Model Spectra of Hot Subdwarfs for the Gaia Mission
L. Hindson, R. Napiwotzki, U. Heber, M. Lemke
TL;DR
This paper develops a comprehensive grid of model spectra for hot subdwarf B stars to aid Gaia in classifying and analyzing these stars using its extensive data collection.
Contribution
It introduces an extensive grid of model spectra specifically designed for hot subdwarf B stars to support Gaia's classification and parameter estimation tasks.
Findings
Created a wide parameter range of model spectra for sdB stars
Facilitates Gaia's classification and analysis of hot subdwarfs
Enhances understanding of sdB star properties
Abstract
The Gaia mission will provide an unprecedented 3D view of our galaxy, it will obtain astrometric, photometric and spectrographic data for roughly one billion stars. We are particularly interested in the treasure chest of new data Gaia will produce for hot subdwarf B (sdB) stars. In order for Gaia to classify sdBs and estimate parameters model spectra covering a wide parameter range are needed. Here we describe the construction of an extensive grid, which will be used for this purpose.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Scientific Research and Discoveries · Stellar, planetary, and galactic studies