Emission-line Stars and Early-type Stars with Gaia

Details Emission-line Stars and Early-type Stars with Gaia Emission-line Stars and Early-type Stars with Gaia

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011eas....45..373b&link_type=abstract

EAS Publications Series, Volume 45, 2011, pp.373-376

Physics

1

Scientific paper

Gaia will provide accurate parallaxes, spectrophotometry and spectroscopy for hundreds of thousands of emission-line stars across the whole HR diagram. In preparation for the Gaia mission, we are developing algorithms to recognize and classify emission-line stars. A large collection of ground-based spectroscopic observations has been collected and will be used for testing and training the algorithms. Gaia will also provide information on several millions of early-type stars. Determining accurate parameters for these stars from Gaia data only will be difficult due to the AV - Teff degeneracy.

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