2020AJ....159..207B


Query : 2020AJ....159..207B

2020AJ....159..207B - Astron. J., 159, 207-207 (2020/May-0)

Transit duration variations in multiplanet systems.

BOLEY A.C., VAN LAERHOVEN C. and GRANADOS CONTRERAS A.P.

Abstract (from CDS):

A planet's orbital orientation relative to an observer's line of sight determines the chord length for a transiting planet, i.e., the projected distance a transiting planet travels across the stellar disk. For a given circular orbit, the chord length determines the transit duration. Changes in the orbital inclination, the longitude of ascending node, or both, can alter this chord length and thus result in transit duration variations (TDVs). Variation of the full orbital inclination vector can even lead to de-transiting or newly transiting planets for a system. We use Laplace-Lagrange secular theory to estimate the fastest nodal eigenfrequencies for over 100 short-period planetary systems. The highest eigenfrequency is an indicator of which systems should show the strongest TDVs. We further explore five cases (TRAPPIST-1, Kepler-11, K2-138, Kepler-445, and Kepler-334) using direct N-body simulations to characterize possible TDVs and to explore whether de-transiting planets might be possible for these systems. A range of initial conditions are explored, in which each realization is consistent with the observed transits. We find that tens of percent of multiplanet systems have fast enough eigenfrequencies to expect large TDVs on decade timescales. For the directly integrated cases, we find that de-transiting planets might occur on decade timescales, and TDVs of 10 minutes per decade are expected to be common.

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

Journal keyword(s): Exoplanets - Exoplanet evolution - Exoplanet dynamics - Transit duration variation method

Simbad objects: 150

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Number of rows : 150
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 HG 8-15 PM* 04 21 52.4852745864 +21 21 12.937879152   14.07   12.46   K6V 24 0
2 K2-136 PM* 04 29 38.9939167752 +22 52 57.793533924   12.48 11.20 10.90   K5.5V 41 0
3 K2-183 * 08 20 01.7183469384 +14 01 10.070401116   13.63 12.85 12.74   ~ 12 0
4 BD+10 1799 * 08 26 27.8490900672 +10 04 49.334175156   9.42 8.92     F8 35 0
5 K2-146c Pl 08 40 06.4242175742 +19 05 34.429575829           ~ 9 0
6 K2-146 LM* 08 40 06.4242250368 +19 05 34.430759088   17.87 16.25 15.97   M3.0V 30 0
7 K2-187 * 08 50 05.6681799264 +23 11 33.369793728           ~ 11 0
8 K2-3 PM* 11 29 20.3917077216 -01 27 17.281697868   13.52 12.17 11.88   M1V 64 0
9 K2-19 * 11 39 50.4803341248 +00 36 12.875047920   13.80 13.00 12.88   ~ 41 0
10 K2-37 * 16 13 48.2446204272 -24 47 13.428497616           ~ 15 0
11 K2-32 PM* 16 49 42.2601799152 -19 32 34.151379684   13.28 12.31 12.11   ~ 39 0
12 Kepler-102 PM* 18 45 55.8559851072 +47 12 28.845259020   12.58 12.07     K3V 96 0
13 Kepler-83 Ro* 18 48 55.8020067360 +43 39 56.249582760           M0V 55 1
14 Kepler-446 * 18 49 00.0433305672 +44 55 15.977921880           M4V 37 0
15 Kepler-338 Ro* 18 51 54.9519387600 +40 47 03.675669144   12.88 12.19     G0 58 0
16 Kepler-298 Ro* 18 52 09.5526737544 +48 49 31.316827260           ~ 36 0
17 Kepler-363 Ro* 18 52 46.1054164776 +41 18 19.315610676           G5V 47 0
18 Kepler-299 Ro* 18 52 49.6707822504 +48 34 49.794434544           ~ 49 0
19 Kepler-62 Ro* 18 52 51.0518497680 +45 20 59.399622996   14.4 13.8     G5 112 1
20 Kepler-1388 Ro* 18 53 20.6548120296 +47 10 28.257812616           M0V 34 0
21 Kepler-172 Ro* 18 53 28.4170433352 +41 49 18.551185212           ~ 57 0
22 Kepler-301 Ro* 18 55 55.8992978160 +49 13 58.711633932           ~ 44 0
23 Kepler-90 EB* 18 57 44.0383126392 +49 18 18.496454184           ~ 109 0
24 Kepler-282 Ro* 18 58 42.5471457528 +44 47 51.598416912           ~ 53 0
25 Kepler-26 Ro* 18 59 45.8408222304 +46 33 59.437703052           M0V 82 1
26 Kepler-55 Ro* 19 00 40.4013750408 +44 01 35.369032296           K5 67 1
27 Kepler-30 Ro* 19 01 08.0746104528 +38 56 50.218268856   16.50   15.95 14.55 ~ 142 1
28 Kepler-350 Ro* 19 01 40.7037733680 +39 42 22.016147364           ~ 38 0
29 Kepler-9c Pl 19 02 17.7544105084 +38 24 03.177247136           ~ 94 1
30 Kepler-1542 Ro* 19 02 54.8381343672 +42 39 16.310499048           G5V 36 0
31 Kepler-354 Ro* 19 03 00.3548814720 +41 20 08.296950264           ~ 29 0
32 Kepler-169 Ro* 19 03 59.9740327176 +40 55 09.611690772           ~ 58 0
33 Kepler-235 Ro* 19 04 18.9842922480 +39 16 41.945483928           M0V 61 0
34 Kepler-351 Ro* 19 05 48.6587767968 +42 39 28.319770584           ~ 30 0
35 Kepler-296 ** 19 06 09.6025302984 +49 26 14.396852760           M2V 78 0
36 Kepler-332 Ro* 19 06 39.1083005856 +47 24 49.388410404           ~ 40 0
37 Kepler-52 Ro* 19 06 57.1300334784 +49 58 32.637931608           M0V 59 1
38 BD+46 2629 ** 19 07 53.104944 +46 52 06.00420   10.12 9.70 9.80   kA2hA5mA7(IV)m: 149 0
39 NAME BD+46 2629Ab Pl 19 07 53.1396671301 +46 52 05.931203366           ~ 148 1
40 Kepler-334 Ro* 19 08 33.7575590712 +47 06 54.721322640           G0 50 0
41 Kepler-334c Pl 19 08 33.7575928549 +47 06 54.720606209           ~ 24 0
42 Kepler-334b Pl 19 08 33.7575928549 +47 06 54.720606209           ~ 22 0
43 Kepler-334d Pl 19 08 33.7575928549 +47 06 54.720606209           ~ 23 0
44 Kepler-279 * 19 09 33.9051497520 +42 11 41.357372064           F3V 44 0
45 Kepler-104 EB* 19 10 25.1128815288 +42 10 00.255205236   13.12 12.73 12.61   G0V 74 0
46 Kepler-20 Ro* 19 10 47.5233433920 +42 20 19.301370684   13.41 12.51 12.70 11.64 G5V 151 1
47 Kepler-164 Ro* 19 11 07.3972813536 +47 37 47.634405528           ~ 47 0
48 Kepler-238 Ro* 19 11 35.3058296736 +40 38 16.143812448           ~ 58 0
49 Kepler-130 Ro* 19 13 48.1593590088 +40 14 43.162049328   12.16 11.57     G1V 63 0
50 Kepler-306 Ro* 19 14 09.2870355888 +40 36 58.113106632           ~ 43 0
51 BD+40 3638 Ro* 19 14 45.2915908224 +41 09 04.210237980   11.62 10.92     F6IV 112 1
52 Kepler-319 Ro* 19 15 14.8707783264 +39 46 14.405364444           G4V 42 0
53 Kepler-310 Ro* 19 15 21.4377198432 +46 59 12.293095272           ~ 49 0
54 Kepler-288 Ro* 19 15 39.9366319272 +39 35 41.088472836           G1V 37 0
55 Kepler-33 Ro* 19 16 18.6099987120 +46 00 18.813656376   14.39 13.74 14.26 13.23 ~ 88 1
56 Kepler-46 Ro* 19 17 04.4929642440 +42 36 15.041328444           ~ 73 1
57 Kepler-250 Ro* 19 18 22.7423825568 +44 08 30.962454756           ~ 38 0
58 BD+41 3306 PM* 19 19 00.5489000285 +41 38 04.582441681 10.01 9.67 8.86 8.18 7.66 K0V 260 0
59 Kepler-154 Ro* 19 19 07.3336120632 +49 53 47.550728148   15.11 14.57 14.66   ~ 65 0
60 Kepler-325 Ro* 19 19 20.5054876128 +49 49 32.163328344           ~ 39 0
61 Kepler-341 * 19 19 26.7755204304 +43 28 21.988135488           ~ 41 0
62 Kepler-336 Ro* 19 20 57.0311647224 +41 19 53.055383772           ~ 39 0
63 Kepler-138 Ro* 19 21 31.5679755816 +43 17 34.680970608           M1V 101 0
64 Kepler-24 Ro* 19 21 39.1857355848 +38 20 37.450192200           ~ 69 1
65 Kepler-53 Ro* 19 21 50.8278108312 +40 33 44.887115556           ~ 59 1
66 Kepler-265 Ro* 19 22 02.5195713768 +41 14 41.294159952           ~ 50 0
67 Kepler-198 Ro* 19 22 41.5540510848 +38 41 27.586105764           ~ 46 0
68 Kepler-224 Ro* 19 23 44.2255728048 +47 21 27.303516396           ~ 51 0
69 Kepler-85 Ro* 19 23 53.6255300424 +45 17 25.088907084           ~ 57 1
70 Kepler-122 Ro* 19 24 26.8513235976 +39 56 56.599044504           ~ 65 0
71 Kepler-88 Ro* 19 24 35.5430965488 +40 40 09.809893020           G8IV 73 1
72 Kepler-191 Ro* 19 24 44.0051264352 +45 19 23.397872412           ~ 42 0
73 Kepler-357 Ro* 19 24 58.3358734152 +44 00 31.348146708           ~ 35 0
74 Kepler-372 Ro* 19 25 01.4896532904 +49 15 32.293087884           ~ 37 0
75 Kepler-100 Ro* 19 25 32.6432787456 +41 59 24.945100548   11.86 11.06     ~ 99 0
76 Kepler-206 Ro* 19 26 32.3160238176 +41 50 01.919570028           ~ 47 0
77 Kepler-245 Ro* 19 26 33.3541730304 +42 26 10.779132804           ~ 57 0
78 Kepler-331 Ro* 19 27 20.2411748808 +39 18 26.485483752           ~ 39 0
79 Kepler-42 Er* 19 28 52.5688740811 +44 37 08.989819665   17.8   16.06   M4V 110 1
80 Kepler-49 Ro* 19 29 10.6951719216 +40 35 30.458944212           M1V 65 1
81 Kepler-226 Ro* 19 29 30.2722726368 +47 52 51.580008300           ~ 47 0
82 Kepler-275 Ro* 19 29 55.1288580480 +38 30 53.670776796           ~ 47 0
83 Kepler-256 Ro* 19 30 19.3010309184 +46 05 50.533193976           ~ 46 0
84 Kepler-327 Ro* 19 30 34.1672429376 +44 05 15.563767632           M1V 49 0
85 Kepler-167 Ro* 19 30 38.0261896920 +38 20 43.437246900           ~ 64 0
86 Kepler-342 Ro* 19 30 42.7395837984 +46 43 36.159004776           F6IV 54 0
87 Kepler-82 Ro* 19 31 29.6083527360 +42 57 58.067640720           ~ 59 1
88 Kepler-758 EB* 19 32 20.3082335280 +41 08 07.560720276           ~ 46 0
89 Kepler-359 Ro* 19 33 10.4713849608 +42 11 46.932423072           ~ 33 0
90 Kepler-339 Ro* 19 33 24.4114554120 +48 26 40.647612696           ~ 41 0
91 Kepler-276 Ro* 19 34 16.3567060728 +39 02 10.707604404           ~ 48 0
92 Kepler-81 Ro* 19 34 32.8684643808 +42 49 29.761950396           M0V 60 1
93 Kepler-208 Ro* 19 35 33.6470003208 +42 31 40.724818032           ~ 58 0
94 Kepler-31 Ro* 19 36 05.5269847728 +45 51 11.107880676           ~ 62 1
95 Kepler-114 PM* 19 36 29.1357624552 +48 20 58.291722816           M0V 62 0
96 Kepler-374 Ro* 19 36 33.1030734096 +42 22 13.721835576           ~ 35 0
97 Kepler-23 Ro* 19 36 52.5355328952 +49 28 45.252600204   13.6   13.71   G2V 73 1
98 Kepler-326 Ro* 19 37 18.1337949432 +46 00 08.063097696           K1V 50 0
99 Kepler-304 Ro* 19 37 46.0342587552 +40 33 27.199163844           ~ 50 0
100 Kepler-108 Ro* 19 38 14.2463250912 +46 03 44.108625420           ~ 78 0
101 Kepler-54 Ro* 19 39 05.7418156224 +43 03 22.599784476           M1V 60 1
102 Kepler-215 Ro* 19 39 53.6402937048 +45 12 49.220709192           ~ 59 0
103 Kepler-142 Ro* 19 40 28.5407018232 +48 28 52.654331856           ~ 56 0
104 Kepler-292 Ro* 19 43 03.8774957880 +42 25 27.449661468           ~ 49 0
105 Kepler-255 Ro* 19 44 15.4216915944 +45 58 36.604526628           ~ 36 0
106 Kepler-80 Ro* 19 44 27.0200680656 +39 58 43.594100688           M0V 115 1
107 Kepler-58 Ro* 19 45 26.0755073736 +39 06 54.729120168           ~ 54 1
108 Kepler-51 Ro* 19 45 55.1428629456 +49 56 15.650520684           ~ 110 1
109 Kepler-251 Ro* 19 46 15.8967097200 +44 06 21.118869360           ~ 47 0
110 Kepler-221 Ro* 19 46 37.1434561728 +46 50 06.841651128           G5 66 0
111 Kepler-203 Ro* 19 48 21.5923608240 +41 23 16.986023880           ~ 55 0
112 Kepler-11 Ro* 19 48 27.6226218768 +41 54 32.903163504       14.00   G2V 332 1
113 Kepler-11c Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 104 1
114 Kepler-11g Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 74 1
115 Kepler-11f Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 125 1
116 Kepler-11d Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 114 1
117 Kepler-11b Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 141 1
118 Kepler-11e Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 116 1
119 Kepler-89 Ro* 19 49 19.9343204784 +41 53 28.006017936           ~ 134 1
120 Kepler-289 Ro* 19 49 51.6736237968 +42 52 58.268872164           ~ 66 0
121 Kepler-32 Ro* 19 51 22.1744302704 +46 34 27.390583380           M1V 96 1
122 Kepler-18 Ro* 19 52 19.0688312520 +44 44 46.807928916       13.93   ~ 114 1
123 Kepler-84 Ro* 19 53 00.4851863233 +40 29 45.947737759           ~ 59 1
124 Kepler-223 Ro* 19 53 16.4202435936 +47 16 46.308434088     15 15.78   ~ 129 1
125 Kepler-186 Ro* 19 54 36.6535147488 +43 57 18.025920324           M1V 115 0
126 Kepler-445c Pl 19 54 56.6591547317 +46 29 54.796304514           ~ 22 0
127 Kepler-445d Pl 19 54 56.6591547317 +46 29 54.796304514           ~ 18 0
128 Kepler-445b Pl 19 54 56.6591547317 +46 29 54.796304514           ~ 21 0
129 Kepler-445 PM* 19 54 56.6592332856 +46 29 54.793640508   19.2   17.1   M4V 41 0
130 Kepler-272 Ro* 19 56 30.6090734448 +47 35 37.816201464           ~ 42 0
131 Kepler-305 Ro* 19 56 53.8365433512 +40 20 35.445181812           ~ 47 0
132 Kepler-267 Ro* 19 59 19.2924878040 +47 09 26.896687236           M1V 47 0
133 Kepler-79 Ro* 20 02 04.1057010912 +44 22 53.646047436   14.55 13.98 14.00   ~ 106 1
134 Kepler-106 Ro* 20 03 27.3499329384 +44 20 15.191981988   13.68 12.98     ~ 70 0
135 LP 759-72 LM* 22 18 29.2548547872 -09 36 44.381088036     15.04     M2V 21 0
136 TRAPPIST-1e Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 217 0
137 TRAPPIST-1g Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 156 0
138 TRAPPIST-1b Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 197 0
139 TRAPPIST-1d Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 176 0
140 TRAPPIST-1f Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 183 0
141 TRAPPIST-1c Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 149 0
142 TRAPPIST-1h Pl 23 06 29.3684052886 -05 02 29.031690445           ~ 101 0
143 TRAPPIST-1 LM* 23 06 29.3684948589 -05 02 29.037301866     18.798 16.466 14.024 M7.5e 810 0
144 K2-138f Pl 23 15 47.7685349429 -10 50 58.897706806           ~ 12 0
145 K2-138d Pl 23 15 47.7685349429 -10 50 58.897706806           ~ 11 0
146 K2-138b Pl 23 15 47.7685349429 -10 50 58.897706806           ~ 11 0
147 K2-138e Pl 23 15 47.7685349429 -10 50 58.897706806           ~ 11 0
148 K2-138c Pl 23 15 47.7685349429 -10 50 58.897706806           ~ 10 0
149 K2-138 * 23 15 47.7686067840 -10 50 58.895461284   13.01 12.21 12.12 11.40 ~ 36 0
150 BD-02 5958 PM* 23 27 04.8376907739 -01 17 10.582653030   11.57 10.10 10.09 8.89 K6V 65 0

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2023.01.28-12:18:59

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