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Title: The Galactic O-star spectroscopic survey (GOSSS)
Authors: Maíz Apellániz, J.; Sota, A.; Walborn, N. R.; Alfaro, E. J.; Barbá, R. H.; Morrell, N. I.; Gamen, R. C.; Arias, J. I.
Affiliation: Maíz Apellániz, J.: Instituto de Astrofisica de Andalucia-CSIC, Granada, Spain
Sota, A.: Instituto de Astrofisica de Andalucia-CSIC, Granada, Spain
Walborn, N. R.: Space Telescope Science Institute, Baltimore, MD, USA
Alfaro, E. J.: Instituto de Astrofisica de Andalucia-CSIC, Granada, Spain
Barbá, R. H.: Departamento de Fisica, Universidad de La Serena, La Serena, Chile
Morrell, N. I.: Las Campanas Observatory, La Serena, Chile
Gamen, R. C.: Instituto de Astrofisica de La Plata (CONICET, UNLP), La Plata, Argentina
Arias, J. I.: Departamento de Fisica, Universidad de La Serena, La Serena, Chile
Publication: Highlights of Spanish Astrophysics VI, Proceedings of the IX Scientific Meeting of the Spanish Astronomical Society (SEA), held in Madrid, September 13 - 17, 2010, Eds.: M. R. Zapatero Osorio, J. Gorgas, J. Maíz Apellániz, J. R. Pardo, and A. Gil de Paz., p. 467-472
Date: 11/2011
Keywords: Astrophysics - Solar and Stellar Astrophysics; Astrophysics - Galaxy Astrophysics
ADS: 2011hsa6.conf..467M  [Bibtex entry]

Abstract

We present a massive spectroscopic survey of Galactic O stars, GOSSS, based on new, high signal-to-noise ratio, R about 2500 blue-violet digital observations from both hemispheres. The sample size and selection criteria; the relationship between GOSSS, the Galactic O-Star Catalog (GOSC), and three sister surveys (OWN, IACOB, and Lucky Imaging); the current status; and our plans for the future are discussed. We also show some of our first results, which include the new Ofc category, two new examples of Of?p stars, a new atlas for O stars, and the introduction of the O9.7 type for luminosity classes III to V. Finally, our scientific objectives are discussed.


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