2008ApJS..174..499A

Query : 2008ApJS..174..499A

2008ApJS..174..499A - Astrophys. J., Suppl. Ser., 174, 499-503 (2008/February-0)

New data on a-type disk stars.

ABT H.A.

Abstract (from CDS):

After a review of what has been learned to date about the Ti II disk lines at λλ3759 and 3761 in the spectra of rapidly rotating A dwarfs, new measures obtained during the past 10 yr are given. They show stars with quasi-periodic variations of 15-30 yr (as in Be stars) and probably longer. The star HR 10 has double disk lines that change relative strengths during 9 yr, consistent with the behavior found by others. They support the model by others of erratic longward components representing material falling onto the star.

Abstract Copyright: ∼

Journal keyword(s): Stars: Emission-Line, Be - Stars: Individual: Bright Star Number: HR 10 - Stars: Mass Loss

Simbad objects: 21

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Number of rows : 21
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 HD 256 ** 00 07 18.2658367200 -17 23 13.173158760   6.311 6.203     A3Vn_sh 113 0
2 * 71 Cet V* 02 24 58.3888612344 -02 46 48.101665764   6.322 6.335     B9.5III/IV 52 0
3 HD 21688 * 03 29 36.0279981768 -12 40 29.048473740   5.730 5.576     A9VnkA5mA5 54 0
4 * ups Tau dS* 04 26 18.4631232492 +22 48 48.889451555   4.572 4.282     A8Vn 189 0
5 * 71 Tau dS* 04 26 20.7708204936 +15 37 05.884087620   4.758 4.480 5.96 4.15 F0V 235 0
6 HD 30823 * 04 52 47.7573421152 +42 35 11.858964360   5.784 5.675     A3III 49 0
7 * 12 Lep * 05 42 13.9587794640 -22 22 25.370491008   5.98 5.89     A2/3V 52 0
8 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 2087 1
9 HD 39182 * 05 52 39.6643545288 +39 34 28.936608816 6.570 6.480 6.390     A2V 46 0
10 HD 39551 SB* 05 56 14.4562540680 +51 48 14.355300168 6.920 6.790 6.640     A5V 42 0
11 HD 42111 * 06 08 57.9037271424 +02 29 58.885200456 5.86 5.80 5.73     B9V 132 0
12 HD 85905 * 09 54 31.8155781312 -22 29 14.846298108   6.270 6.213     A1IVn 47 0
13 * phi Leo PM* 11 16 39.6997760978 -03 39 05.771550444   4.654 4.450     A5V 135 0
14 * 25 Her ** 16 25 24.1688222784 +37 23 38.586829272 5.790 5.710 5.540     A5V 105 0
15 HD 166228 * 18 07 06.2976887005 +49 42 37.610086163 6.550 6.540 6.500     A2V 23 0
16 HD 168646 * 18 22 00.1406039376 -28 25 47.875197468   6.396 6.154     A3III 38 0
17 HD 170878 * 18 31 04.4486334576 +16 55 42.802383972   5.802 5.750     A2V 57 0
18 * 21 Vul dS* 20 14 14.5295334240 +28 41 41.341822296   5.365 5.189     A7IVn 100 0
19 HD 193621 * 20 19 48.3215657208 +37 07 57.051229692 6.50 6.57 6.57     A0III 58 0
20 * 1 Del ** 20 30 17.96064 +10 53 45.3233 5.94 6.05 6.08     A1:III 109 0
21 HD 209124 * 21 59 22.8567825072 +57 39 30.676055112   6.583 6.578     A0III-IV 31 0

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