2018AJ....155..177D


Query : 2018AJ....155..177D

2018AJ....155..177D - Astron. J., 155, 177-177 (2018/April-0)

Stellar obliquity and magnetic activity of planet-hosting stars and eclipsing binaries based on transit chord correlation.

DAI F., WINN J.N., BERTA-THOMPSON Z., SANCHIS-OJEDA R. and ALBRECHT S.

Abstract (from CDS):

The light curve of an eclipsing system shows anomalies whenever the eclipsing body passes in front of active regions on the eclipsed star. In some cases, the pattern of anomalies can be used to determine the obliquity Ψ of the eclipsed star. Here we present a method for detecting and analyzing these patterns, based on a statistical test for correlations between the anomalies observed in a sequence of eclipses. Compared to previous methods, ours makes fewer assumptions and is easier to automate. We apply it to a sample of 64 stars with transiting planets and 24 eclipsing binaries for which precise space-based data are available, and for which there was either some indication of flux anomalies or a previously reported obliquity measurement. We were able to determine obliquities for 10 stars with hot Jupiters. In particular we found Ψ <= 10° for Kepler-45, which is only the second M dwarf with a measured obliquity. The other eight cases are G and K stars with low obliquities. Among the eclipsing binaries, we were able to determine obliquities in eight cases, all of which are consistent with zero. Our results also reveal some common patterns of stellar activity for magnetically active G and K stars, including persistently active longitudes.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): binaries: eclipsing - planetary systems - planets and satellites: general - stars: activity - stars: rotation - starspots

VizieR on-line data: <Available at CDS (J/AJ/155/177): table1.dat table2.dat>

Simbad objects: 124

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Number of rows : 124
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 WASP-118 EB* 01 18 12.1380145320 +02 42 10.253096496   11.56 11.04 10.98   ~ 19 0
2 WASP-118b Pl 01 18 12.1381133664 +02 42 10.251289466           ~ 11 0
3 NGTS-1b Pl 05 30 51.4522866697 -36 37 50.896558281           ~ 37 0
4 HATS-6b Pl 05 52 35.2366541380 -19 01 53.970515066           ~ 42 0
5 CoRoT-19b Pl 06 28 08.0586283720 -00 10 14.532354610           ~ 23 1
6 CoRoT-19 * 06 28 08.0586807504 -00 10 14.532816504   14.780 14.007 14.17 13.00 ~ 25 1
7 CoRoT-15b BD? 06 28 27.8204 +06 11 10.477   17.012 15.997 15.807   ~ 42 1
8 CoRoT-20b Pl 06 30 52.9022405280 +00 13 36.858471822           ~ 32 1
9 CoRoT-18 * 06 32 41.3776636176 -00 01 53.725599732   15.8 15.00 14.9 14.05 ~ 38 2
10 CoRoT-18b Pl 06 32 41.3777044284 -00 01 53.725631349           ~ 34 1
11 CoRoT-12b Pl 06 43 03.7631594742 -01 17 47.143598336           ~ 31 1
12 CoRoT-7b Pl 06 43 49.4690410679 -01 03 46.825797768           ~ 378 1
13 CoRoT-21b Pl 06 44 12.6302250707 -00 17 56.987010804           ~ 21 2
14 CoRoT-5b Pl 06 45 06.5406880497 +00 48 54.906888317           ~ 43 1
15 CoRoT-24b Pl 06 47 41.4116571586 -03 43 09.483794512           ~ 19 0
16 CoRoT-1b Pl 06 48 19.1724141241 -03 06 07.710423478           ~ 163 1
17 CoRoT-4b Pl 06 48 46.7133639143 -00 40 21.969520601           ~ 61 1
18 CoRoT-13b Pl 06 50 53.0726687117 -05 05 11.190142526           ~ 32 1
19 CoRoT-14b Pl 06 53 41.8086658726 -05 32 09.682886897           ~ 34 1
20 Ross 905 PM* 11 42 11.0933350978 +26 42 23.650782778   12.06 10.613 10.272 8.24 M3V 574 1
21 Ross 905b Pl 11 42 11.0933874353 +26 42 23.658083337           ~ 710 1
22 NAME BD+07 2474Ab Pl 11 43 38.0082029701 +06 33 49.452204772           ~ 13 0
23 BD+07 2474 EB* 11 43 38.016288 +06 33 49.41900   11.15 10.41 10.34   G0 31 0
24 K2-235b Pl 12 33 32.8440958980 -10 08 46.223886777           ~ 107 0
25 WASP-107 PM* 12 33 32.8441110816 -10 08 46.225572324   14.62 11.47     K7V 42 0
26 WASP-55b Pl 13 35 01.9537539030 -17 30 12.526334825           ~ 22 1
27 WASP-55 * 13 35 01.9537865424 -17 30 12.527623872   12.69 11.75     G1 43 1
28 Qatar 2 PM* 13 50 37.4100326640 -06 48 14.421574044   14.0   13.45   K5V 56 1
29 Qatar 2b Pl 13 50 37.4100427817 -06 48 14.419877691           ~ 34 1
30 CD-27 10695b Pl 15 59 50.9489706053 -28 03 42.309432433           ~ 221 1
31 CoRoT-27b Pl 18 33 58.9993177726 +05 32 18.323225693           ~ 16 0
32 CoRoT-16b Pl 18 34 05.9188253411 -06 00 09.244766297           ~ 22 2
33 CoRoT-28b Pl 18 34 45.2033303542 +05 34 25.391346279           ~ 9 0
34 CoRoT-17b Pl 18 34 47.8213622401 -06 36 44.111908316           ~ 25 1
35 CoRoT-29b Pl 18 35 36.5004967175 +06 28 46.675660718           ~ 11 0
36 CoRoT-26b Pl 18 39 00.1185177071 +06 58 11.330423277           ~ 10 1
37 CoRoT-23b Pl 18 39 07.8405532613 +04 21 28.034647444           ~ 20 1
38 CoRoT-25b Pl 18 42 31.1200588130 +06 30 49.746375398           ~ 10 1
39 CoRoT-22b Pl 18 42 40.1113034633 +06 13 08.983433472           ~ 12 1
40 CoRoT-11 EB* 18 42 44.9499236256 +05 56 15.652972716   13.73 12.939     F6V 45 1
41 CoRoT-11b Pl 18 42 44.9499508376 +05 56 15.652163640           ~ 40 1
42 CoRoT-9b Pl 18 43 08.8101080314 +06 12 14.912939950           ~ 62 1
43 CoRoT-6b Pl 18 44 17.4077888929 +06 39 47.513854490           ~ 42 1
44 Kepler-8b Pl 18 45 09.1489711922 +42 27 03.891516422           ~ 85 1
45 Kepler-8 Ro* 18 45 09.1489991376 +42 27 03.891327156           F6V 98 1
46 KOI-6167 EB* 18 52 15.9054098640 +43 44 36.824742420           ~ 18 0
47 KOI-1539 EB* 18 58 39.3598824600 +43 59 06.055701144           ~ 23 0
48 Kepler-25 Ro* 19 06 33.2141354736 +39 29 16.358725104   11.32 10.77 10.598   ~ 132 1
49 Kepler-25c Pl 19 06 33.2143323702 +39 29 16.357969502           ~ 74 1
50 Kepler-1b Pl 19 07 14.0379171930 +49 18 59.090895318           ~ 303 2
51 Kepler-1B * 19 07 14.113 +49 18 58.29           K4.5-6 23 1
52 BD+46 2629 Er* 19 07 53.104944 +46 52 06.00420   10.12 9.70 9.80   A0 143 0
53 NAME BD+46 2629Ab Pl 19 07 53.1396671301 +46 52 05.931203366           ~ 140 1
54 BD+46 2629A * 19 07 53.1397066992 +46 52 05.922122844           ~ 37 1
55 Kepler-522b Pl 19 12 36.9594095089 +44 04 07.775667711           ~ 24 0
56 Kepler-7b Pl 19 14 19.5623271934 +41 05 23.365460942           ~ 184 1
57 KOI-6117 EB* 19 15 39.6816699600 +39 48 17.952979464           G5 16 0
58 Kepler-63 Ro* 19 16 54.2861367672 +49 32 53.451062520   12.36 12.02     G5 92 1
59 Kepler-63b Pl 19 16 54.2861871448 +49 32 53.450828682           ~ 56 1
60 HATS-11b Pl 19 17 36.1800821416 -22 23 23.721047583           ~ 17 0
61 HATS-11 * 19 17 36.1801425096 -22 23 23.721674100   14.657 14.018     ~ 13 0
62 KOI-6616 EB* 19 20 36.8026298424 +40 54 05.833014876           G0 14 0
63 KOI-1003 RS* 19 21 18.6969974520 +37 43 36.184313172   17.461 16.524 15.929   G8IV-V 28 0
64 KOI-1543 EB* 19 21 47.3733769440 +40 26 34.436284908           G0V 24 0
65 HATS-9 * 19 23 14.4313681872 -20 09 58.848967836   14.080 13.276     ~ 19 0
66 HATS-9b Pl 19 23 14.4314651167 -20 09 58.849138687           ~ 21 0
67 KOI-6055 EB* 19 23 34.0096796616 +44 10 07.771544364           ~ 12 0
68 CoRoT-10b Pl 19 24 15.2868183023 +00 44 46.003932819           ~ 49 1
69 KOI-1729 EB* 19 24 21.9931410120 +42 03 30.517883568           ~ 18 0
70 Kepler-420 Ro* 19 24 54.0364030656 +44 55 38.524017504   15.830 14.867     G5V 51 0
71 Kepler-420b Pl 19 24 54.0384866371 +44 55 38.518268700           ~ 33 0
72 Kepler-762 Ro* 19 25 06.1559518944 +47 19 46.243924392           ~ 25 0
73 Kepler-762b Pl 19 25 06.1560719922 +47 19 46.242996366           ~ 17 0
74 KOI-637 EB* 19 26 15.2056353624 +40 16 03.941516136           ~ 17 0
75 CoRoT-8b Pl 19 26 21.2426686221 +01 25 35.178176730           ~ 48 1
76 CoRoT-2 * 19 27 06.4944378024 +01 23 01.359897468   13.422 12.568 12.204 11.49 G7V+K9V 229 2
77 CoRoT-2b Pl 19 27 06.4944821296 +01 23 01.357597206           ~ 213 1
78 KOI-7545 EB* 19 27 43.2200213736 +39 04 19.397485020           ~ 26 0
79 V* V461 Lyr EB* 19 27 55.2610892472 +41 33 33.903706644     12.905   11.753 ~ 29 0
80 CoRoT-3 EB* 19 28 13.2642131544 +00 07 18.613986132   14.199 13.292 13.099 12.54 F3V 70 1
81 CoRoT-3b Pl 19 28 13.2642482783 +00 07 18.614302248           ~ 126 1
82 BD+47 2846b Pl 19 28 59.3538131541 +47 58 10.216250846           ~ 332 1
83 BD+47 2846 Er* 19 28 59.3538826128 +47 58 10.217007804   10.97 10.48     F6V 282 2
84 KOI-6031 EB* 19 30 31.4687922696 +42 10 50.783689596           ~ 14 0
85 Kepler-423 Ro* 19 31 25.3755434664 +46 23 28.220459784           ~ 53 0
86 Kepler-423b Pl 19 31 25.3755529467 +46 23 28.219647148           ~ 31 0
87 KOI-606 EB* 19 31 28.894 +40 06 19.21           ~ 17 0
88 Kepler-45 Ro* 19 31 29.4966491088 +41 03 51.356401092     16.88 16.63   M1V 81 1
89 Kepler-45b Pl 19 31 29.4966619067 +41 03 51.356309221           ~ 69 1
90 Kepler-74b Pl 19 32 22.2087182061 +41 21 19.907618268           ~ 38 1
91 KOI-6537 EB* 19 34 38.4254635344 +40 21 51.176534292           ~ 19 0
92 KOI-1223 * 19 35 15.1036453992 +42 02 55.401598968           ~ 13 1
93 KOI-1545 EB* 19 35 20.8548445368 +40 24 37.562735268           ~ 12 0
94 KOI-831 EB* 19 36 13.6334758464 +40 32 58.841489040           ~ 14 0
95 KOI-1786 EB* 19 36 49.6762992816 +38 13 24.460556448           K1V 31 1
96 Kepler-71b Pl 19 39 27.7155063029 +46 17 08.942790311           ~ 24 1
97 Kepler-71 Ro* 19 39 27.7155573840 +46 17 08.941351920       15.35   G8V 49 1
98 Kepler-485b Pl 19 39 59.1150173788 +50 28 12.194143031           ~ 20 0
99 KOI-182 EB* 19 42 41.1154269672 +40 35 56.703235200           ~ 17 0
100 KOI-212.01 Pl? 19 44 33.5492559884 +41 36 11.405519316           ~ 10 0
101 KOI-895 Ro* 19 45 38.4462585912 +43 27 19.323182088           ~ 30 0
102 NAME KIC 7767559b Pl? 19 45 38.4465073647 +43 27 19.323441483           ~ 12 0
103 KOI-1741 Ro* 19 45 58.4592234552 +44 03 08.346686076           ~ 13 0
104 KOI-883.01 Pl? 19 46 43.9373936610 +42 58 04.356406068           ~ 19 0
105 KOI-883 Ro* 19 46 43.9374116784 +42 58 04.356492672           K2V 37 0
106 Kepler-96b Pl 19 48 16.7136858355 +40 31 30.522355499           ~ 40 0
107 Kepler-494b Pl 19 48 51.3743061811 +41 39 50.504971010           ~ 11 0
108 Kepler-448 Er* 19 49 48.8933114592 +41 00 39.630681720   11.73 11.51     F5IV 63 0
109 Kepler-448b Pl 19 49 48.8934839086 +41 00 39.627563600           ~ 39 0
110 BD+47 2936 EB* 19 50 50.2472976936 +48 04 51.101390496       8.8   K4V 258 2
111 BD+47 2936b Pl 19 50 50.2474562793 +48 04 51.097364378           ~ 353 1
112 KOI-1120 EB* 19 51 01.6999493832 +41 40 49.631721132           ~ 29 0
113 KOI-425.01 Pl? 19 51 53.8390429252 +46 48 16.332831905           ~ 9 0
114 Kepler-17b Pl 19 53 34.8642919207 +47 48 54.049941399           ~ 87 1
115 Kepler-17 Ro* 19 53 34.8643397568 +47 48 54.049530564   14.6   13.6   G5V 133 1
116 KOI-6730 EB* 19 54 10.1965128504 +41 57 11.520912168           G6V 19 0
117 Kepler-471b Pl 19 56 23.4090867500 +43 29 51.339400869           ~ 19 0
118 Kepler-539b Pl 19 56 29.3872177213 +41 52 00.317939998           ~ 36 0
119 KOI-6561 EB* 19 56 51.3387961368 +40 27 30.187216476           ~ 15 0
120 Kepler-548b Pl 19 59 37.4206419285 +45 26 22.831037462           ~ 17 0
121 WASP-47 * 22 04 48.7261549272 -12 01 07.998743676     11.99 11.82   ~ 130 1
122 WASP-47b Pl 22 04 48.7262032385 -12 01 08.000987005           ~ 74 1
123 BD-11 5929 PM* 22 49 32.5676223552 -10 40 31.926201744   12.05 11.46     ~ 24 1
124 BD-11 5929b Pl 22 49 32.5677295169 -10 40 31.927452935           ~ 17 1

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2022.08.09-03:41:49

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