; L. H. Wei (4) ((1) STScI; M\'exico; (4) Cornell; Netherlands; (3) ITESM; N. R. Walborn (1); USA); USA; (2) ESA

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arxiv astro-ph/0311196 v1 pith:JKG7XIZV submitted 2003-11-09 astro-ph

A Galactic O-Star Catalog

J. Ma\'iz-Apell\'aniz (1 , 2) , N. R. Walborn (1) , H. \'A. Galu\'e (3) , L. H. Wei (4) ((1) STScI , USA; (2) ESA , Netherlands; (3) ITESM , M\'exico; (4) Cornell

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keywords catalogstarsgalactictycho-2accurateastrometriccasescharacter

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We have produced a catalog of 378 Galactic O stars with accurate spectral classifications which is complete for V<8 but includes many fainter stars. The catalog provides cross-identifications with other sources; coordinates (obtained in most cases from Tycho-2 data); astrometric distances for 24 of the nearest stars; optical (Tycho-2, Johnson, and Stromgren) and NIR photometry; group membership, runaway character, and multiplicity information; and a web-based version with links to online services.

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Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors
astro-ph.GA 2026-07 conditional novelty 4.0

A Gaia DR3-based census of 105,971 OB stars within 2 kpc maps local Galactic structure and identifies over 4,200 core-collapse supernova or black hole progenitor candidates.