2017AJ....154..228S

Query : 2017AJ....154..228S

2017AJ....154..228S - Astron. J., 154, 228-228 (2017/December-4)

Know the planet, know the star: precise stellar densities from Kepler transit light curves.

SANDFORD E. and KIPPING D.

Abstract (from CDS):

The properties of a transiting planet's host star are written in its transit light curve. The light curve can reveal the stellar density (ρ*) and the limb-darkening profile in addition to the characteristics of the planet and its orbit. For planets with strong prior constraints on orbital eccentricity, we may measure these stellar properties directly from the light curve; this method promises to aid greatly in the characterization of transiting planet host stars targeted by the upcoming NASA Transiting Exoplanet Survey Satellite mission and any long-period, singly transiting planets discovered in the same systems. Using Bayesian inference, we fit a transit model, including a nonlinear limb-darkening law, to 66 Kepler transiting planet hosts to measure their stellar properties. We present posterior distributions of ρ*, limb-darkening coefficients, and other system parameters for these stars. We measure densities to within 5% for the majority of our target stars, with the dominant precision-limiting factor being the signal-to-noise ratio of the transits. Of our measured stellar densities, 95% are in 3σ or better agreement with previously published literature values. We make posterior distributions for all of our target Kepler objects of interest available online at 10.5281/zenodo.1028515.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): eclipses - planetary systems - planets and satellites: general - methods: data analysis - methods: data analysis

VizieR on-line data: <Available at CDS (J/AJ/154/228): table1.dat table2.dat table3.dat>

Simbad objects: 95

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Number of rows : 95
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 Kepler-8b Pl 18 45 09.1489991376 +42 27 03.891327156           ~ 98 1
2 Kepler-422b Pl 18 50 31.1172439656 +46 19 23.993631336           ~ 47 0
3 Kepler-714b Pl 18 50 47.8787956344 +43 16 21.879398172           ~ 17 0
4 KOI-7430 * 18 51 45.5866751976 +49 03 01.041512832           ~ 11 0
5 KOI-7430.01 Pl? 18 51 45.5866751976 +49 03 01.041512832           ~ 4 0
6 Kepler-546b Pl 18 53 01.8232460016 +40 59 25.695193272           ~ 17 0
7 Kepler-723b Pl 18 59 19.3138934616 +44 39 29.330650836           ~ 17 0
8 KOI-1064 EB* 19 00 15.2066239728 +44 10 04.382400324           ~ 28 0
9 Kepler-686b Pl 19 00 51.3164244000 +39 01 38.813730924           ~ 18 0
10 Kepler-43b Pl 19 00 57.8034040200 +46 40 05.665887660           ~ 62 1
11 KOI-7449 BY* 19 01 30.4096750056 +49 27 42.194440152           ~ 21 0
12 Kepler-211b Pl 19 01 45.3940629072 +43 10 06.527659584           ~ 27 0
13 Kepler-211c Pl 19 01 45.3940629072 +43 10 06.527659584           ~ 31 0
14 Kepler-730b Pl 19 02 13.1572147800 +45 34 43.854430296           ~ 32 0
15 Kepler-1b Pl 19 07 14.0375836512 +49 18 59.091482160           ~ 349 2
16 Kepler-1B * 19 07 14.113 +49 18 58.29           K4.5-6 23 1
17 KOI-6918.01 Pl? 19 10 16.9373509992 +43 31 54.312086136           ~ 4 0
18 KOI-805.01 Pl? 19 10 47.2173188232 +38 53 11.161232304           ~ 9 0
19 Kepler-14b Pl 19 10 50.110176 +47 19 58.87632           ~ 65 1
20 KOI-4351.01 Pl? 19 11 02.2028895744 +40 39 25.386005448           ~ 7 0
21 Kepler-222b Pl 19 11 37.4601602784 +46 56 15.907843212           ~ 21 0
22 Kepler-222c Pl 19 11 37.4601602784 +46 56 15.907843212           ~ 19 0
23 Kepler-222d Pl 19 11 37.4601602784 +46 56 15.907843212           ~ 23 0
24 Kepler-113 Er* 19 11 59.4990081336 +50 56 39.668230356   14.990 13.718 13.477   K4 74 0
25 Kepler-113c Pl 19 11 59.4990081336 +50 56 39.668230356           ~ 35 0
26 Kepler-113b Pl 19 11 59.4990081336 +50 56 39.668230356           ~ 44 0
27 KOI-7259 EB* 19 13 57.8132671848 +46 48 18.007563744           ~ 25 0
28 KOI-5353 EB* 19 13 58.9640816736 +42 41 44.091421620           ~ 15 0
29 Kepler-7b Pl 19 14 19.5623105760 +41 05 23.367379128           ~ 222 1
30 Kepler-319c Pl 19 15 14.8707783264 +39 46 14.405364444           ~ 30 0
31 Kepler-319d Pl 19 15 14.8707783264 +39 46 14.405364444           ~ 27 0
32 Kepler-319b Pl 19 15 14.8707783264 +39 46 14.405364444           ~ 24 0
33 KOI-774.01 Pl? 19 15 56.8385137848 +49 44 01.507444764           ~ 10 0
34 Kepler-682b Pl 19 16 26.9407785024 +51 44 14.618719536           ~ 17 0
35 Kepler-426b Pl 19 17 44.3197671864 +49 28 24.305841048           ~ 32 0
36 Kepler-856b Pl 19 18 24.9203061264 +46 18 53.818199100           ~ 19 0
37 Kepler-77b Pl 19 18 25.9101027984 +44 20 43.571253840           ~ 51 1
38 KOI-5.01 Pl? 19 18 57.5306473320 +44 38 50.618934060           ~ 24 0
39 KOI-607b LM* 19 19 14.1893586444 +40 36 57.043453992           ~ 19 0
40 Kepler-425b Pl 19 21 25.9208083800 +40 34 03.855315612           ~ 37 0
41 Kepler-428b Pl 19 22 19.6164487104 +40 34 38.564097492           ~ 30 0
42 Kepler-1744b Pl 19 24 04.9663555536 +42 27 44.822371608           ~ 24 0
43 KOI-1359.02 Pl? 19 24 04.9663555536 +42 27 44.822371608           ~ 20 0
44 KOI-797.01 Pl? 19 25 07.6629832056 +38 14 30.125930316           ~ 13 0
45 Kepler-323c Pl 19 25 31.7357525064 +38 07 38.897081760           ~ 32 0
46 Kepler-323b Pl 19 25 31.7357525064 +38 07 38.897081760           ~ 31 0
47 Kepler-785b Pl 19 28 16.3968401760 +38 50 32.146033884           ~ 22 0
48 Kepler-1869c Pl 19 30 27.6262767888 +42 45 51.310297152           ~ 21 0
49 Kepler-1869b Pl 19 30 27.6262767888 +42 45 51.310297152           ~ 21 0
50 Kepler-423b Pl 19 31 25.3755434664 +46 23 28.220459784           ~ 39 0
51 Kepler-45b Pl 19 31 29.4966491088 +41 03 51.356401092           ~ 99 1
52 Kepler-110b Pl 19 31 42.9917772960 +48 36 10.124628012           ~ 28 0
53 Kepler-110c Pl 19 31 42.9917772960 +48 36 10.124628012           ~ 29 0
54 Kepler-74b Pl 19 32 22.2086887440 +41 21 19.907283744           ~ 48 1
55 KOI-1541.01 err 19 32 46.817 +39 54 26.21           ~ 9 0
56 KOI-1391.01 Pl? 19 34 50.1706927128 +45 17 10.924815048           ~ 13 0
57 Kepler-216b Pl 19 34 54.7439890176 +46 07 44.903138916           ~ 24 0
58 Kepler-216c Pl 19 34 54.7439890176 +46 07 44.903138916           ~ 28 0
59 Kepler-685b Pl 19 35 29.2598583840 +38 25 22.609698816           ~ 21 0
60 Kepler-702b Pl 19 35 30.7406614152 +41 39 42.315610644           ~ 20 0
61 Kepler-114b Pl 19 36 29.1357624552 +48 20 58.291722816           ~ 32 0
62 Kepler-114d Pl 19 36 29.1357624552 +48 20 58.291722816           ~ 35 0
63 Kepler-114c Pl 19 36 29.1357624552 +48 20 58.291722816           ~ 38 0
64 Kepler-76b Pl 19 36 46.1090731584 +39 37 08.340641364           ~ 61 1
65 Kepler-418b Pl 19 37 44.0464719096 +38 21 19.662546276           ~ 35 0
66 Kepler-418c Pl 19 37 44.0464719096 +38 21 19.662546276           ~ 30 0
67 Kepler-321c Pl 19 37 48.8858184840 +44 08 44.796081732           ~ 23 0
68 Kepler-321b Pl 19 37 48.8858184840 +44 08 44.796081732           ~ 21 0
69 Kepler-41b Pl 19 38 03.1746869808 +45 58 53.877058284           ~ 79 1
70 KOI-3913.01 Pl? 19 38 27.0045949056 +47 20 35.715958944           ~ 12 0
71 Kepler-485b Pl 19 39 59.1150655776 +50 28 12.194378292           ~ 26 0
72 Kepler-855b Pl 19 40 22.7954595144 +43 32 15.253749060           ~ 18 0
73 KOI-823.01 Pl? 19 44 01.6687543512 +40 17 43.480688928           ~ 14 0
74 Kepler-15b Pl 19 44 48.1365025872 +49 08 24.297539028           ~ 61 1
75 Kepler-731b Pl 19 45 34.3632953784 +45 34 06.816377604           ~ 20 0
76 NAME KIC 7767559b Pl? 19 45 38.4462585912 +43 27 19.323182088           ~ 13 0
77 KOI-728.01 Pl? 19 46 34.1491502904 +47 13 49.134574272           ~ 15 0
78 Kepler-6b Pl 19 47 20.9379557640 +48 14 23.759029608           ~ 106 1
79 Kepler-670b Pl 19 48 03.7152956904 +49 13 31.134289188           ~ 23 0
80 Kepler-433b Pl 19 50 22.4722397592 +40 58 38.154033120           ~ 27 0
81 KOI-1227.01 Pl? 19 50 49.7128745352 +42 02 50.518650768           ~ 11 0
82 KOI-611.01 Pl? 19 53 10.5711637968 +41 41 01.737321144           ~ 21 0
83 KOI-2925.01 Pl? 19 53 11.5580476512 +42 26 03.673276116           ~ 14 0
84 KOI-1793.01 Pl? 19 53 16.0119109680 +40 59 45.938502672           ~ 14 0
85 Kepler-318b Pl 19 53 55.8772899792 +46 47 37.043589948           ~ 29 0
86 Kepler-318c Pl 19 53 55.8772899792 +46 47 37.043589948           ~ 29 0
87 Kepler-720b Pl 19 54 32.5577334264 +44 10 15.391105644           ~ 20 0
88 KOI-5157.01 Pl? 19 55 35.2198897584 +40 34 42.795523704           ~ 3 0
89 KOI-5157 RG* 19 55 35.2198897584 +40 34 42.795523704   12.57 11.58     ~ 17 0
90 Kepler-471b Pl 19 56 23.4090904944 +43 29 51.340532928           ~ 25 0
91 Kepler-718b Pl 19 58 14.8546391280 +43 30 12.810989196           ~ 19 0
92 KOI-1075.01 Pl? 19 58 48.1606219800 +47 17 30.174152820           ~ 5 0
93 KOI-1066.01 Pl? 19 59 08.7190563840 +44 10 10.416683640           ~ 18 0
94 Kepler-548b Pl 19 59 37.4206571400 +45 26 22.831393344           ~ 22 0
95 Kepler-44b Pl 20 00 24.5656977240 +45 45 43.762595112           ~ 46 1

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