2025A&A...699A.226G

Query : 2025A&A...699A.226G

2025A&A...699A.226G - Astronomy and Astrophysics, volume 699A226 (2025/7-1)

Non-transiting exoplanets as a means of understanding star-planet interactions in close-in systems.

GOURVES C., BRETON S.N., DYREK A., LANZA A.F., GARCIA R.A., MATHUR S., SANTOS A.R.G. and STRUGAREK A.

Abstract (from CDS):

Previous studies showed evidence of a dearth of close-in exoplanets around fast rotators, which can be explained by the combined action of intense tidal and magnetic interactions between planets and their host star. Detecting more exoplanets experiencing such interactions, with orbits evolving on short timescales, is therefore crucial to improve our understanding of the underlying physical mechanisms. For this purpose, we performed a new search for close-in non-transiting substellar companions in the Kepler data, focusing on orbital periods below 2.3 days. We focused on main-sequence solar-type stars and subgiant stars for which a surface rotation period was measured. For each star, we looked for an excess in the power spectral density of the light curve, which could correspond to the signature of a close-in non-transiting companion. We compared our candidates with existing catalogues to eliminate potential contaminants in our sample, and we visually inspected the phase-folded light curve and its wavelet decomposition. We identify 88 stars exhibiting a signature consistent with the presence of a close non-transiting substellar companion. We show that the objects in our sample are located mostly within the dearth zone, emphasising the importance of performing follow-up of such systems in order to gather observational evidence of star-planet interactions.

Abstract Copyright: © The Authors 2025

Journal keyword(s): methods: data analysis - planets and satellites: detection - planet-star interactions - stars: low-mass - stars: solar-type

VizieR on-line data: <Available at CDS (J/A+A/699/A226): tablec1.dat tableb2.dat tableb1.dat>

Simbad objects: 96

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Number of rows : 96
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 2MASS J18495103+4335322 Ro* 18 49 51.0288728232 +43 35 32.123295816           ~ 5 0
2 2MASS J18501168+4114217 * 18 50 11.6885502240 +41 14 21.729949584           ~ 9 0
3 2MASS J18523084+4117260 * 18 52 30.8444786232 +41 17 25.911721428           ~ 9 0
4 2MASS J18542523+4012381 * 18 54 25.2311138616 +40 12 38.072510424           ~ 11 0
5 2MASS J18544899+4321401 * 18 54 48.9990120936 +43 21 40.134528900           ~ 10 0
6 HD 176071 PM* 18 56 22.1268370056 +45 30 25.361404632   8.81 8.33     F8IV 100 0
7 2MASS J19005916+4400190 * 19 00 59.1671541912 +44 00 18.887194836           ~ 14 0
8 TYC 3541-78-1 Er* 19 01 25.4649599688 +45 43 30.393942060   12.10 11.84     ~ 5 0
9 2MASS J19041724+4950023 Ro* 19 04 17.2540206528 +49 50 02.339796300           ~ 6 0
10 2MASS J19050594+4307539 * 19 05 05.9399373840 +43 07 53.926264272           ~ 12 0
11 2MASS J19053052+4321415 * 19 05 30.5232846936 +43 21 41.557408884           ~ 11 0
12 2MASS J19060975+5010591 Ro* 19 06 09.7456809096 +50 10 59.128965516           ~ 11 0
13 TYC 3124-2497-1 V* 19 06 57.7539297648 +40 08 26.799289116   10.96 10.54     ~ 9 0
14 2MASS J19073404+4934571 Ro* 19 07 34.0499315304 +49 34 57.285126876           ~ 6 0
15 2MASS J19090057+4705485 Ro* 19 09 00.5750777880 +47 05 48.463494324           ~ 6 0
16 2MASS J19094341+4857289 * 19 09 43.4073563088 +48 57 28.608807924           ~ 12 0
17 2MASS J19101428+3945145 * 19 10 14.2851890328 +39 45 14.414135616           ~ 5 0
18 2MASS J19112110+3822294 * 19 11 21.1046534119 +38 22 29.460991747           ~ 11 0
19 2MASS J19122808+4733446 Ro* 19 12 28.0900830192 +47 33 44.680767012           K0IV 6 0
20 2MASS J19130730+4600443 Er* 19 13 07.2940015056 +46 00 44.660086344           ~ 5 0
21 2MASS J19130891+5127421 Ro* 19 13 08.9211943032 +51 27 42.223533840           ~ 13 0
22 2MASS J19132009+4326302 EB* 19 13 20.0972726256 +43 26 30.258398904           ~ 17 0
23 KIC 10789361 * 19 14 11.3844398914 +48 10 14.277847228           F6IV 4 0
24 2MASS J19142547+4026299 * 19 14 25.4732602392 +40 26 29.887384596           ~ 9 0
25 2MASS J19143645+4336254 * 19 14 36.4460260176 +43 36 25.459999452           ~ 10 0
26 2MASS J19145643+4230259 SB* 19 14 56.4316001256 +42 30 25.729411212       11.713   K6V 14 0
27 2MASS J19150907+4938233 Ro* 19 15 09.0758878776 +49 38 23.377430544           ~ 10 0
28 2MASS J19171325+4038126 Ro* 19 17 13.2570953568 +40 38 12.703298388           ~ 9 0
29 2MASS J19172511+4056132 * 19 17 25.1126991600 +40 56 13.187893596           F6IV 3 0
30 2MASS J19180032+4003398 Er* 19 18 00.3308922960 +40 03 39.815336520           ~ 3 0
31 SDSS J192034.00+375401.5 G 19 20 34.0018631856 +37 54 01.643106816           ~ 2 1
32 KIC 5006208 * 19 21 08.61 +40 06 17.0           ~ 2 0
33 2MASS J19212158+4442373 * 19 21 21.5905999080 +44 42 37.309729248           ~ 10 0
34 2MASS J19213032+4907568 * 19 21 30.3350922624 +49 07 56.870592960           ~ 12 0
35 2MASS J19233077+5035350 * 19 23 30.7860780240 +50 35 35.021866380           ~ 13 0
36 UCAC4 642-068123 PM* 19 24 17.5571078352 +38 21 15.293861316   13.909 12.935 12.594   ~ 13 0
37 2MASS J19254496+4503055 * 19 25 44.9567392248 +45 03 05.561628228           ~ 9 0
38 2MASS J19255667+3802297 Ro* 19 25 56.6826807120 +38 02 29.706941796           ~ 7 0
39 2MASS J19260839+4502200 * 19 26 08.3939594112 +45 02 20.028759684           ~ 8 0
40 2MASS J19264653+3902169 * 19 26 46.5402193471 +39 02 16.948348443           ~ 11 0
41 2MASS J19282536+4911559 * 19 28 25.3687192680 +49 11 55.889267136           ~ 4 0
42 2MASS J19283415+3918007 * 19 28 34.1599480704 +39 18 00.783131724           ~ 13 0
43 2MASS J19291131+4050450 * 19 29 11.3106995352 +40 50 45.116522700           ~ 12 0
44 2MASS J19300941+4402231 Ro* 19 30 09.4139506632 +44 02 23.108333964           G5V 9 0
45 2MASS J19302939+4723510 Ro* 19 30 29.3938469640 +47 23 51.099160812           ~ 8 0
46 2MASS J19304010+4053230 Er* 19 30 40.1013788664 +40 53 23.086394268           ~ 10 0
47 2MASS J19304549+4734211 * 19 30 45.5233251624 +47 34 21.429181632           ~ 8 0
48 2MASS J19311598+4112294 * 19 31 15.9891494448 +41 12 29.371195152           ~ 6 0
49 UCAC4 684-068137 * 19 31 33.3324281064 +46 47 56.854469508   15.264 14.491 14.442   ~ 3 0
50 2MASS J19315586+4524537 Ro* 19 31 55.8707974704 +45 24 53.824280724           ~ 8 0
51 2MASS J19324867+3814510 * 19 32 48.6773446416 +38 14 51.037392552           K2IV 3 0
52 2MASS J19333728+4107497 Ro* 19 33 37.2868024464 +41 07 49.748707956           ~ 6 0
53 2MASS J19344632+5028168 V* 19 34 46.3344237696 +50 28 16.802926356           F5IV 4 0
54 2MASS J19345822+4147232 * 19 34 58.2177495288 +41 47 23.186795640           M2.5 19 0
55 2MASS J19350947+4002157 * 19 35 09.4768846224 +40 02 15.642098952           G0 10 0
56 2MASS J19352119+3925241 * 19 35 21.1821842592 +39 25 24.134725128           ~ 10 0
57 Kepler-685 Ro* 19 35 29.2598583840 +38 25 22.609698816           K0IV 46 0
58 Kepler-685b Pl 19 35 29.2598583840 +38 25 22.609698816           ~ 21 0
59 2MASS J19361420+3850192 * 19 36 14.1977293080 +38 50 19.102133508           ~ 10 0
60 2MASS J19374531+4519043 * 19 37 45.3109243872 +45 19 04.376468892           ~ 12 0
61 UCAC4 697-067879 * 19 38 06.0027155808 +49 14 40.365749112   15.398 14.895 14.772   ~ 3 0
62 2MASS J19390571+4351138 * 19 39 05.7094869984 +43 51 13.772026116           ~ 9 0
63 Kepler-1169b Pl 19 39 38.7763349040 +46 29 29.244631200           ~ 26 0
64 Kepler-1169 Ro* 19 39 38.7763349040 +46 29 29.244631200           G0IV 53 0
65 2MASS J19400504+4942551 Ro* 19 40 05.0420431512 +49 42 55.092934404           ~ 11 0
66 2MASS J19420174+4529562 Ro* 19 42 01.7367116808 +45 29 56.089905252           ~ 19 0
67 2MASS J19420530+4223100 * 19 42 05.2967526552 +42 23 09.945845952           ~ 10 0
68 2MASS J19422547+3912356 * 19 42 25.4777843544 +39 12 35.638154172           ~ 11 0
69 ZTF J194522.34+391909.1 BY* 19 45 22.3439795304 +39 19 08.847817284           ~ 14 0
70 2MASS J19455015+4255056 * 19 45 50.1546261072 +42 55 05.525527116           ~ 14 0
71 2MASS J19460634+4104233 * 19 46 06.3411578016 +41 04 23.319582960           ~ 8 0
72 2MASS J19461294+4356021 ** 19 46 12.942 +43 56 02.10           ~ 9 0
73 2MASS J19474607+4006320 * 19 47 46.0780649040 +40 06 31.992362136           ~ 12 0
74 2MASS J19480313+4921142 Ro* 19 48 03.1330888776 +49 21 14.182962084           ~ 11 0
75 2MASS J19480366+4640134 Ro* 19 48 03.6687398040 +46 40 13.458212436           ~ 9 0
76 2MASS J19482513+4002109 * 19 48 25.1311798872 +40 02 10.925791764           ~ 8 0
77 2MASS J19483413+4555298 * 19 48 34.1390442432 +45 55 29.952596352           ~ 9 0
78 2MASS J19485393+4423033 Ro* 19 48 53.9350833576 +44 23 03.439820616           ~ 8 0
79 Kepler-1229 Er* 19 49 56.8076265768 +46 59 48.103495728       15.830   M0 62 0
80 KOI-2418.01 Pl 19 49 56.8076265768 +46 59 48.103495728           ~ 54 0
81 UCAC4 650-078092 * 19 50 11.7969859080 +39 58 14.307556080   14.905 14.155 14.015   ~ 3 0
82 2MASS J19502364+4326515 * 19 50 23.6400068760 +43 26 51.561109536           ~ 13 0
83 2MASS J19514064+4621295 Ro* 19 51 40.6533661512 +46 21 29.425433364           ~ 8 0
84 2MASS J19515846+4720339 Ro* 19 51 58.4647145784 +47 20 33.944475840           ~ 7 0
85 2MASS J19523026+3955145 Ro* 19 52 30.2628880176 +39 55 14.603602080           ~ 7 0
86 ZTF J195303.10+405509.1 BY* 19 53 03.1054239492 +40 55 09.055507617   17.785 16.537 15.814   ~ 9 0
87 KIC 5560359 * 19 53 33.3936614886 +40 43 24.380267272           ~ 2 0
88 2MASS J19543972+4844482 Ro* 19 54 39.7336411296 +48 44 48.130386864           ~ 7 0
89 2MASS J19550382+4704037 Ro* 19 55 03.8218845432 +47 04 03.728249652           ~ 8 0
90 2MASS J19561258+4335485 * 19 56 12.5747693808 +43 35 48.546104244           ~ 14 0
91 2MASS J19572038+4347139 * 19 57 20.3893229496 +43 47 13.954678692           ~ 9 0
92 2MASS J19584081+4722594 * 19 58 40.8139156392 +47 22 59.419609212           G2V 3 0
93 2MASS J19594954+4402182 * 19 59 49.5480110448 +44 02 18.225959496           F6V 3 0
94 2MASS J20001882+4505134 Ro* 20 00 18.8234768520 +45 05 13.518242628           K6V 14 0
95 2MASS J20010749+4430143 * 20 01 07.4924875296 +44 30 14.345771832           ~ 9 0
96 2MASS J20033131+4520584 * 20 03 31.3158935544 +45 20 58.448352912           ~ 11 0

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