2015A&A...579A.129W

Query : 2015A&A...579A.129W

2015A&A...579A.129W - Astronomy and Astrophysics, volume 579A129-129 (2015/7-1)

A Lucky Imaging search for stellar sources near 74 transit hosts.

WOELLERT M. and BRANDNER W.

Abstract (from CDS):

Many transiting-planet host stars lack high-resolution imaging so that close stellar sources can be missed. Those unknown stars potentially bias the derivation of the planetary and stellar parameters from the transit light curve, regardless of whether they are bound or not. In addition, bound stellar companions interact gravitationally with the exoplanet host star, the disk, and the planets and can thus influence the formation and evolution of the planetary system strongly. We extended our high-resolution Lucky Imaging survey for close stellar sources by 74 transiting-planet host stars. Thirty-nine of these stars lack previous high-resolution imaging, 23 are follow up observations of companions or companion candidates, and the remaining stars have been observed by others with AO imaging but in different bands. We determine the separation of all new and known companion candidates and estimate the flux ratio in the observed bands. All observations were carried out with the Lucky Imaging camera AstraLux Norte at the Calar Alto 2.2m telescope in i' and z' passbands. We find new stellar sources within 1" of HAT-P-27, HAT-P-28, HAT-P-35, WASP-76, and WASP-103 and between 1" and 4" of HAT-P-29 and WASP-56.

Abstract Copyright: ∼

Journal keyword(s): techniques: high angular resolution - binaries: visual - planetary systems

CDS comments: WASP -82 and WASP -90 not in SIMBAD.

Simbad objects: 71

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Number of rows : 71
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 KELT-1 Em* 00 01 26.9168207928 +39 23 01.784206464   11.23 10.63     F5 73 0
2 WASP-44 * 00 15 36.7694650296 -11 56 17.284833996   13.823 13.054 12.988 12.19 ~ 46 1
3 WASP-32 * 00 15 50.8077262344 +01 12 01.588900896   12.06 11.26 11.63 10.89 ~ 57 1
4 HAT-P-28 * 00 52 00.1876130976 +34 43 42.205232532   13.4   13.24   G4 33 1
5 BD+01 316 Em* 01 46 31.8575937456 +02 42 02.030065560   10.13 9.52     F7 105 0
6 BD+00 316 Em* 01 57 03.2039481048 +00 45 31.875052896   11.35 10.56     G2 51 1
7 HAT-P-32 * 02 04 10.2774374568 +46 41 16.212315084   11.79 11.44 11.23   ~ 88 1
8 HAT-P-29 * 02 12 31.4787454416 +51 46 43.563748620   12.30 11.83 11.82   ~ 41 1
9 HAT-P-38 PM* 02 21 31.9803537360 +32 14 46.093339140   13.34 12.51 12.36   G 32 0
10 HD 15082 EB* 02 26 51.0582618096 +37 33 01.736482032   8.41 8.14     kA5hA8mF4 229 1
11 BD-07 436 ** 02 28 37.226 -07 03 38.39   10.87 10.12 10.23   G9 51 0
12 WASP-50 * 02 54 45.1341750384 -10 53 53.025224640   12.43 11.44 11.599   G9V 62 1
13 WASP-11 ** 03 09 28.5433589520 +30 40 24.862993356   12.58 11.57 11.42   K3V 96 1
14 HAT-P-25 * 03 13 44.4981245184 +25 11 50.689343148   14.12 13.15 13.22 11.98 G5 36 1
15 BD+57 793 * 04 21 52.7048156328 +57 49 01.889294952   10.27 9.85     F5V 170 2
16 HAT-P-15 * 04 24 59.5350210144 +39 27 38.312978976   13.02 12.41 11.81   G5 53 1
17 BD-06 1077 * 05 04 19.6323194352 -06 13 47.378185788   11.55 10.94     ~ 56 1
18 HD 33643 PM* 05 13 10.9289282640 +33 19 05.400733872 9.010 8.97 8.540   8.129 F2 78 0
19 HD 42176 * 06 10 39.3452642664 +30 57 25.713412668   9.23 8.71     F7V 71 1
20 WASP-12 * 06 30 32.7966092352 +29 40 20.263502460   12.14 11.57     G0V 358 1
21 HAT-P-54 * 06 39 35.5181974296 +25 28 57.156510144   14.832 13.505     K7 31 0
22 CoRoT-7 * 06 43 49.4690164104 -01 03 46.826642700   12.78 11.73 11.36 10.87 K0V 232 1
23 CoRoT-24 * 06 47 41.4118109352 -03 43 09.483840696       15.60 14.30 ~ 24 1
24 CoRoT-1 * 06 48 19.1723766840 -03 06 07.710745140     13.6 13.44 12.88 G0V 142 2
25 HAT-P-24 Em* 07 15 18.0193656720 +14 15 45.408025008   12.21 11.76 11.71   F8 68 1
26 HAT-P-9 Em* 07 20 40.4564614032 +37 08 26.342829060   12.35 12.34 12.08   F 66 1
27 HAT-P-20 PM* 07 27 39.9488720808 +24 20 11.516231112   12.58 11.35 11.00   K3V 94 1
28 HAT-P-33 Em* 07 32 44.2173520776 +33 50 06.115051104   11.66 11.03 11.10   F4 48 1
29 HAT-P-39 * 07 35 01.9793942688 +17 49 48.235016856     12.422     F4 31 1
30 LP 424-4 PM* 07 59 05.8395356736 +15 23 29.236065000   13.5   11.934   M2.0V 172 1
31 HAT-P-35 * 08 13 00.1784913648 +04 47 13.416267948   12.84 11.59 12.38   ~ 42 1
32 BD+06 1909 Em* 08 15 47.9802408792 +05 50 12.350816484   10.95 10.35     F7 85 1
33 HAT-P-43 Em* 08 35 42.1747382424 +10 12 23.924988648   14.12 13.36 13.17   F9 33 1
34 BD+02 2056 Em* 08 44 25.7031511896 +01 51 36.105474888   11.64 10.83     K1 58 0
35 WASP-36 Em* 08 46 19.2977439552 -08 01 37.015743396   13.1 12.7   12.05 G2 75 1
36 * rho01 Cnc PM* 08 52 35.8111044043 +28 19 50.954994470 7.45 6.82   5.4   K0IV-V 1223 1
37 WASP-65 Em* 08 53 17.8288214088 +08 31 22.809193788   12.39 12.45 11.76   F9 31 1
38 HAT-P-42 * 09 01 22.6491794664 +06 05 50.013869568   12.83 12.17 12.02   ~ 34 1
39 BD+41 2024 * 09 54 34.3869331248 +40 23 16.973758176   10.30 9.82     F2 36 1
40 WASP-43 PM* 10 19 38.0088913464 -09 48 22.605801336   13.782 12.490 12.022 11.10 K7V 182 1
41 WASP-104 * 10 42 24.6022768848 +07 26 06.291154644   12.617 11.789 11.655   G8 32 0
42 WASP-106 Em* 11 05 43.1362759752 -05 04 45.943633812   12.04 11.21     F9 44 0
43 BD+07 2474 ** 11 43 38.016288 +06 33 49.41900   11.15 10.41 10.34   G5 41 0
44 WASP-56 * 12 13 27.8908484520 +23 03 20.427638472   12.72 11.48 10.7 11.388 G6 37 1
45 BD+31 2447 Em* 13 03 55.6466582304 +30 38 24.278530344   10.837 10.337   9.745 F8 61 1
46 BD+00 3088 * 13 41 49.0301166312 -00 07 41.032748568   11.01 10.41 10.0 9.773 F8 52 1
47 Qatar 2 PM* 13 50 37.4100326640 -06 48 14.421574044   14.0   13.45   K5V 72 1
48 HAT-P-44 * 14 12 34.5714083256 +47 00 53.044781616   13.2 13.21 12.83 12.31 ~ 43 1
49 BD+22 2716 * 14 33 06.3571702344 +21 53 40.981395876   10.194 9.745     F5V 112 1
50 HAT-P-27 * 14 51 04.1870399712 +05 56 50.548526376   13.18 12.19 11.98 11.23 G8 71 1
51 WASP-57 V* 14 55 16.8228361512 -02 03 27.599615424   13.6 13.04 12.90 12.243 G6 35 1
52 WASP-103 * 16 37 15.5765824488 +07 11 00.109678740     12.1     F8V 83 1
53 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
54 TOI-2124b Pl 17 53 13.0489562760 +37 12 42.586493328           ~ 228 2
55 HAT-P-46 * 18 01 46.6085289960 -02 58 15.458098944   12.9 11.94 11.62 11.07 ~ 31 1
56 HAT-P-45 * 18 17 29.5774338144 -03 22 51.737462436   13.7 12.79 12.32 11.68 F5 25 1
57 CoRoT-11 EB* 18 42 44.9499236256 +05 56 15.652972716   13.488 12.869 12.869   F6V 57 1
58 Kepler-1651 Er* 18 54 30.7994107320 +48 23 27.663646164   15.36 13.81 13.49   M2V 68 1
59 BD+46 2629 ** 19 07 53.104944 +46 52 06.00420   10.12 9.70 9.80   kA2hA5mA7(IV)m: 173 0
60 G 205-57 ** 19 10 14.284032 +46 57 24.10632   14.93 13.38 13.01   dM3.5 72 0
61 Kepler-63 Er* 19 16 54.2861367672 +49 32 53.451062520   12.449 11.733 11.701   G2V 145 1
62 CoRoT-2 * 19 27 06.4944378024 +01 23 01.359897468   13.422 12.568 12.204 11.49 G7V+K9V 267 2
63 CoRoT-3 EB* 19 28 13.2642131544 +00 07 18.613986132   14.199 13.292 13.099 12.54 F3V 86 1
64 Kepler-419 EB* 19 41 40.2991189536 +51 11 05.168339880   13.498 13.036 13.088   ~ 98 1
65 HAT-P-41 * 19 49 17.4398486136 +04 40 20.786070360   11.65 11.36     ~ 56 1
66 Kepler-89 Ro* 19 49 19.9343204784 +41 53 28.006017936           ~ 175 1
67 TrES-5 Pl 20 20 53.2481854560 +59 26 55.575277296           ~ 58 2
68 HD 340099 * 20 21 45.9296022840 +26 41 33.605958552   10.675 10.326   9.597 A8 33 0
69 BD-05 5432 PM* 21 00 06.1968214728 -05 05 40.034944176   10.93 9.87     ~ 103 1
70 HD 358155 ** 21 01 54.480000 -13 25 59.71008   11.75 10.79 11.12   G4+K3 25 1
71 WASP-30 * 23 53 38.0549675760 -10 07 05.095516692   12.15 11.91 11.51 10.83 F8V 53 0

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