2010AJ....139..372C


Query : 2010AJ....139..372C

2010AJ....139..372C - Astron. J., 139, 372-377 (2010/February-0)

A star in the M31 giant stream: the highest negative stellar velocity known.

CALDWELL N., MORRISON H., KENYON S.J., SCHIAVON R., HARDING P. and ROSE J.A.

Abstract (from CDS):

We report on a single star, B030D, observed as part of a large survey of objects in M31, which has the unusual radial velocity of -780 km/s. Based on details of its spectrum, we find that the star is an F supergiant, with a circumstellar shell. The evolutionary status of the star could be one of a post-main-sequence close binary, a symbiotic nova, or less likely, a post-asymptotic giant branch star, which additional observations could help sort out. Membership of the star in the Andromeda Giant Stream can explain its highly negative velocity.

Abstract Copyright: ∼

Journal keyword(s): circumstellar matter - galaxies: individual: M31 - galaxies: kinematics and dynamics - stars: kinematics - supergiants

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 LGGS J004025.26+403926.9 * 00 40 25.30 +40 39 26.9   19.49 19.116     ~ 1 0
2 LGGS J004030.62+404523.8 sg* 00 40 30.6077353992 +40 45 23.751211860 18.8 18.62 18.33 18.1 17.9 A8I 4 0
3 LGGS J004034.00+405358.3 * 00 40 33.9864358968 +40 53 58.297568424   18.48 18.02     FV 4 0
4 LGGS J004117.90+404845.0 * 00 41 17.90 +40 48 45.0   19.47 19.10     ~ 1 0
5 LGGS J004123.97+405249.0 * 00 41 23.9622642696 +40 52 48.764447760   17.15 16.73     ~ 1 0
6 LGGS J004128.60+410229.6 * 00 41 28.5937573800 +41 02 29.556434760   18.72 18.29     ~ 2 0
7 LGGS J004134.97+410537.0 * 00 41 35.00 +41 05 37.0   18.44 17.94     ~ 1 0
8 LGGS J004135.14+410116.3 * 00 41 35.1381785424 +41 01 16.184476056   17.03 16.60     ~ 2 0
9 Bol D30 * 00 41 41.4756375744 +41 03 08.102927736 19.444 19.390 18.968 18.779 18.581 ~ 7 0
10 LGGS J004141.49+410308.2 * 00 41 41.50 +41 03 08.0   19.35 19.22     ~ 1 0
11 LGGS J004201.09+403951.9 sg* 00 42 01.0839109680 +40 39 51.676874028 19.1 18.82 18.46 18.2 17.8 A8-F0I 3 0
12 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2236 2
13 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
14 LGGS J004252.79+404605.6 * 00 42 52.80 +40 46 05.6   18.14 17.75     ~ 1 0
15 BASW 19 s*b 00 43 33.0861943080 +41 12 10.311568308 16.363 17.338 17.325 17.172 17.257 LBV 79 0
16 V* S Dor sg* 05 18 14.3570612088 -69 15 01.149576912 9.08 10.39 10.25 9.74 9.14 Be3 395 0
17 V* LN Hya pA* 12 56 30.1302499344 -26 27 37.047715704   9.104 8.697   9.291 F3Ia 126 0
18 * 89 Her pA* 17 55 25.1883476136 +26 02 59.968457664 5.36 5.70 5.36 5.06 4.94 F2Ibp 421 0
19 V* CI Cyg Sy* 19 50 11.8342618008 +35 41 03.004794996   11.97 9.90     M4.9III 433 0
20 V* PU Vul Sy* 20 21 13.3111130136 +21 34 18.697391652   11.13 10.87 11.697   M3+F2Ib 319 0
21 NAME Local Group GrG ~ ~           ~ 9325 0

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