2005A&A...444..565B

Query : 2005A&A...444..565B

2005A&A...444..565B - Astronomy and Astrophysics, volume 444565-571 (2005/12-3)

Rotation velocities of white dwarfs determined from the Ca II K line.

BERGER L., KOESTER D., NAPIWOTZKI R., REID I.N. and ZUCKERMAN B.

Abstract (from CDS):

We determine projected rotation velocities vsin i in DAZ white dwarfs, for the first time using the rotational broadening of the CaII K line. The results confirm previous findings that white dwarfs are very slow rotators, and set even more stringent upper limits of typically less than 10km/s. The few exceptions include 3 stars known or suspected to be variable ZZ Ceti stars, where the line broadening is very likely not due to rotation. The results demonstrate that the angular momentum of the core cannot be preserved completely between main sequence and final stage.

Abstract Copyright: ∼

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

CDS comments: Table 1, Fig. 3, Table 3 WD 0208+296 is a probable misprint for WD 0208+396.

Simbad objects: 40

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Number of rows : 40
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 EGGR 511 WD* 00 35 17.5123470013 -17 18 51.571586248   15.17 14.9 14.7   DA5.1 54 1
2 HS 0047+1903 WD* 00 50 12.4545315432 +19 19 48.512540388   15.94 15.59 16.0   DAZ 23 0
3 Ton S 193 WD* 01 08 36.0345990648 -32 37 43.377234996   15.34 15.26 15.86   DAZ 41 0
4 EGGR 168 WD* 02 11 20.8420869594 +39 55 21.516404474   14.80 14.50 14.4   DAZ6.9 121 0
5 PG 0235+064 WD* 02 38 30.9280475928 +06 37 59.842540308   15.53 15.09     DA3.5 44 0
6 EGGR 565 WD* 02 46 30.8013110459 -02 27 23.461070842   16.34 15.38   15.09 DA7.4 72 0
7 EGGR 473 WD* 02 48 36.4291217434 +54 23 22.464606271   16.25   15.1   DAZ9 73 0
8 HS 0307+0746 WD* 03 10 09.1588178784 +07 57 32.073855264   17.1   16.6   DAZ 33 0
9 GD 56 WD* 04 11 02.1686667960 -03 58 22.586865708   15.64 15.50 15.1   DA3.3 92 0
10 GD 290 WD* 05 47 56.3423408688 +57 59 22.479576360   16.0       DA5.1 42 0
11 Ton 953 WD* 08 49 09.4771157184 +34 29 47.732590248   15.99 15.72     DA6.6 71 0
12 PG 1015+161 WD* 10 18 03.8273436048 +15 51 58.566029940   15.596 15.607 16.000   DA2.5 92 0
13 EC 11023-1821 WD* 11 04 46.8827885760 -18 37 13.123596036   16.25 15.99 15.6   DA6.1 36 0
14 GD 133 WD* 11 19 12.3988618680 +02 20 33.045927216   14.734 14.617 14.855   DA4.0 107 0
15 Ruiz 439-80 WD* 11 27 09.2523446398 -29 40 11.199558503   15.02 15.02 14.8   DA5.3 54 1
16 EC 11507-1519 WD* 11 53 15.2581290960 -15 36 36.506488428   16.16 16.00 15.9   DA4.0 61 0
17 LP 852-7 WD* 12 05 26.6739103248 -23 33 12.139045488   13.04 12.90 12.66 12.52 DA5.7 73 0
18 LP 734-74 WD* 12 06 56.2914581818 -13 53 53.037650505   15.72 15.53 15.6   DA4.4 37 0
19 G 197-47 WD* 12 11 29.2732556757 +57 24 17.242313993   16.34   15.3   DA8.6 66 0
20 HE 1225+0038 WD* 12 28 07.7276728272 +00 22 19.623383832   15.2   15.1   DAZ 37 1
21 EGGR 94 WD* 12 59 46.6567450670 +27 34 04.137867253   15.68   15.0   DAZ5.9 80 0
22 HE 1315-1105 WD* 13 17 47.2436645472 -11 21 06.028259904   15.8   15.6   DAZ 31 0
23 LAWD 52 WD* 13 38 50.4780906644 +70 17 07.640657534 11.807 12.54 12.60 13.01 12.979 DA2.4 234 0
24 EGGR 360 WD* 13 47 24.3696354602 +10 21 38.013189353   15.49   14.8   DA7.1 104 0
25 PG 1407+425 WD* 14 09 45.2394571992 +42 16 00.654967560     14.98     DA5.0 50 0
26 GD 165 WD* 14 24 39.1495824408 +09 17 14.160753960   14.46 14.32 14.6 14.91 DA4.1 176 0
27 V* MY Aps WD* 14 33 07.6366196272 -81 20 14.128475593   13.49 13.35 13.65   DA4.1 152 0
28 EGGR 298 WD* 14 58 06.4884482642 +29 37 29.515263565   15.86   15.3   DA6.8 99 0
29 PG 1457-086 WD* 14 59 52.9901145672 -08 49 29.645894676   15.68 15.77 15.8   DA2.3 51 0
30 PG 1614+160 WD* 16 17 08.7453632376 +15 54 38.495476620   16.08   15.7   DA2.8 37 0
31 PG 1633+434 WD* 16 35 01.4291783063 +43 17 36.347179696   15.26   14.5   DAZ7.6 85 0
32 EGGR 176 WD* 18 24 04.5487353609 -13 08 42.294222804   16.02 15.60     DA7.8 38 0
33 EGGR 126 WD* 18 29 09.8621169216 -04 29 35.487640068   14.82 14.57 14.74   DA5.4 57 0
34 EGGR 580 WD* 19 00 17.2960061016 +39 22 35.250376008   16.7   15.6   DA5.3 38 0
35 LAWD 84 WD* 21 19 36.5325585235 -55 50 14.465412588 13.94 14.50 14.27 14.5   DA5.1 96 0
36 HS 2132+0941 WD* 21 34 50.8135124880 +09 55 20.259363108   15.7   15.4   DAZ 35 0
37 EGGR 150 WD* 21 52 25.3789636654 +02 23 19.576176425 11.942 12.732 12.743 12.839 12.938 DA2.8 213 0
38 PHL 5103 WD* 22 24 17.4348213312 -16 15 47.161639476   16.30 16.02 16.25 15.90 DAZ 39 0
39 HS 2229+2335 WD* 22 31 45.4681881984 +23 51 23.355178596   16.02 16.01 16.37   DAZ 27 0
40 V* ZZ Psc WD* 23 28 47.6365087803 +05 14 54.235051503   13.217   13.106   DA4.1 536 0

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