2015MNRAS.448.1956S

Query : 2015MNRAS.448.1956S

2015MNRAS.448.1956S - Mon. Not. R. Astron. Soc., 448, 1956-1972 (2015/April-1)

The period ratio distribution of Kepler's candidate multiplanet systems.

STEFFEN J.H. and HWANG J.A.

Abstract (from CDS):

We calculate and analyse the distribution of period ratios observed in systems of Kepler exoplanet candidates including studies of both adjacent planet pairs and all planet pairs. These distributions account for both the geometrical bias against detecting more distant planets and the effects of incompleteness due to planets missed by the data reduction pipeline. In addition to some of the known features near first-order mean-motion resonances (MMRs), there is a significant excess of planet pairs with period ratios near 2.2. The statistical significance of this feature is assessed using Monte Carlo simulation. We also investigate the distribution of period ratios near first-order MMR and compare different quantities used to measure this distribution. We find that beyond period ratios of ∼ 2.5, the distribution of all period ratios follows a power law with an exponent -1.26±0.05. We discuss implications that these results may have on the formation and dynamical evolution of Kepler-like planetary systems-systems of sub-Neptune/super-Earth planets with relatively short orbital periods.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): methods: data analysis - methods: statistical - planets and satellites: dynamical evolution and stability - planets and satellites: formation

Simbad objects: 84

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Number of rows : 84
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-102 PM* 18 45 55.8559851072 +47 12 28.845259020   12.58 12.07 11.510   K3V 137 0
2 Kepler-83 Er* 18 48 55.8020067360 +43 39 56.249582760       15.914   M0V 67 1
3 Kepler-139 Er* 18 49 34.0590031152 +43 53 21.647525460   12.569 12.031 12.651   G8IV-V 80 0
4 Kepler-202 PM* 18 51 53.6226350136 +41 19 19.239370140   15.232 14.160 13.945   K0V 54 0
5 Kepler-298 Ro* 18 52 09.5526737544 +48 49 31.316827260           ~ 44 0
6 Kepler-299 Ro* 18 52 49.6707822504 +48 34 49.794434544           ~ 65 0
7 Kepler-297 Er* 18 52 50.1951598032 +48 46 39.435391848   15.031 14.351 14.299   ~ 73 0
8 Kepler-132 Er* 18 52 56.5641599064 +41 20 34.997513460   12.49 11.92 11.768   G1 105 0
9 Kepler-172 Er* 18 53 28.4170433352 +41 49 18.551185212   15.627 14.702 14.517   G8 75 0
10 Kepler-301 Ro* 18 55 55.8992978160 +49 13 58.711633932           F9 61 0
11 Kepler-200 Ro* 18 57 38.3804563680 +41 14 14.854810632           G3 58 0
12 Kepler-90 EB* 18 57 44.0383126392 +49 18 18.496454184   14.604 13.896 13.713   G2 155 0
13 Kepler-26 Er* 18 59 45.8408222304 +46 33 59.437703052   17.203 15.982 15.568   M0V 104 1
14 Kepler-55 Er* 19 00 40.4013750408 +44 01 35.369032296       15.929   K5 92 1
15 Kepler-30 Er* 19 01 08.0746104528 +38 56 50.218268856   16.50   15.767 14.55 ~ 180 1
16 Kepler-551 Ro* 19 01 56.4023137800 +48 03 15.498023004           M1V 44 0
17 Kepler-9 Er* 19 02 17.7544327200 +38 24 03.176851896     13.9 13.791   G2 223 1
18 Kepler-169 Er* 19 03 59.9740327176 +40 55 09.611690772   15.451 14.410 14.283   ~ 77 0
19 Kepler-177 Er* 19 04 11.3086186360 +45 03 11.548856286   15.885 15.078 15.110   ~ 74 0
20 Kepler-235 Er* 19 04 18.9842922480 +39 16 41.945483928       16.051   M0V 83 0
21 Kepler-404 Er* 19 05 35.6671241280 +45 20 36.742940232   16.335 15.441 15.171   ~ 45 0
22 Kepler-52 Er* 19 06 57.1300334784 +49 58 32.637931608   17.108 15.716 15.217   M0V 77 1
23 Kepler-178 Er* 19 08 24.2565925224 +46 53 47.360614236   15.493 14.788 14.550   ~ 64 0
24 Kepler-1185 SB* 19 08 57.8786105808 +39 19 57.933753168           F9 54 0
25 Kepler-104 EB* 19 10 25.1128815288 +42 10 00.255205236   13.12 12.73 12.61   G0V 101 0
26 Kepler-20 Er* 19 10 47.5233433920 +42 20 19.301370684   13.278 12.630 12.478 11.64 G5V 201 1
27 Kepler-164 Ro* 19 11 07.3972813536 +47 37 47.634405528           ~ 71 0
28 Kepler-238 Er* 19 11 35.3058296736 +40 38 16.143812448       15.189   ~ 77 0
29 Kepler-192 Er* 19 11 40.2999391728 +45 35 34.425445272   15.237 14.223 14.041   G7 72 0
30 Kepler-50 Er* 19 12 24.2128368312 +50 02 01.374741852   11.02 10.54 10.387   F5 131 1
31 Kepler-254 Er* 19 12 39.5241024600 +45 48 59.394712176   16.896 15.958 15.953   ~ 71 0
32 Kepler-150 Er* 19 12 56.1835322352 +40 31 15.208382352   16.046 15.228 15.081   ~ 80 0
33 Kepler-247 Er* 19 14 34.2067558608 +43 02 21.497067276   16.238 15.458 15.057   ~ 58 0
34 Kepler-60 Er* 19 15 50.6983640712 +42 15 54.050260968   14.477 14.083 13.934   G2 132 1
35 Kepler-33 Er* 19 16 18.6099987120 +46 00 18.813656376   14.823 14.146 14.022 13.23 F2 117 1
36 Kepler-46 Er* 19 17 04.4929642440 +42 36 15.041328444   16.235 15.741 15.314   ~ 94 1
37 Kepler-154 Er* 19 19 07.3336120632 +49 53 47.550728148   15.11 14.57 14.66   G6 82 0
38 Kepler-985 Er* 19 20 34.6416076872 +44 02 59.706124152   15.837 14.940 14.728   ~ 45 0
39 Kepler-336 Er* 19 20 57.0311647224 +41 19 53.055383772   14.355 13.688 13.554   G3 53 0
40 Kepler-138 Er* 19 21 31.5679755816 +43 17 34.680970608   14.621 13.168 12.680   M1V 145 0
41 Kepler-619 Er* 19 23 23.7817186272 +48 24 57.646695636   15.607 14.844 14.735   G3 58 0
42 Kepler-85 Er* 19 23 53.6255300424 +45 17 25.088907084   15.782 14.932 14.785   ~ 79 1
43 Kepler-122 Er* 19 24 26.8513235976 +39 56 56.599044504   14.979 14.378 14.337   ~ 81 0
44 Kepler-36 Er* 19 25 00.0428079600 +49 13 54.630900876   12.795 12.174 12.094   F2 251 1
45 Kepler-220 Er* 19 26 01.4891656008 +46 53 44.783155752   14.322 13.201 12.828   K3V 74 0
46 Kepler-331 BY* 19 27 20.2411748808 +39 18 26.485483752       15.868   ~ 60 0
47 Kepler-822 Ro* 19 29 06.2675977488 +39 33 00.578192904           ~ 47 0
48 Kepler-49 Er* 19 29 10.6951719216 +40 35 30.458944212   17.110 15.883 15.539   M1V 80 1
49 KOI-2554 Er* 19 29 31.1415135864 +47 38 40.734320676       15.49   ~ 27 0
50 Kepler-275 Er* 19 29 55.1288580480 +38 30 53.670776796   16.109 15.382 15.344   ~ 58 0
51 Kepler-208 Er* 19 35 33.6470003208 +42 31 40.724818032   14.109 13.683 13.465   G0 82 0
52 Kepler-31 Er* 19 36 05.5269847728 +45 51 11.107880676   15.961 15.388 15.288   ~ 87 1
53 Kepler-768 Ro* 19 36 27.7599900120 +38 23 36.425037300           ~ 33 0
54 Kepler-923 Ro* 19 36 41.0605185240 +40 03 18.569772468           ~ 37 0
55 Kepler-23 Er* 19 36 52.5355328952 +49 28 45.252600204   14.190 13.547 13.71   G2V 98 1
56 Kepler-326 Er* 19 37 18.1337949432 +46 00 08.063097696   14.811 13.863 13.584   K1V 79 0
57 Kepler-304 Er* 19 37 46.0342587552 +40 33 27.199163844       14.885   ~ 70 0
58 Kepler-266 Er* 19 37 56.2534918656 +44 10 00.992722764   16.667 15.795 15.675   ~ 34 0
59 Kepler-1321 Ro* 19 38 06.8698322976 +46 38 27.477410208           M1V 32 0
60 Kepler-108 ** 19 38 14.20056 +46 03 44.3700       12.485   ~ 103 0
61 Kepler-54 Er* 19 39 05.7418156224 +43 03 22.599784476       15.497   M1V 75 1
62 Kepler-215 Er* 19 39 53.6402937048 +45 12 49.220709192   14.273 13.736 13.636   G3 85 0
63 Kepler-300 Ro* 19 41 09.2832882504 +48 35 59.033823324           ~ 41 0
64 Kepler-1125 EB* 19 41 55.4939240472 +40 43 55.149032676   15.785 15.061 14.971   ~ 32 0
65 Kepler-80 Er* 19 44 27.0200680656 +39 58 43.594100688   16.303 15.201 14.866   M0V 177 1
66 Kepler-58 Ro* 19 45 26.0755073736 +39 06 54.729120168           ~ 71 1
67 Kepler-51 Er* 19 45 55.1428629456 +49 56 15.650520684       14.829   G4 165 1
68 Kepler-366 Ro* 19 47 24.4858232544 +49 05 03.939520236           G2 46 0
69 Kepler-249 Er* 19 47 56.4240903816 +43 39 30.701898792   17.879 16.399 15.763   M2V 72 0
70 Kepler-107 Er* 19 48 06.7734610824 +48 12 30.964175676   13.330 12.639 12.448   ~ 116 0
71 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 377 1
72 Kepler-133 Er* 19 49 06.7098335064 +48 19 13.192243392   13.798 13.095 12.804   F9 55 0
73 Kepler-89 Ro* 19 49 19.9343204784 +41 53 28.006017936           ~ 175 1
74 Kepler-307 EB* 19 51 10.8252284400 +40 25 03.669502080   15.092 14.299 14.082   ~ 75 0
75 Kepler-32 Er* 19 51 22.1744302704 +46 34 27.390583380       15.563   M1V 119 1
76 Kepler-87 Ro* 19 51 40.0490199888 +46 57 54.425250252           F9 71 2
77 Kepler-18 Er* 19 52 19.0688312520 +44 44 46.807928916   14.750 13.767 13.93   ~ 146 1
78 Kepler-313 Ro* 19 53 10.7791304160 +48 46 31.600287948           ~ 44 0
79 Kepler-223 Er* 19 53 16.4202435936 +47 16 46.308434088   16.209 15.570 15.78   ~ 192 1
80 Kepler-1659 Er* 19 53 29.7223329192 +40 37 06.379732380   15.866 14.991 14.869   ~ 50 0
81 Kepler-305 Er* 19 56 53.8365433512 +40 20 35.445181812       15.715   ~ 75 0
82 Kepler-399 Ro* 19 58 00.4156023312 +40 40 14.889229896           ~ 56 0
83 Kepler-79 Er* 20 02 04.1057010912 +44 22 53.646047436   14.55 13.98 14.00   F5 136 1
84 Kepler-106 Er* 20 03 27.3499329384 +44 20 15.191981988   13.592 12.963 12.817   G1 94 0

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