2002ApJ...572L..79L

Query : 2002ApJ...572L..79L

2002ApJ...572L..79L - Astrophys. J., 572, L79-L81 (2002/June-2)

A distant stellar companion in the υ Andromedae system.

LOWRANCE P.J., KIRKPATRICK J.D. and BEICHMAN C.A.

Abstract (from CDS):

Upsilon Andromedae is an F8 V star known to have an extrasolar system of at least three planets in orbit around it. Here we report the discovery of a low-mass stellar companion to this system. The companion shares common proper motion, lies at a projected separation of ∼750 AU, and has a spectral type of M4.5 V. The effect of this star on the radial velocity of the brighter primary is negligible, but this system provides an interesting test bed for stellar planetary formation theory and understanding dynamical stability since it is the first multiple planetary system known in a multiple stellar system.

Abstract Copyright: ∼

Journal keyword(s): Astrometry - Stars: Binaries: Visual - Stars: Planetary Systems - Stars: Individual: Constellation Name: υ Andromedae - Stars: Low-Mass, Brown Dwarfs

CDS comments: HD 179811B is a misprint for HD 178911B, HD 89774 is a misprint for HD 89744

Simbad objects: 27

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Number of rows : 27
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 142b Pl 00 06 19.1753245111 -49 04 30.671249608           ~ 43 1
2 HD 142 PM* 00 06 19.1753245111 -49 04 30.671249608   6.30 5.76     F7V 250 1
3 * ups And PM* 01 36 47.8415443907 +41 24 19.651368029 4.70 4.64 4.10 3.64 3.35 F9V 963 1
4 * ups And b Pl 01 36 47.8415443907 +41 24 19.651368029           ~ 272 1
5 * ups And c Pl 01 36 47.8415443907 +41 24 19.651368029           ~ 156 1
6 * ups And d Pl 01 36 47.8415443907 +41 24 19.651368029           ~ 164 1
7 * ups And B PM* 01 36 50.4047651407 +41 23 32.122848870       13.65   M4.5V 21 0
8 HD 13445b Pl 02 10 25.9181700303 -50 49 25.465181208           ~ 103 1
9 HD 13445 PM* 02 10 25.9181700303 -50 49 25.465181208   6.945 6.117     K1.5V 456 1
10 * 94 Cet PM* 03 12 46.4365677072 -01 11 45.955808988   5.631 5.070     F8.5V 450 1
11 * 94 Cet b Pl 03 12 46.4365677072 -01 11 45.955808988           ~ 52 1
12 * rho01 Cnc EB* 08 52 35.8111044043 +28 19 50.954994470 7.45 6.82   5.4   K0IV-V 1121 1
13 HD 80606 PM* 09 22 37.5768032712 +50 36 13.435326684   9.78 9.00     G8V 329 2
14 HD 80606b Pl 09 22 37.5768032712 +50 36 13.435326684           ~ 327 1
15 HD 89744 PM* 10 22 10.5618854376 +41 13 46.309698444       5.4   F7V 337 1
16 2MASS J10221489+4114266 BD* 10 22 14.8720836024 +41 14 26.514370356           L0.5 42 0
17 * tau Boo Ro* 13 47 15.7381720026 +17 27 24.809555600 5.02 4.98 4.49 4.09 3.85 F7IV-V 988 1
18 HD 141569 Y*O 15 49 57.7482550392 -03 55 16.341617064 7.22 7.20 7.12 7.00 7.04 A2VekB9mB9(_lB) 540 0
19 HD 178911Bb Pl 19 09 03.0984258744 +34 35 59.474397804           ~ 38 1
20 HD 178911B PM* 19 09 03.0984258744 +34 35 59.474397804   8.71   7.3   G5 142 1
21 HD 178911 SB* 19 09 04.3519341413 +34 36 01.242009328   7.37   6.3   G1V+K1V 135 0
22 * 16 Cyg A ** 19 41 48.9534996168 +50 31 30.219536784 6.79 6.59 5.95 5.50 5.17 G1.5Vb 762 0
23 * 16 Cyg B PM* 19 41 51.9726777456 +50 31 03.089030916 7.07 6.86 6.20 5.76 5.42 G3V 890 1
24 * 16 Cyg Bb Pl 19 41 51.9726777456 +50 31 03.089030916           ~ 127 1
25 HD 195019b Pl 20 28 18.6366815627 +18 46 10.180434472           ~ 69 1
26 HD 195019 PM* 20 28 18.6366815627 +18 46 10.180434472 7.730     6.5   G1V 257 1
27 EGGR 264 WD* 23 19 35.3881861344 -17 05 28.465573380 13.279 14.132 14.111 14.07 14.049 DB3 122 0

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