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Preprint 10a/12


White Dwarf Model Atmospheres: Powerful Tools for Spectral Analysis as well as Panchromatic Calibration of Astronomical Observations

T. Rauch

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

To be published in: UV Astronomy: HST and Beyond, Kaua’i, Hawai’i, USA, June 18-21, 2012

Abstract. The absolute flux calibration of space-borne instruments in the ultraviolet regime rests strongly on model spectra of white dwarfs. The hydrogen-rich white dwarfs GD 71, GD 153, G191-B2B, and HZ 43A are primary standard stars for this. The first three (HZ 43 is a binary) provide the opportunity for a cross-calibration from the extreme ultraviolet to the infrared.
 

Preprint (3,00 Mb PDF file including figures)


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