2013ApJ...766L..18X

Query : 2013ApJ...766L..18X

2013ApJ...766L..18X - Astrophys. J., 766, L18 (2013/April-1)

Discovery of molecular hydrogen in white dwarf atmospheres.

XU S., JURA M., KOESTER D., KLEIN B. and ZUCKERMAN B.

Abstract (from CDS):

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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Journal keyword(s): stars: atmospheres - white dwarfs

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* ZZ Cet WD* 01 36 13.6153974672 -11 20 32.632874601   14.328 14.16 14.4   DA4.0 307 0
2 GD 31 WD* 02 34 07.7269136208 -05 11 39.330969360   14.45 14.24 14.3   DA2.9 76 0
3 GD 40 WD* 03 02 53.1037481136 -01 08 33.798683976   15.479 15.384     DBZ4 187 0
4 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
5 GD 133 WD* 11 19 12.3988618680 +02 20 33.045927216   14.734 14.617 14.855   DA4.0 107 0
6 G 241-6 WD* 22 23 33.1053008448 +68 37 24.282156972   15.7 15.65 15.7   DB 52 0
7 V* ZZ Psc WD* 23 28 47.6365087803 +05 14 54.235051503   13.217   13.106   DA4.1 536 0

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