Journal
ASTROPHYSICAL JOURNAL LETTERS
Volume 766, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/766/2/L18
Keywords
stars: atmospheres; white dwarfs
Categories
Funding
- NASA through a grant from the Space Telescope Science Institute [12290]
- Association of Universities for Research in Astronomy, Inc., under NASA [NAS 5-26555]
- NSF
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With the Cosmic Origins Spectrograph on board 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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