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arxiv: 1302.6619 · v1 · pith:6UTFKB3G · submitted 2013-02-26 · astro-ph.SR

Discovery of Molecular Hydrogen in White Dwarf Atmospheres

S. Xu (1) , M. Jura (1) , D. Koester (2) , B. Klein (1) , B. Zuckerman (1) ((1) UCLA (2) University of Kiel) This is my paper

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classification astro-ph.SR
keywords whiteatmospheresdiscoverydwarfshydrogenmolecularbelowconstraints
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With the Cosmic Origins Spectrograph onboard the Hubble Space Telescope, we have detected molecular hydrogen in the atmospheres of three white dwarfs with effective temperatures below 14,000 K, G29-38, GD 133 and GD 31. This discovery provides new independent constraints on the stellar temperature and surface gravity of white dwarfs.

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