2005ApJ...625..966M

Query : 2005ApJ...625..966M

2005ApJ...625..966M - Astrophys. J., 625, 966-972 (2005/June-1)

Eleven new DA white dwarf variable stars from the Sloan Digital Sky Survey.

MULLALLY F., THOMPSON S.E., CASTANHEIRA B.G., WINGET D.E., KEPLER S.O., EISENSTEIN D.J., KLEINMAN S.J. and NITTA A.

Abstract (from CDS):

We report the discovery of 11 new variable DA white dwarf (ZZ Ceti) stars. Candidates were selected by deriving temperatures from model fits to spectra obtained from the Sloan Digital Sky Survey (SDSS). We also find objects whose temperatures and gravities indicate they lie within the instability strip for pulsation but were not observed to vary. Although the temperatures are based on relatively low signal-to-noise ratio spectra, an impure strip is unexpected, which if confirmed, has implications for DA asteroseismology. This work brings the total number of published variable DA white dwarf stars to 82.

Abstract Copyright: ∼

Journal keyword(s): Stars: Oscillations - Stars: White Dwarfs

Simbad objects: 39

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Number of rows : 39
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 PB 5854 WD* 00 18 36.1282705272 +00 31 51.228446124   17.5   17.7   DA 22 0
2 PB 5879 WD* 00 20 49.4073935256 +00 44 34.899726696   17   16.7   DA3 29 0
3 PB 5912 WD* 00 23 09.0416663568 -00 33 42.036176592   16       DA 20 0
4 PHL 2939 WD* 00 46 10.3642630992 +13 39 10.347056820   18.0       DA 17 0
5 GALEX J004855.2+152149 WD* 00 48 55.1704598016 +15 21 48.710910384   17.8   18.2   DA 20 0
6 GALEX J005703.7+151014 WD* 00 57 03.7316721000 +15 10 14.551140504           DA 15 0
7 GD 842 WD* 01 22 34.6824285216 +00 30 26.030871324   17       DA 21 0
8 PB 6691 WD* 02 08 51.6699404616 +00 53 32.448937920   16.5       DA 19 0
9 GALEX J022108.6+004924 WD* 02 21 08.6814938184 +00 49 24.634215876   18.0   18.8   DA4 19 0
10 LB 181 WD* 02 57 09.0024386328 +00 46 27.946016688   17.8 17.85     DA 30 0
11 GALEX J031111.3-000344 WD* 03 11 11.3882774376 -00 03 44.444217924           DA 16 0
12 KUV 03205-0005 WD* 03 23 02.8512206040 +00 05 59.658202104     16.97     DA3.7 26 0
13 UCAC4 445-004604 * 03 25 10.6559171712 -01 11 14.469907740   16.62 15.55 15.57   M1.25 14 0
14 SDSS J032510.84-011114.2 WD* 03 25 10.8458031144 -01 11 14.249282496           DA 21 0
15 KUV 03237+0008 WD* 03 26 19.4508195960 +00 18 17.392294656   17.2       DA 23 0
16 KUV 03295-0108 WD* 03 32 00.4875658440 -00 57 52.487362080     17.17     DA2.8 24 0
17 SDSS J075617.54+202010.2 WD* 07 56 17.5407919800 +20 20 10.348123488           DA 15 0
18 GALEX J081829.0+313153 WD* 08 18 28.9871593032 +31 31 53.180507424   16.8   17.4   DA 19 0
19 GALEX J091312.7+403629 WD* 09 13 12.7418690976 +40 36 28.949719176   17.3   18.0   DA 23 0
20 V* RY LMi WD* 09 24 15.2482279632 +35 16 51.401570556   15.72   15.99   DA4 274 0
21 GALEX J100238.6+581836 WD* 10 02 38.5732114152 +58 18 36.021938544   17.8   18.5   DA 19 0
22 SLW J1007+5245A WD* 10 07 18.2840891280 +52 45 19.954161828           DA 18 0
23 GALEX J101218.2+610818 WD* 10 12 18.090 +61 08 19.00           DA 9 0
24 LP 128-255 WD* 10 54 49.9030564992 +53 07 59.278175580           DA 25 0
25 GALEX J114132.9+042029 ** 11 41 32.9872646160 +04 20 28.864626612           DA+M 14 0
26 GALEX J135530.9+545404 WD* 13 55 31.0606426224 +54 54 04.509239508   18.2   18.2   DA 19 0
27 SDSS J140004.68+643128.4 WD* 14 00 04.6916944992 +64 31 28.336249776           DA 17 0
28 GALEX J143249.1+014616 WD* 14 32 49.1040448968 +01 46 15.566117448           DA 21 0
29 GALEX J154545.3+032150 WD* 15 45 45.3486786672 +03 21 49.986715176           DA 15 0
30 GALEX J164248.6+382411 WD* 16 42 48.6122886744 +38 24 11.197951272           DA 16 0
31 GALEX J165815.4+363816 WD* 16 58 15.5282602536 +36 38 15.992780136           DA 14 0
32 GALEX J173712.8+584429 WD* 17 37 12.9417085320 +58 44 28.750766604           DA 11 0
33 SDSS J215532.95+123801.5 WD* 21 55 32.9520298272 +12 38 01.572254052           DA 13 0
34 GALEX J215905.5+132256 WD* 21 59 05.5320915624 +13 22 55.863479460           DA 19 0
35 PB 5113 WD* 22 14 58.3726018632 -00 25 11.899431804   18       DA 23 0
36 SDSS J222223.03+123824.7 WD* 22 22 23.0318438904 +12 38 24.697897080           DA 16 0
37 GALEX J225211.4+143610 WD* 22 52 11.5122521088 +14 36 10.512626400           DA 16 0
38 SDSS J231152.20+142417.3 WD* 23 11 52.2055782072 +14 24 17.327119932           DA 15 0
39 PB 7718 WD* 23 37 42.2058136560 -10 41 44.100192480   17.5       DA 17 0

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