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Institut für Astronomie und Astrophysik

Abteilung Astronomie

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Preprint 04c/11

Spectral Analysis within the Virtual Observatory: The GAVO Service TheoSSA

Ellen Ringat

Institute for Astronomy and Astrophysics, Kepler Center for Astro and Particle Physics, Eberhard Karls University, Sand 1, 72076 Tübingen

To be published in: ASP Conference Series, The Fifth Meeting on Hot Subdwarf Stars & Related Objects

Abstract. In the last decade, numerous Virtual Observatory organizations were established. One of these is the German Astrophysical Virtual Observatory (GAVO) that e.g. provides access to spectral energy distributions via the service TheoSSA. In a pilot phase, these are based on the Tuebingen NLTE Model-Atmosphere Package (TMAP) and suitable for hot, compact stars. We demonstrate the power of TheoSSA in an application to the sdOB primary of AA Doradus by comparison with a ``classical" spectral analysis.

Preprint (142 kb PDF file including figures)

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