1995BaltA...4..157K

Query : 1995BaltA...4..157K

1995BaltA...4..157K - Baltic Astronomy, 4, 157-165 (1995/October-0)

Non-variable stars inside the ZZ Ceti instability strip.

KEPLER S.O., GIOVANNINI O., KANAAN A., WOOD M.A. and CLAVER C.F.

Abstract (from CDS):

We are obtaining high signal-to-noise (S/N) optical spectra and time-series photometry of all known DA4 and DA5 white dwarfs brighter than B = 16.0 mag. Deriving their atmospheric parameters, masses and limits of variability, we can study the statistics of the ZZ Ceti instability strip. We have found 14 non-variables in agreement with mass stratification of the instability strip, but also at least one non-variable star inside the instability strip that cannot be explained by total mass alone.

Abstract Copyright: ∼

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

Simbad objects: 65

goto View the references in ADS

Number of rows : 65
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 LAWD 5 WD* 00 35 35.8382124422 +01 53 08.626899670   15.76 15.52 15.6   DA4.6 69 0
2 G 269-93 WD* 01 05 53.5364544744 -27 36 56.450601216   15.43 15.42 15.49   DA3.6 35 0
3 L 292-41 WD* 01 06 53.7114590688 -46 08 53.673765720   15.59 15.39 15.66   DA4.4 63 0
4 V* ZZ Cet WD* 01 36 13.6153974672 -11 20 32.632874601   14.328 14.16 14.4   DA4.0 307 0
5 EGGR 311 WD* 01 54 13.8872990407 +02 01 24.138596508   15.16   14.4   DA3.9 50 0
6 LAWD 13 WD* 02 56 17.2209885870 -70 22 10.848492817 13.72 14.25 14.07 14.03 14.00 DA4.7 63 1
7 EGGR 567 WD* 03 43 06.8602581744 +52 28 55.574464044   15.79 15.64 15.76   DA3.8 33 0
8 V* VY Hor WD* 03 43 29.0336408736 -45 49 04.233811368   15.16 14.91 15.28   DA4.3 69 0
9 G 8-8 WD* 04 04 34.1281892448 +25 08 51.685256904   13.92   14.1   DA3.9 94 0
10 * omi02 Eri B WD* 04 15 21.7957181469 -07 39 29.203986789 9.147 9.83 9.53     DA2.9 357 0
11 GD 77 WD* 06 41 12.8216879232 +47 44 19.650545124   14.93   14.9   DAP3.4 62 0
12 V* RY LMi WD* 09 24 15.2482279632 +35 16 51.401570556   15.72   15.99   DA4 274 0
13 G 161-36 WD* 09 29 21.2880206880 -04 10 05.699373096   14.94 14.79 15.34   DA3.6 33 0
14 Ton 20 WD* 09 41 04.4668994424 +28 22 24.159587592   15.62 15.57     DA3.3 41 0
15 LAWD 32 WD* 09 46 39.0735844152 +43 54 52.233579756   13.39   13.8   DA3.8 109 0
16 GD 110 WD* 10 03 38.8443982488 -03 37 56.866148292   15.72 15.45 15.74   DA 21 0
17 PG 1022+050 WD* 10 24 59.8281525960 +04 46 10.445657952   14.37 14.20 14.2   DA3.5 60 0
18 PG 1026+024 WD* 10 29 09.8055416376 +02 05 53.669558472   14.34 14.20 14.46   DA3.8 45 0
19 GD 123 ** 10 36 25.2556059000 +46 08 30.695862156   13.70 13.15     DA+M3 59 1
20 Ton 1323 WD* 11 04 32.5723321080 +36 10 48.873021996   14.76 14.49     DA3.7 75 0
21 GD 133 WD* 11 19 12.3988618680 +02 20 33.045927216   14.734 14.617 14.855   DA4.0 107 0
22 PG 1119+386 WD* 11 22 38.1317397504 +38 18 26.457755904   16.03       DA3.0 31 0
23 PG 1129+072 WD* 11 32 03.4693633704 +06 55 09.163435008   15.37       DA3.6 33 0
24 LAWD 38 WD* 11 50 20.1723452944 +25 18 32.765299925   15.78   15.4   DA5 66 0
25 WG 22 WD* 12 38 49.7811220835 -49 48 00.219515411   14.14 13.96     DA4.2 245 0
26 EGGR 92 WD* 12 47 14.7133704150 +14 42 30.875986658   16.08   15.9   DA4.6 66 0
27 GD 319 ** 12 50 04.422072 +55 06 02.11932   12.398 12.259 12.147   sdOB+K3V 88 0
28 GD 320 WD* 12 55 26.3443601232 +47 57 19.255035456   16.5       DA3.4 31 0
29 BD-07 3632 WD* 13 30 13.6370112733 -08 34 29.468140653 11.803 12.398 12.340 12.39 12.436 DA3.5 203 0
30 BD+34 2473B WD* 13 57 09.6172493496 +33 48 02.455483104   16.46   16.15   DA3.5 50 0
31 PG 1418-005 WD* 14 21 31.2056919360 -00 44 23.147549556   16.64 16.7     DA3.4 26 0
32 LAWD 56 WD* 14 50 49.3755085557 +07 33 33.866961226   15.50   15.4   DA3.4 69 0
33 GD 176 WD* 15 10 29.0412183168 -10 45 19.415579328   15.65 15.42 15.2   DA4.9 39 0
34 GD 348 WD* 15 37 44.4366919464 +65 01 48.746398008   14.83   14.6   DA5.1 45 0
35 GD 189 WD* 15 42 14.2129199328 -03 41 31.297062912   15.45 15.20 15.0   DA5.0 40 0
36 GD 194 WD* 15 52 26.3787120096 +18 10 18.689282184   14.94   15.2   DA3.4 58 0
37 EGGR 174 WD* 15 58 04.8190081920 -09 08 07.936829448   14.89 14.80 14.3 14.98 DA3.4 49 0
38 Ross 808 WD* 16 01 23.1868739817 +36 48 34.288643534   14.53   14.7   DA4.4 117 0
39 EGGR 116 WD* 16 08 22.1889820968 +42 05 43.435887864   13.91   13.7   DA3.8 54 0
40 GD 196 WD* 16 13 02.2929380160 +16 31 55.184791656   15.86   15.7   DA3.3 47 0
41 GD 202 WD* 16 38 40.4041104552 +15 54 16.664862204   15.74 15.60     DA3.8 31 0
42 EGGR 120 WD* 16 39 27.8215382615 +33 25 22.241246085   14.83   14.6   DA4.9 74 0
43 V* DN Dra WD* 16 48 25.6318375106 +59 03 22.658985521   12.34 12.17 12.44   DA4.0 228 0
44 GD 515 WD* 16 54 29.0577769752 +63 39 21.175780860   15.5   15.9   DA3.2 42 0
45 EGGR 197 WD* 16 57 09.8599362431 +21 26 48.659961060   14.32   14.1   DA5.4 97 0
46 Wolf 672 A WD* 17 18 35.1636500684 +01 56 53.203775107       14.63   DA3.7 93 0
47 EGGR 177 WD* 18 30 39.4327226184 -10 36 59.931584028   15.41 15.28 15.82   DA3.6 42 0
48 EGGR 200 WD* 18 42 57.7479820102 -11 08 53.183098481       14.46 14.01 DA4.9 45 0
49 EGGR 128 WD* 18 59 49.2015115920 +11 58 40.273201272   15.72   15.3   DA5.0 41 0
50 G 142-B2B WD* 19 13 38.6751658464 +13 36 27.362642868 13.52     14.47   DA3.6 59 0
51 GD 219 WD* 19 21 40.4179321464 +14 40 41.404467612   13.07 13.01 13.3   DA3.3 92 0
52 EGGR 140 WD* 20 44 21.4586818392 -68 05 21.357505752 12.58 13.35 13.30 13.8   DA3.0 74 0
53 EGGR 261 WD* 20 49 06.6996392736 +37 28 14.050387020   13.40   13.2   DA3.4 88 0
54 LAWD 83 WD* 21 13 16.8549349741 -81 49 12.878285501 13.28 13.82 13.59 13.6   DA4.8 125 0
55 LAWD 84 WD* 21 19 36.5325585235 -55 50 14.465412588 13.94 14.50 14.27 14.5   DA5.1 96 0
56 G 263-3 WD* 21 26 57.6561357825 +73 38 44.668257289 12.15 12.80 12.83 13.30   DA3.1 118 0
57 EGGR 582 WD* 21 38 46.1923801224 +23 09 21.491234532   15.39   14.6   DA4.9 58 0
58 GD 397 WD* 21 52 02.8924125888 +37 26 19.116293532   15.34 15.04 15.57   DA3.7 34 0
59 GD 236 WD* 22 29 08.5720633704 +06 22 47.494685532   15.5   14.3   DA3.1 46 0
60 EGGR 155 WD* 22 49 05.5507896558 +22 36 31.991540832   14.55   13.8   DA4.7 111 0
61 EGGR 263 WD* 23 01 05.5060433304 +40 56 13.945397064   15.5       DA5.0 36 1
62 GD 556 WD* 23 14 04.3017921696 +55 28 14.113976340   16       DA3.0 33 0
63 PG 2322+207 WD* 23 24 35.1949156152 +20 56 33.828403236   15.55 15.47 15.82   DA3.7 33 0
64 WG 54 WD* 23 40 35.4695752968 -75 45 08.729850528   14.75 14.77 15.16   DA3.5 28 0
65 LAWD 93 WD* 23 43 50.7212145360 +32 32 46.728318300   13.06 12.94 13.12   DA3.8 160 0

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