2020ApJ...890L..31L

Query : 2020ApJ...890L..31L

2020ApJ...890L..31L - Astrophys. J., 890, L31-L31 (2020/February-3)

Mutual inclination excitation by stellar oblateness.

LI G., DAI F. and BECKER J.

Abstract (from CDS):

Ultra-short-period planets (USPs) provide important clues to planetary formation and migration. It was recently found that the mutual inclinations of the planetary systems are larger if the inner orbits are closer (<=5R*) and if the planetary period ratios are larger (P2/P1 >= 5). This suggests that the USPs experienced both inclination excitation and orbital shrinkage. Here we investigate the increase in the mutual inclination due to stellar oblateness. We find that the stellar oblateness (within ∼1 Gyr) is sufficient to enhance the mutual inclination to explain the observed signatures. This suggests that the USPs can migrate closer to the host star in a near coplanar configuration with their planetary companions (e.g., disk migration+tides or in situ+tides), before mutual inclination gets excited due to stellar oblateness.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Exoplanet systems - Exoplanet dynamics

VizieR on-line data: <Available at CDS (J/ApJ/890/L31): table1.dat>

Simbad objects: 85

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Number of rows : 85
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 K2-106 PM* 00 52 19.1415736296 +10 47 40.906374828   12.58 12.10     ~ 61 0
2 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
3 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
4 UCAC4 500-052539 Em* 08 52 29.3614798008 +09 57 45.836513892   16.17   14.21   M1V 11 0
5 BD-05 3504 PM* 12 27 29.5846968120 -06 43 18.766944228   12.05 10.98     G9 40 0
6 Kepler-431 Er* 18 44 26.9622053520 +43 13 40.040381892   12.674 12.021 11.949   F6IV 61 0
7 Kepler-322 Ro* 18 45 23.7107747760 +44 17 42.858307716           G7 54 0
8 Kepler-653 Ro* 18 48 51.1087091640 +46 43 04.156997268           K0IV-V 65 0
9 Kepler-202 PM* 18 51 53.6226350136 +41 19 19.239370140   15.232 14.160 13.945   K0V 54 0
10 Kepler-338 Er* 18 51 54.9519387600 +40 47 03.675669144   12.88 12.19 12.142   G0 84 0
11 Kepler-363 Er* 18 52 46.1054164776 +41 18 19.315610676   14.380 13.473 13.334   G5V 64 0
12 Kepler-132 Er* 18 52 56.5641599064 +41 20 34.997513460   12.49 11.92 11.768   G1 105 0
13 Kepler-732 PM* 18 54 55.6759065456 +45 57 31.522444992       15.624   M2V 71 0
14 Kepler-853 Er* 18 55 44.8332495264 +49 06 37.042355484   12.981 12.331 12.279   F5 59 0
15 Kepler-200 Ro* 18 57 38.3804563680 +41 14 14.854810632           G3 58 0
16 Kepler-974 Er* 19 00 03.1451105376 +40 13 14.798618364   16.927 15.295 14.944   M1V 67 1
17 Kepler-381 EB* 19 00 43.8669146952 +43 49 51.905636508   11.161 10.651 10.563   F5 70 0
18 Kepler-1814 Ro* 19 00 52.0051328232 +41 16 56.829250632           ~ 47 0
19 Kepler-1067 Ro* 19 01 32.9789013048 +45 02 56.586043176           ~ 58 0
20 Kepler-1542 Ro* 19 02 54.8381343672 +42 39 16.310499048           G5V 66 0
21 Kepler-1271 Ro* 19 05 22.6297806792 +37 24 43.109234388           ~ 41 0
22 Kepler-290 Ro* 19 05 38.4000976080 +42 40 53.532912216           ~ 54 0
23 Kepler-277 Er* 19 06 19.9577165304 +39 04 37.861617108       13.491   ~ 66 0
24 Kepler-140 Er* 19 09 28.6730176512 +46 46 05.585711232   13.558 12.996 12.975   F8V 60 0
25 Kepler-1581 Ro* 19 09 29.1033573384 +39 36 12.897802512           G0 52 0
26 Kepler-411 Er* 19 10 25.3469947368 +49 31 23.712634632   13.70 12.55 12.26   K3V 129 0
27 Kepler-20 Er* 19 10 47.5233433920 +42 20 19.301370684   13.278 12.630 12.478 11.64 G5V 201 1
28 Kepler-402 Er* 19 13 28.8534589176 +43 21 16.582563936   13.884 13.317 13.177   F2 75 0
29 Kepler-969 Ro* 19 13 29.3968592064 +47 56 00.808492092           K1V 56 0
30 Kepler-1047 Ro* 19 14 35.1093501816 +50 47 20.425375392           G8V 49 0
31 Kepler-219 Er* 19 14 57.3495104640 +46 45 45.290906784   14.594 13.899 13.701   G2V 79 0
32 Kepler-1371 Er* 19 15 19.5348644400 +47 33 07.184447064   14.786 14.014 13.881   G5 54 0
33 Kepler-1311 EB* 19 18 36.2976992160 +43 49 27.903023076   14.237 13.475 13.371   G0IV-V 56 0
34 Kepler-403 Ro* 19 19 41.1509829792 +46 44 40.488916560           F9 61 0
35 Kepler-207 Ro* 19 20 07.3247573880 +42 09 57.757238064           G3 66 0
36 Kepler-135 Er* 19 21 58.8257868888 +38 47 43.690791768   12.82 12.79 12.694   F7 64 0
37 Kepler-198 Ro* 19 22 41.5540510848 +38 41 27.586105764           F9 73 0
38 Kepler-213 Er* 19 23 17.8053973052 +44 38 49.860800789   14.649 13.785 13.625   G5V 56 0
39 Kepler-607 Ro* 19 24 13.7214465480 +44 37 56.571524436           K1 47 0
40 Kepler-783 Ro* 19 24 15.1045257360 +47 29 05.294584536           G5 50 0
41 Kepler-36 Er* 19 25 00.0428079600 +49 13 54.630900876   12.795 12.174 12.094   F2 251 1
42 Kepler-323 Ro* 19 25 31.7357525064 +38 07 38.897081760           G0 64 0
43 Kepler-100 Er* 19 25 32.6432787456 +41 59 24.945100548   12.009 11.278 11.128   G8IV 142 0
44 Kepler-376 Ro* 19 26 25.7196125352 +38 24 37.376174124           ~ 54 0
45 Kepler-111 Er* 19 26 36.7607353488 +44 41 17.797093512   14.341 13.619 13.459   F8V 70 0
46 Kepler-406 Er* 19 27 23.5375431360 +44 58 05.726111052   13.401 12.672 12.482   G5IV 88 0
47 Kepler-625 Ro* 19 28 36.1086706536 +39 38 15.223322256           G0 56 0
48 KOI-1239 Ro* 19 28 42.8665703856 +42 00 21.259734192           ~ 48 0
49 Kepler-1365 Ro* 19 28 47.9324230536 +42 02 45.896780076           G3 48 0
50 Kepler-356 Ro* 19 29 41.0582091456 +37 40 58.110443904           F7 56 0
51 Kepler-342 Er* 19 30 42.7395837984 +46 43 36.159004776       13.125   F6IV 77 0
52 Kepler-1322 Ro* 19 32 49.0809465264 +45 26 07.469094624           ~ 30 0
53 Kepler-804 Er* 19 33 29.3400368832 +44 47 06.618367068   14.702 13.884 13.755   G5 64 0
54 Kepler-216 Er* 19 34 54.7439890176 +46 07 44.903138916   14.712 14.099 14.073   F7 61 0
55 Kepler-208 Er* 19 35 33.6470003208 +42 31 40.724818032   14.109 13.683 13.465   G0 82 0
56 Kepler-326 Er* 19 37 18.1337949432 +46 00 08.063097696   14.811 13.863 13.584   K1V 79 0
57 NGC 6811 OpC 19 37 21.8 +46 22 43   7.47 6.8     ~ 435 0
58 Kepler-321 Ro* 19 37 48.8858184840 +44 08 44.796081732           G4 59 0
59 Kepler-1834 Ro* 19 38 39.5301570288 +39 47 01.773474324           ~ 46 0
60 Kepler-314 Er* 19 38 41.7866468376 +42 04 32.086158888   13.634 12.815 12.517   G9IV 69 0
61 Kepler-116 Er* 19 38 58.0982478216 +43 32 12.499350720   14.434 13.825 13.665   ~ 51 0
62 Kepler-142 Er* 19 40 28.5407018232 +48 28 52.654331856   14.101 13.318 13.177   ~ 73 0
63 Kepler-197 PM* 19 40 54.3398888544 +50 33 32.423445180   12.42 11.78 11.800   F5 106 0
64 Kepler-487 Ro* 19 41 08.9282369832 +41 13 19.055345232   15.89 14.84 15.60 14.39 ~ 87 1
65 Kepler-218 Er* 19 41 39.0786751032 +46 15 59.364727092   14.981 14.076 13.943   G8IV 75 0
66 Kepler-450 Er* 19 41 56.7727769064 +51 00 48.582305136   11.99 11.692 11.685   ~ 86 0
67 Kepler-466 Er* 19 42 35.6838266424 +48 29 43.984799880   13.620 12.909 12.703   F9IV-V 66 0
68 Kepler-232 Ro* 19 43 15.8784747408 +51 07 18.195332124           ~ 52 0
69 Kepler-335 Ro* 19 44 15.4330458360 +45 25 43.033682820           G3 50 0
70 Kepler-80 Er* 19 44 27.0200680656 +39 58 43.594100688   16.303 15.201 14.866   M0V 177 1
71 Kepler-1340 Ro* 19 44 55.8707744424 +42 28 22.061557812           ~ 41 0
72 Kepler-221 Er* 19 46 37.1434561728 +46 50 06.841651128   14.853 14.017 13.778   G5 97 0
73 Kepler-524 Er* 19 47 26.2061420256 +49 09 43.292103624   14.854 14.208 13.931   G0 60 0
74 Kepler-755 Er* 19 47 26.6455439352 +41 05 50.633752848   15.278 14.248 14.020   K2V 60 0
75 Kepler-107 Er* 19 48 06.7734610824 +48 12 30.964175676   13.330 12.639 12.448   ~ 116 0
76 Kepler-203 Er* 19 48 21.5923608240 +41 23 16.986023880   14.884 14.107 13.965   G1 78 0
77 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 377 1
78 Kepler-89 Ro* 19 49 19.9343204784 +41 53 28.006017936           ~ 175 1
79 Kepler-526 Er* 19 50 36.2246008224 +47 23 46.594514184   13.978 13.304 13.050   F9 49 0
80 Kepler-32 Er* 19 51 22.1744302704 +46 34 27.390583380       15.563   M1V 119 1
81 Kepler-990 Ro* 19 51 45.1756915728 +46 52 53.022060660           G4 48 0
82 Kepler-141 Er* 19 51 53.0054084088 +47 43 54.019503372   14.663 13.621 13.447   K3V 63 0
83 Kepler-18 Er* 19 52 19.0688312520 +44 44 46.807928916   14.750 13.767 13.93   ~ 146 1
84 Kepler-312 Ro* 19 53 34.9794333600 +42 27 35.128340568           F5V 56 0
85 StKM 1-2122 PM* 23 23 39.9709098120 -01 11 21.448681332   12.14 11.45     K7V 61 0

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