1988ApJ...331..876V

Query : 1988ApJ...331..876V

1988ApJ...331..876V - Astrophys. J., 331, 876-897 (1988/August-0)

The presence of helium in hot DA white dwarfs: the role of radiative levitation and the case for stratified atmospheres.

VENNES S., PELLETIER C., FONTAINE G. and WESEMAEL F.

Abstract (from CDS):


Abstract Copyright: ∼

Journal keyword(s): Diffusion - Stars: Abundances - Stars: Atmospheres - Stars: White Dwarfs

Simbad objects: 28

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Number of rows : 28
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 GD 2 WD* 00 07 32.2596160176 +33 17 27.605949792 12.321 13.482 13.791 13.940 14.119 DA1.0 103 0
2 GD 659 WD* 00 53 17.4282107064 -32 59 56.523062760   13.14 13.36     DA1.4 140 0
3 Ton S 201 HS* 01 12 11.6603448960 -26 13 27.659728416   13.09 13.71     sdBHe0 66 0
4 V* FS Cet CV* 02 35 07.5939240480 +03 43 56.816311296 11.027 12.209 12.412 12.325 11.968 DA1+dM 379 0
5 Feige 31 WD* 03 04 37.3224484032 +02 56 58.037363484   14.68   15.2   DA1.4 68 0
6 LB 1663 WD* 03 22 14.8200931320 -53 45 16.473401928   14.88 14.9 15.51 15.21 DA1.5 78 0
7 GD 50 WD* 03 48 50.1859724280 -00 58 32.290187664 12.596 13.787 14.063 14.210 14.388 DA1.2 272 1
8 V* V471 Tau SB* 03 50 24.9666549840 +17 14 47.430910716   10.258 9.373   8.393 K2V+DA 697 0
9 PN A66 7 PN 05 03 07.5327419904 -15 36 22.720814352 13.99 15.190 15.495 15.632 15.818 DAO.6 123 0
10 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
11 GD 257 WD* 05 50 37.5195849864 +00 05 52.623285612   14.80 15.10 15.1   DA1.1 72 0
12 GD 71 WD* 05 52 27.6198591816 +15 53 13.228887444 11.675 12.783 13.032 13.169 13.337 DA1.5 407 0
13 LAWD 21 WD* 06 15 18.6800032191 +17 43 40.327416245   13.25   13.4   DA1.9 97 0
14 * alf CMa B WD* 06 45 09.3041925037 -16 43 00.724740067   8.41 8.44     DA1.9 563 1
15 EGGR 70 WD* 10 33 42.7629604320 -11 41 38.340637314 11.851 12.847 13.012 13.138 13.278 DA1.9 123 0
16 Ton 556 WD* 10 54 43.3167693576 +27 06 57.039078204   14.04 14.22 14.60 14.43 DA2.1 64 0
17 PG 1210+533 WD* 12 13 24.6385007064 +53 03 57.231428724 12.619 13.824 14.135 14.281 14.472 DAO1.1 59 0
18 GD 153 WD* 12 57 02.3224909560 +22 01 52.634778240 11.883 13.060 13.349 13.488 13.669 DA1.2 380 0
19 HZ 43A WD* 13 16 21.8532409720 +29 05 55.411186877   12.52 12.66     DAwk 477 0
20 EGGR 113 HS* 15 46 42.8507660088 +00 45 28.391352948   15.25 14.97 15.54 15.54 sdO 32 0
21 CD-38 10980 WD* 16 23 33.8380498896 -39 13 46.161043572 9.916 10.885 11.029 10.936 10.841 DA2 526 0
22 PG 1658+441 WD* 16 59 48.4241073768 +44 01 04.038522204   14.3 14.6     DAP1.6 156 0
23 WD 1910+047 WD* 19 12 31.1674751112 +04 52 12.828060336   16.5 14 16.8   DA 19 0
24 GD 222 WD* 19 38 28.2019965216 +32 53 19.688709192   13.46   13.9   DA2.3 55 0
25 GD 391 WD* 20 29 56.1796812432 +39 13 32.199117348 12.243 13.218 13.373 13.481 13.623 DA2.0 85 1
26 GD 394 WD* 21 12 44.0371201584 +50 06 17.887239540 11.70 12.85 13.09     DA1.3 188 1
27 Feige 106 WD* 22 42 44.6217439560 -04 14 15.200046492   15.1 15.23 15.3   DA1.1 38 0
28 GD 246 WD* 23 12 21.6158334024 +10 47 04.257295476 11.578 12.772 13.090 13.238 13.418 DA.9 224 0

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