1999A&A...346..819V

Query : 1999A&A...346..819V

1999A&A...346..819V - Astronomy and Astrophysics, volume 346819-830 (1999/6-3)

Understanding A-type supergiants. II. Atmospheric parameters and rotational velocities of Galactic A-type supergiants.

VERDUGO E., TALAVERA A. and GOMEZ DE CASTRO A.I.

Abstract (from CDS):

We present the second paper of a series whose aim is to perform a global study of Galactic A-supergiants. Very little work has been carried out to determine the stellar parameters of these stars. This is illustrated with a brief review of some previous works. In this paper we analyze the determination of absolute magnitudes, spectral types and atmospheric parameters using the most recent Kurucz LTE blanketed model atmospheres and we discuss the applicability of the calibrations, such as the Schmidt-Kaler's (1982, Landort-Bornstein, Vol. 2, Subvol. b, p. 455, Spinger Verlag) calibration. Rotation is also an important parameter in A-supergiants but their rotational velocities are poorly known. We have calculated projected rotational velocities from the Fourier analysis of the observed Mg II (4481Å) line.

Abstract Copyright: ∼

Journal keyword(s): stars: atmospheres - stars: fundamental parameters - stars: mass-loss - stars: supergiants

Simbad objects: 42

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Number of rows : 42
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 BD+60 51 * 00 26 33.7839999072 +61 24 45.265922748 10.13 9.77 9.26     A2Iab 18 0
2 HD 2928 * 00 33 13.4185617000 +62 32 14.425292580 9.32 9.18 8.71     A2Iab 26 0
3 V* V755 Cas EB* 00 42 50.0625827088 +64 17 28.608489888 8.04 7.919 7.287     A1Ia 83 0
4 BD+61 153 * 00 42 59.2477375032 +62 14 05.723044584 10.5 10.08 9.40     A0Ib 24 0
5 HD 4717 * 00 50 16.3080738168 +63 10 16.868595360   8.59 8.08     A2Iab 31 0
6 HD 5776 * 01 00 32.9570317080 +63 01 43.674717900 8.68 8.53 8.08     A2Iab 28 0
7 HD 12953 sg* 02 08 40.5790963584 +58 25 24.970714608 6.28 6.29 5.68 5.09 4.59 A1Ia 198 0
8 HD 13476 sg* 02 13 41.6105031504 +58 33 38.107279260 7.26 7.04 6.43 5.89 5.40 A2Iab 142 0
9 HD 13744 * 02 15 58.6970437416 +58 17 37.025669076 8.51 8.27 7.64     B9Iab 76 0
10 Ass Per OB 1 As* 02 21 +57.6           ~ 181 1
11 HD 14433 sg* 02 21 55.4354619696 +57 14 34.499997492 7.01 6.97 6.4800 5.79 6.7332 A1Ia 155 0
12 * i Per sg* 02 22 21.4343107056 +55 50 44.350353276 5.43 5.54 5.17 4.79 4.47 A1Ia 201 0
13 HD 14535 sg* 02 22 53.4977439936 +57 14 42.546478992 8.28 8.16 7.4550 6.72 7.0307 A2Ia 101 0
14 HD 15316 sg* 02 29 58.5567374712 +57 49 14.566545840 8.42 8.00 7.23 6.52 5.84 A2Iab 96 0
15 HD 16778 sg* 02 43 53.6910089184 +59 49 21.944877564 11.084 8.54 7.77     A1Ia 68 0
16 HD 236995 * 02 45 03.5054314584 +58 33 04.562755452   9.11 8.56     A0Ib 33 0
17 HD 17378 sg* 02 49 30.7369299096 +57 05 03.548427576 7.65 7.14 6.26 5.44 4.68 A5Ia 184 0
18 HD 20041 * 03 15 47.9705004096 +57 08 26.243459556 6.61 6.52 5.79     A0Ia 146 1
19 HD 21389 sg* 03 29 54.7436040912 +58 52 43.496880384 4.99 5.10 4.54 4.03 3.53 A0Ia 305 0
20 Ass Cam OB 1 As* 03 31.6 +58 38           ~ 98 0
21 * 13 Mon sg* 06 32 54.2279021568 +07 19 58.690911432 4.30 4.50 4.50 4.40 4.36 A0Ib 208 1
22 HD 59612 * 07 29 51.4122982920 -23 01 27.444741492 5.27 5.10 4.86 4.58 4.38 A5/7Iab/II 135 0
23 * eta Leo sg* 10 07 19.9523915176 +16 45 45.587968398 3.17 3.39 3.41 3.32 3.35 A0Ib 351 0
24 HD 100826 s*b 11 35 42.3363664296 -61 17 16.337345064 6.09 6.34 6.24 7.24   B9.5Iab/b 38 0
25 HD 102878 * 11 50 27.2770577376 -62 38 57.775776936 5.87 5.918 5.702 6.95   A2Iab 77 0
26 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
27 Ass Vul OB 4 As* 19 43.1 +24 34           ~ 29 0
28 HD 187982 V* 19 52 01.5943128840 +24 59 31.787432196 6.41 6.28 5.57     A2Ia 117 0
29 * alf Cyg sg* 20 41 25.91514 +45 16 49.2197 1.11 1.34 1.25 1.14 1.04 A2Ia 778 0
30 Ass Cyg OB 7 As* 21 08 +47.6           ~ 218 0
31 * nu. Cep sg* 21 45 26.9251364232 +61 07 14.900183018 4.94 4.81 4.29 3.79 3.35 A2Iae 257 1
32 HD 207673 * 21 49 40.0940581200 +41 08 55.633325604 6.97 6.90 6.48     A2Ib 86 0
33 Ass Cep OB 2 As* 21 51 +60.0           ~ 303 0
34 HD 209900 Em* 22 05 13.8196146840 +53 30 36.760489416 9.39 9.08 8.72     A0Ib 36 0
35 HD 210221 Pu* 22 07 25.5851458248 +53 18 26.773650216 6.81 6.555 6.171     A3Ib 86 0
36 * 4 Lac s*b 22 24 30.9914928480 +49 28 35.010584652 4.33 4.67 4.58 4.45 4.35 B9Iab-Ib 188 0
37 HD 213470 sg* 22 30 18.7035036480 +57 13 31.595985156 7.45 7.183 6.679     A3Ia 88 0
38 NAME I Lac As* 22 41 +38.5           ~ 158 0
39 BD+60 2542 V* 23 27 05.6953109064 +61 22 42.433566276 9.74 9.38 8.85     A1Iab 29 0
40 * 6 Cas ** 23 48 50.17052 +62 12 52.2577       6.60   A2.5(I)+O9.8II 199 0
41 HD 223960 s*b 23 53 49.9830046536 +60 51 12.243820356 7.56 7.61 6.90     B9Ia 98 0
42 Ass Cas OB 5 As* 23 54 +61.6           ~ 78 0

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