2012MNRAS.421.2498G

Query : 2012MNRAS.421.2498G

2012MNRAS.421.2498G - Mon. Not. R. Astron. Soc., 421, 2498-2509 (2012/April-2)

A lucky imaging multiplicity study of exoplanet host stars.

GINSKI C., MUGRAUER M., SEELIGER M. and EISENBEISS T.

Abstract (from CDS):

To understand the influence of additional wide stellar companions on planet formation, it is necessary to determine the fraction of multiple stellar systems amongst the known extrasolar planet population.

We target recently discovered radial velocity exoplanetary systems observable from the Northern hemisphere and with sufficiently high proper motion to detect stellar companions via direct imaging. We utilize the Calar Alto 2.2-m telescope in combination with its lucky imaging camera AstraLux.

71 planet host stars have been observed so far, yielding one new low-mass (0.239±0.022 M☉) stellar companion, 4.5 arcsec (227 au of projected separation) north-east of the planet host star HD 185269, detected via astrometry with AstraLux. We also present follow-up astrometry on three previously discovered stellar companions, showing for the first time common proper motion of the 0.5-arcsec companion to HD 126614. Additionally, we determined the achieved detection limits for all targets, which allow us to characterize the detection space of possible further companions of these stars.


Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): techniques: high angular resolution - binaries: close - stars: individual: HD 126614 - stars: individual: HD 185269

VizieR on-line data: <Available at CDS (J/MNRAS/421/2498): table6.dat table7.dat>

CDS comments: In section 5, "HD 216614 C" is NLTT 37349 in Simbad.

Simbad objects: 81

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Number of rows : 81
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 1461 PM* 00 18 41.8676757921 -08 03 10.803829898   7.14 6.46     G3VFe0.5 372 1
2 BD-17 63 PM* 00 28 34.3058646583 -16 13 34.837444133   10.77 9.720 9.666   K4Vk: 65 1
3 HAT-P-19 * 00 38 04.0135699416 +34 42 41.553538560   13.834 12.853 12.611   K1V 36 1
4 HD 4203 PM* 00 44 41.2002505536 +20 26 56.138079876       8.2   G6V 140 1
5 HD 5319 * 00 55 01.3998443472 +00 47 22.401372408   9.03 8.05     K0III 102 1
6 CD-23 395 PM* 01 06 02.0495101320 -22 27 11.350993068   11.29 10.21     ~ 60 1
7 HD 6718 PM* 01 07 48.6630425064 -08 14 01.330721808   9.087 8.45     G5V 103 1
8 HD 7924 * 01 21 59.1137270904 +76 42 37.038255120   8.018 7.167     K0.5V 143 1
9 HD 8673 PM* 01 26 08.7863698584 +34 34 46.931774304   6.82 6.34 6.1   F7V 115 1
10 HD 9446 PM* 01 33 20.1847092432 +29 15 54.539434692   9.03   8.0   G5V 69 1
11 HD 13931 PM* 02 16 47.3787138792 +43 46 22.786242816       7.2   G0 96 1
12 * 30 Ari B PM* 02 36 57.7454168256 +24 38 53.000422908   7.59 7.09     F6V 143 1
13 HD 16175 PM* 02 37 01.9111780656 +42 03 45.468531972   7.92 7.28     G2 77 1
14 HD 16760 ** 02 42 21.3134499936 +38 37 07.231908072   9.45 8.76     G2V 86 1
15 HD 17092 * 02 46 22.1182598088 +49 39 11.095466760   9.00 7.73     K2III 46 1
16 CD-23 1056 PM* 02 46 42.8869269570 -23 05 11.802392748 12.911 11.651 10.237 9.36 8.544 K5V 64 1
17 HD 17156 PM* 02 49 44.4871034544 +71 45 11.629235988   8.78 8.16     F9V 174 2
18 HD 22781 PM* 03 40 49.5243423552 +31 49 34.652692848   9.628 8.766 8.45   K0 49 1
19 * eps Tau ** 04 28 37.0002551195 +19 10 49.563140930 5.42 4.54 3.53     G9.5IIICN0.5 591 1
20 HD 32518 PM* 05 09 36.7203662520 +69 38 21.854780160 8.550 7.530 6.420     K1III 56 1
21 HD 34445 PM* 05 17 40.9803494808 +07 21 12.053055060   7.97 7.33     G0 98 1
22 HD 33564 PM* 05 22 33.5306004096 +79 13 52.142643912       4.8   F7V 170 1
23 HD 38801 PM* 05 47 59.1754801416 -08 19 39.720746928   9.14 8.27     G8IV 53 1
24 HD 45652 PM* 06 29 13.1919972192 +10 56 02.005903500       7.6   K5 68 1
25 * 6 Lyn PM* 06 30 47.1075901469 +58 09 45.479816893   6.798 5.855 6.95   K0.5IIIbFe0.5 122 1
26 HD 68988 PM* 08 18 22.1728652088 +61 27 38.595044628   8.84 8.19     G1V 155 2
27 HD 73534 PM* 08 39 15.8031501864 +12 57 37.346867496   9.21 8.24     G5 57 1
28 HD 74156 PM* 08 42 25.1219511432 +04 34 41.145751740       7.2   G1V 227 2
29 HD 75898 PM* 08 53 50.8052389824 +33 03 24.520566888   8.67 8.03 10.6   G0 77 1
30 * 41 Lyn PM* 09 28 39.9886724904 +45 36 05.331128364   6.389 5.393 6.54   K0III 79 1
31 HD 87883 PM* 10 08 43.1405863056 +34 14 32.146654632   8.54 7.55     K0V 111 1
32 * 24 Sex PM* 10 23 28.3698081504 -00 54 08.092603368   7.400 6.441 6.41   K0IV 76 1
33 Ross 1003 PM* 11 41 44.6358403057 +42 45 07.102117090   13.36 13.795 11.524 9.18 M4.0V 139 1
34 Ross 905 PM* 11 42 11.0933350978 +26 42 23.650782778   12.06 10.613 10.272 8.24 M3V 644 1
35 HD 104985 HB* 12 05 15.1171894272 +76 54 20.642733144       5.2   G8.5IIIb 153 1
36 HD 106221 * 12 13 07.9507132440 +67 04 24.278085804   9.04 8.60 8.92   F8 13 0
37 HD 107148 PM* 12 19 13.4910214488 -03 19 11.239255452   8.72 8.02 8.888   G5V 129 1
38 HD 109246 PM* 12 32 07.1875354896 +74 29 22.368077052       8.43   G0V 39 1
39 * chi Vir ** 12 39 14.7669620640 -07 59 44.033845848   5.886 4.643 6.45   K2+IIICN0.5 147 1
40 HD 114783 PM* 13 12 43.7855575272 -02 15 54.130663296 9.137 8.469 7.550 7.053 6.627 K1V 192 1
41 * 61 Vir PM* 13 18 24.3139864471 -18 18 40.297748582 5.710 5.440 4.740     G6.5V 672 1
42 HD 116206 * 13 21 48.6817008984 +17 45 55.740233880   8.16 7.80     F0 38 0
43 HD 118203 EB* 13 34 02.5393988472 +53 43 42.698012376   8.75 8.06     G0V 91 1
44 HD 119750 * 13 45 10.4335750704 -03 18 54.833731920   8.82 8.58 9.21   A9V 16 0
45 * tau Boo B * 13 47 15.3324773299 +17 27 26.432463096     11.1     M3V 33 0
46 * tau Boo Ro* 13 47 15.7381720026 +17 27 24.809555600 5.02 4.98 4.49 4.09 3.85 F7IV-V 987 1
47 HD 125612 PM* 14 20 53.5176649416 -17 28 53.489705520   8.93 8.32     G3V 122 1
48 LP 680-57 PM* 14 26 45.8363969472 -05 10 19.427937780       15.77   M4.5 16 0
49 HD 126614 PM* 14 26 48.2794944240 -05 10 40.013055624   9.662 8.787     G8IV 109 1
50 HD 128311 BY* 14 36 00.5602765558 +09 44 47.454573266 9.232 8.441 7.446 6.895 6.425 K3V 310 1
51 HD 131040 * 14 49 32.3819971776 +51 22 28.211698236 6.840 6.860 6.480     F3V 48 0
52 HD 132406 PM* 14 56 54.6513840960 +53 22 55.806486636 9.300 9.100   8.1   G0V 62 1
53 HD 136418 PM* 15 19 06.1820919020 +41 43 59.542136046 9.480 8.810   7.3   G5 42 1
54 * iot Dra V* 15 24 55.7738042889 +58 57 57.837111857 5.68 4.45 3.29 2.51 1.91 K2III 409 1
55 * kap CrB PM* 15 51 13.9312943632 +35 39 26.573691158 6.69 5.82 4.82 4.06 3.57 K1IVa 265 1
56 * 14 Her PM* 16 10 24.3156759007 +43 49 03.507406809   7.57   6.1   K0V 452 1
57 HD 148427 RG* 16 28 28.1511991416 -13 23 58.690451904   7.85 6.89     K0III/IV 56 1
58 HD 149026 PM* 16 30 29.6185771608 +38 20 50.308980864   8.75 8.14     G0IV 235 1
59 HD 150706 PM* 16 31 17.5830478008 +79 47 23.197555824   7.622 7.016     G0 213 1
60 HD 149303 * 16 31 47.2275879216 +45 35 53.744910612 5.850 5.78 5.68 7.16   A2Vn_lB 63 0
61 HD 149143 PM* 16 32 51.0507175368 +02 05 05.380313604   8.56 7.89     G3V 101 1
62 BD+25 3173 PM* 16 58 08.8496107083 +25 44 38.974052855 12.342 11.139 9.655 8.685 7.602 M2V 223 1
63 HD 154345 PM* 17 02 36.4038090379 +47 04 54.764174452   7.50   6.3   G9 268 1
64 HD 155358 PM* 17 09 34.6176428924 +33 21 21.085565784       7.0   G0 160 1
65 G 139-21 PM* 17 15 18.9339850845 +04 57 50.066612336       14.394   M4.5V 325 1
66 HD 156668 PM* 17 17 40.4896074192 +29 13 38.018547948       7.8   K3V 80 1
67 HD 164922 PM* 18 02 30.8623420470 +26 18 46.805024012   7.79   6.5   G9V 214 1
68 HD 167042 PM* 18 10 31.6398993768 +54 17 11.592196980   6.89   5.4   K1III 154 1
69 * 42 Dra PM* 18 25 59.1369601368 +65 33 48.531343788   6.005 4.823     K1.5IIIFe-1 167 1
70 HD 173416 PM* 18 43 36.1092769368 +36 33 23.782819428   7.093 6.037     G8 45 1
71 HD 176051B PM* 18 57 01.5359159149 +32 54 05.017085565   8.894 7.84     K1V 15 0
72 HD 176051 SB* 18 57 01.60985 +32 54 04.5723 5.85 5.82   4.9   F9V+K1V 261 1
73 HD 176051A PM* 18 57 01.6366461792 +32 54 04.748586012   5.83 5.277     F9V 30 0
74 HD 183263 * 19 28 24.5713671072 +08 21 29.004515424   8.51 7.86     G6IV 129 1
75 HD 185269 PM* 19 37 11.7411563088 +28 29 59.507007072   7.266 6.669 7.46   G2V 104 1
76 HD 187123 PM* 19 46 58.1122487784 +34 25 10.281404460       7.4   G2V 246 1
77 * ksi Aql ** 19 54 14.8815179040 +08 27 41.235438096   5.759 4.707     G9.5IIIb 143 1
78 HD 200964 PM* 21 06 39.8422794792 +03 48 11.226709188   7.379 6.487     G8IV 88 1
79 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3138 0
80 HD 218566 PM* 23 09 10.7269903047 -02 15 38.682667763   9.641 9.208 9.105 8.73 K3V 106 1
81 * 14 And PM* 23 31 17.4132523248 +39 14 10.314703644   6.24   4.6   G8III 173 1

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