2019MNRAS.489.5513C

Query : 2019MNRAS.489.5513C

2019MNRAS.489.5513C - Mon. Not. R. Astron. Soc., 489, 5513-5529 (2019/November-2)

Long rotation period main-sequence stars from Kepler SAP light curves.

CUI K., LIU J., YANG S., GAO Q., YANG H., SORIA R., HE L., WANG S., BAI Y. and YANG F.

Abstract (from CDS):

Stellar rotation plays a key role in stellar activity. The rotation period could be detected through light curve variations caused by star-spots. Kepler provides two types of light curves: one is the Pre-search Data Conditioning (PDC) light curves, and the other is the Simple Aperture Photometer (SAP) light curves. Compared with the PDC light curves, the SAP light curves keep the long-term trend, relatively suitable for searches of long-period signals. However, SAP data are inflicted by some artefacts such as quarterly rolls and instrumental errors, making it difficult to find the physical periods in the SAP light curves. We explore a systematic approach based on the light curve pre-processing, period detection, and candidate selection. We also develop a simulated light curve test to estimate our detection limits for the SAP-like LCs. After applying our method to the raw SAP light curves, we found more than 1000 main-sequence stars with periods longer than 30 d; 165 are newly discovered. Considering the potential flaw of the SAP, we also inspect the newly found objects with photometry methods, and most of our periodical signals are confirmed.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: rotation - stars: starspots - stars: statistics

Status at CDS : Large table(s) of objects being ingested in VizieR.

Simbad objects: 51

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Number of rows : 51
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 G 205-38 PM* 18 50 45.2532013152 +47 58 19.221723480   13.5   12.140   M3.5V 44 0
2 G 205-43 PM* 18 54 56.6392561247 +47 36 55.728420852   15.7   13.5   dM3.5 17 0
3 TYC 3127-1525-1 * 18 57 06.8589256272 +41 57 05.377616136   10.66 9.80     ~ 11 0
4 TYC 3541-2639-1 ** 18 57 12.741 +45 12 56.49   12.83 12.05     G8 10 0
5 2MASS J18581395+4450321 * 18 58 13.9496987112 +44 50 32.155758420           K0V 2 0
6 UCAC4 675-068634 PM* 18 58 23.0772719328 +44 50 47.504786820   14.495 13.292 12.765   ~ 6 0
7 2MASS J18590838+4943550 * 18 59 08.3983819992 +49 43 54.914648268           G0V 2 0
8 Kepler-1304 Ro* 19 01 06.3334259064 +39 26 48.733910232           ~ 34 0
9 UCAC4 665-071370 PM* 19 01 43.5159857328 +42 54 06.860907900   17.782 16.325 15.770   ~ 4 0
10 2MASS J19014452+4155193 Ro* 19 01 44.5235173440 +41 55 19.300386180           ~ 5 0
11 TYC 3132-1603-1 * 19 04 08.3805892152 +43 24 09.656166060   12.29 11.32     G0IV 9 0
12 Kepler-531 Er* 19 06 05.9649078288 +48 41 00.973199112   14.608 13.593 13.398   K2 55 0
13 Kepler-898 Ro* 19 06 20.4941017464 +46 52 15.348677952           M0V 39 0
14 2MASS J19080904+4618577 * 19 08 09.0212658504 +46 18 57.663523836           ~ 2 0
15 2MASS J19094601+4132345 Er* 19 09 46.0336298568 +41 32 34.671272568           K1IV 11 0
16 TYC 3133-2442-1 Em* 19 13 28.9309501176 +43 22 43.138811712   12.11 11.34     K1V 11 0
17 2MASS J19142040+3942415 Ro* 19 14 20.4056380224 +39 42 41.484945996           ~ 9 0
18 UCAC4 681-067993 * 19 16 02.6750880024 +46 03 04.102916544   14.237 13.175 12.850   K1.5IV 7 0
19 2MASS J19170999+3940019 * 19 17 09.9915296256 +39 40 01.931653812           K2 13 0
20 2MASS J19172058+3919545 * 19 17 20.5844444928 +39 19 54.461386704           K7V 10 0
21 UCAC4 695-065849 PM* 19 20 48.5567221824 +48 57 08.515678032       14.649   ~ 5 0
22 2MASS J19225008+3808121 * 19 22 50.0849495640 +38 08 12.100481628           K3V 15 0
23 2MASS J19231934+3723134 * 19 23 19.3480324920 +37 23 13.526595708           K8V 9 0
24 2MASS J19252267+3641336 * 19 25 22.6751723544 +36 41 33.604440540           ~ 10 0
25 UCAC4 661-075085 HB* 19 25 24.1628388360 +42 00 33.850226772   13.661 12.516 12.157   ~ 19 0
26 2MASS J19274704+4425330 SB* 19 27 47.0519447136 +44 25 33.084850404           K3V 14 0
27 2MASS J19275538+4758490 Em* 19 27 55.3834805136 +47 58 49.047617208           K2V 11 0
28 2MASS J19281966+4607249 Ro* 19 28 19.6627184208 +46 07 24.933797652           ~ 5 0
29 UCAC4 683-071494 * 19 31 10.1643691440 +46 31 08.555739096           ~ 4 0
30 LSPM J1931+4412 PM* 19 31 39.3352181496 +44 12 33.640658424       9.9   K2.5V 8 0
31 2MASS J19314752+3951209 Ro* 19 31 47.5272363072 +39 51 21.009776292           K2V 9 0
32 KOI-4389 Ro* 19 32 31.4516198784 +38 09 34.459548228           ~ 19 0
33 TYC 3556-2573-1 RG* 19 33 22.1483357760 +45 38 22.809079320   11.28 10.12     G8III 17 0
34 Ross 1063 SB* 19 33 39.4424861623 +39 31 36.614443412   13.06 11.39 11.175 9.39 M2V 49 0
35 2MASS J19353222+3941113 Ro* 19 35 32.2264134024 +39 41 11.226372324           ~ 7 0
36 2MASS J19354889+4218001 V* 19 35 48.8960955672 +42 18 00.047849112           ~ 2 0
37 2MASS J19364517+4027162 Ro* 19 36 45.1710717768 +40 27 16.224658020           ~ 4 0
38 Kepler-942 Ro* 19 39 49.2211396632 +44 08 59.436206304           K3V 54 0
39 2MASS J19412500+4848092 Ro* 19 41 24.9968660448 +48 48 09.302609592           ~ 6 0
40 2MASS J19451203+4240477 * 19 45 12.0312918360 +42 40 47.767783044           G5V 7 0
41 2MASS J19454855+4220374 Er* 19 45 48.5575587744 +42 20 37.317940800           ~ 3 0
42 TYC 3144-257-1 * 19 49 17.5428333216 +43 05 49.643966184   12.83 12.19     ~ 2 0
43 2MASS J19495399+4911051 V* 19 49 53.9931392088 +49 11 05.222023656           ~ 3 0
44 2MASS J19514704+4316199 * 19 51 47.0350992768 +43 16 19.895098512           ~ 8 0
45 2MASS J19520162+4328108 * 19 52 01.6178976216 +43 28 10.846709040           G5V 8 0
46 UCAC4 655-080519 * 19 52 46.7571807336 +40 58 41.922534864   14.646 13.320 12.872   ~ 12 0
47 UPM J1953+4217 PM* 19 53 24.3002490768 +42 17 24.160571052   15.008 13.550 13.056   ~ 11 0
48 UCAC4 691-071330 PM* 19 55 57.4379282904 +48 04 37.814462400   14.842 13.513 13.077   K6V 16 0
49 HD 189726 dS* 19 59 25.4739417024 +46 52 12.379147608   10.95 10.29     F5V 9 0
50 2MASS J20030827+4401520 * 20 03 08.2785335856 +44 01 52.016211732           ~ 1 0
51 TYC 3559-1528-1 SB* 20 04 28.2093365136 +45 11 51.226777608   11.66 11.27     kA7hA8mF4 15 0

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