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 - 2024 		#notes
1 K2-106 PM* 00 52 19.1415736296 +10 47 40.906374828   12.58 12.10     ~ 39 0
2 Cl Melotte 22 OpC 03 46 24.2 +24 06 50           ~ 3434 0
3 NGC 2632 OpC 08 40 13.0 +19 37 16           ~ 1564 0
4 UCAC4 500-052539 PM* 08 52 29.3614798008 +09 57 45.836513892   16.17   14.21   M1V 7 0
5 BD-05 3504 PM* 12 27 29.5846968120 -06 43 18.766944228   12.05 10.98     G9 24 0
6 Kepler-431 Er* 18 44 26.9622053520 +43 13 40.040381892   12.674 12.021 11.949   F6IV 45 0
7 Kepler-322 Ro* 18 45 23.7107747760 +44 17 42.858307716           G7 41 0
8 Kepler-653 Ro* 18 48 51.1087091640 +46 43 04.156997268           K0IV-V 52 0
9 Kepler-202 Er* 18 51 53.6226350136 +41 19 19.239370140   15.232 14.160 13.945   K0V 44 0
10 Kepler-338 Er* 18 51 54.9519387600 +40 47 03.675669144   12.88 12.19 12.142   G0 66 0
11 Kepler-363 Er* 18 52 46.1054164776 +41 18 19.315610676   14.380 13.473 13.334   G5V 53 0
12 Kepler-132 Er* 18 52 56.5641599064 +41 20 34.997513460   12.49 11.92 11.768   G1 87 0
13 Kepler-732 Er* 18 54 55.6759065456 +45 57 31.522444992       15.624   M2V 52 0
14 Kepler-853 Er* 18 55 44.8332495264 +49 06 37.042355484   12.981 12.331 12.279   F5 49 0
15 Kepler-200 Ro* 18 57 38.3804563680 +41 14 14.854810632           G3 44 0
16 Kepler-974 Er* 19 00 03.1451105376 +40 13 14.798618364   16.927 15.295 14.944   M1V 51 1
17 Kepler-381 EB* 19 00 43.8669146952 +43 49 51.905636508   11.161 10.651 10.563   F5 51 0
18 Kepler-1814 Ro* 19 00 52.0051328232 +41 16 56.829250632           ~ 33 0
19 Kepler-1067 Ro* 19 01 32.9789013048 +45 02 56.586043176           ~ 38 0
20 Kepler-1542 Ro* 19 02 54.8381343672 +42 39 16.310499048           G5V 45 0
21 Kepler-1271 Ro* 19 05 22.6297806792 +37 24 43.109234388           ~ 32 0
22 Kepler-290 Ro* 19 05 38.4000976080 +42 40 53.532912216           ~ 44 0
23 Kepler-277 Er* 19 06 19.9577165304 +39 04 37.861617108       13.491   ~ 52 0
24 Kepler-140 Er* 19 09 28.6730176512 +46 46 05.585711232   13.558 12.996 12.975   F8V 46 0
25 Kepler-1581 Ro* 19 09 29.1033573384 +39 36 12.897802512           G0 37 0
26 Kepler-411 Er* 19 10 25.3469947368 +49 31 23.712634632   13.70 12.55 12.26   K3V 90 0
27 Kepler-20 Er* 19 10 47.5233433920 +42 20 19.301370684   13.278 12.630 12.478 11.64 G5V 167 1
28 Kepler-402 Er* 19 13 28.8534589176 +43 21 16.582563936   13.884 13.317 13.177   F2 56 0
29 Kepler-969 Ro* 19 13 29.3968592064 +47 56 00.808492092           K1V 38 0
30 Kepler-1047 Ro* 19 14 35.1093501816 +50 47 20.425375392           G8V 38 0
31 Kepler-219 Er* 19 14 57.3495104640 +46 45 45.290906784   14.594 13.899 13.701   G2V 60 0
32 Kepler-1371 Er* 19 15 19.5348644400 +47 33 07.184447064   14.786 14.014 13.881   G5 37 0
33 Kepler-1311 EB* 19 18 36.2976992160 +43 49 27.903023076   14.237 13.475 13.371   G0IV-V 43 0
34 Kepler-403 Ro* 19 19 41.1509829792 +46 44 40.488916560           F9 44 0
35 Kepler-207 Ro* 19 20 07.3247573880 +42 09 57.757238064           G3 53 0
36 Kepler-135 Er* 19 21 58.8257868888 +38 47 43.690791768   12.82 12.79 12.694   F7 50 0
37 Kepler-198 Ro* 19 22 41.5540510848 +38 41 27.586105764           F9 52 0
38 Kepler-213 Er* 19 23 17.8053973052 +44 38 49.860800789   14.649 13.785 13.625   G5V 45 0
39 Kepler-607 Ro* 19 24 13.7214465480 +44 37 56.571524436           K1 34 0
40 Kepler-783 Ro* 19 24 15.1045257360 +47 29 05.294584536           G5 39 0
41 Kepler-36 Er* 19 25 00.0428079600 +49 13 54.630900876   12.795 12.174 12.094   F2 219 1
42 Kepler-323 Ro* 19 25 31.7357525064 +38 07 38.897081760           G0 49 0
43 Kepler-100 Er* 19 25 32.6432787456 +41 59 24.945100548   12.009 11.278 11.128   G3 110 0
44 Kepler-376 Ro* 19 26 25.7196125352 +38 24 37.376174124           ~ 39 0
45 Kepler-111 Er* 19 26 36.7607353488 +44 41 17.797093512   14.341 13.619 13.459   F8V 57 0
46 Kepler-406 Er* 19 27 23.5375431360 +44 58 05.726111052   13.401 12.672 12.482   G5IV 66 0
47 Kepler-625 Ro* 19 28 36.1086706536 +39 38 15.223322256           G0 44 0
48 KOI-1239 Ro* 19 28 42.8665703856 +42 00 21.259734192           ~ 36 0
49 Kepler-1365 Ro* 19 28 47.9324230536 +42 02 45.896780076           G3 34 0
50 Kepler-356 Ro* 19 29 41.0582091456 +37 40 58.110443904           F7 43 0
51 Kepler-342 Er* 19 30 42.7395837984 +46 43 36.159004776       13.125   F6IV 61 0
52 Kepler-1322 Ro* 19 32 49.0809465264 +45 26 07.469094624           ~ 21 0
53 Kepler-804 Er* 19 33 29.3400368832 +44 47 06.618367068   14.702 13.884 13.755   G5 48 0
54 Kepler-216 Er* 19 34 54.7439890176 +46 07 44.903138916   14.712 14.099 14.073   F7 48 0
55 Kepler-208 Er* 19 35 33.6470003208 +42 31 40.724818032   14.109 13.683 13.465   G0 66 0
56 Kepler-326 Er* 19 37 18.1337949432 +46 00 08.063097696   14.811 13.863 13.584   K1V 58 0
57 NGC 6811 OpC 19 37 21.6 +46 22 41   7.47 6.8     ~ 378 0
58 Kepler-321 Ro* 19 37 48.8858184840 +44 08 44.796081732           G4 44 0
59 Kepler-1834 Ro* 19 38 39.5301570288 +39 47 01.773474324           ~ 35 0
60 Kepler-314 Er* 19 38 41.7866468376 +42 04 32.086158888   13.634 12.815 12.517   G9IV 49 0
61 Kepler-116 Er* 19 38 58.0982478216 +43 32 12.499350720   14.434 13.825 13.665   ~ 41 0
62 Kepler-142 Er* 19 40 28.5407018232 +48 28 52.654331856   14.101 13.318 13.177   ~ 60 0
63 Kepler-197 Er* 19 40 54.3398888544 +50 33 32.423445180   12.42 11.78 11.800   F5 84 0
64 Kepler-487 Ro* 19 41 08.9282369832 +41 13 19.055345232   15.89 14.84 15.60 14.39 ~ 73 1
65 Kepler-218 Er* 19 41 39.0786751032 +46 15 59.364727092   14.981 14.076 13.943   G8IV 56 0
66 Kepler-450 Er* 19 41 56.7727769064 +51 00 48.582305136   11.99 11.692 11.685   ~ 63 0
67 Kepler-466 Er* 19 42 35.6838266424 +48 29 43.984799880   13.620 12.909 12.703   ~ 49 0
68 Kepler-232 Ro* 19 43 15.8784747408 +51 07 18.195332124           ~ 40 0
69 Kepler-335 Ro* 19 44 15.4330458360 +45 25 43.033682820           G3 36 0
70 Kepler-80 Er* 19 44 27.0200680656 +39 58 43.594100688   16.303 15.201 14.866   M0V 139 1
71 Kepler-1340 Ro* 19 44 55.8707744424 +42 28 22.061557812           ~ 29 0
72 Kepler-221 Er* 19 46 37.1434561728 +46 50 06.841651128   14.853 14.017 13.778   G5 74 0
73 Kepler-524 Er* 19 47 26.2061420256 +49 09 43.292103624   14.854 14.208 13.931   G0 46 0
74 Kepler-755 Er* 19 47 26.6455439352 +41 05 50.633752848   15.278 14.248 14.020   K2V 44 0
75 Kepler-107 Er* 19 48 06.7734610824 +48 12 30.964175676   13.330 12.639 12.448   ~ 92 0
76 Kepler-203 Er* 19 48 21.5923608240 +41 23 16.986023880   14.884 14.107 13.965   G1 59 0
77 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 351 1
78 Kepler-89 Ro* 19 49 19.9343204784 +41 53 28.006017936           ~ 148 1
79 Kepler-526 Er* 19 50 36.2246008224 +47 23 46.594514184   13.978 13.304 13.050   F9 40 0
80 Kepler-32 Er* 19 51 22.1744302704 +46 34 27.390583380       15.563   M1V 100 1
81 Kepler-990 Ro* 19 51 45.1756915728 +46 52 53.022060660           G4 34 0
82 Kepler-141 Er* 19 51 53.0054084088 +47 43 54.019503372   14.663 13.621 13.447   K3V 52 0
83 Kepler-18 Er* 19 52 19.0688312520 +44 44 46.807928916   14.750 13.767 13.93   ~ 124 1
84 Kepler-312 Ro* 19 53 34.9794333600 +42 27 35.128340568           F5V 44 0
85 StKM 1-2122 PM* 23 23 39.9709098120 -01 11 21.448681332   12.14 11.45     K7V 35 0

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