2015ApJ...800...99T


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.15CEST19:59:31

2015ApJ...800...99T - Astrophys. J., 800, 99 (2015/February-3)

Validation of 12 small Kepler transiting planets in the habitable zone.

TORRES G., KIPPING D.M., FRESSIN F., CALDWELL D.A., TWICKEN J.D., BALLARD S., BATALHA N.M., BRYSON S.T., CIARDI D.R., HENZE C.E., HOWELL S.B., ISAACSON H.T., JENKINS J.M., MUIRHEAD P.S., NEWTON E.R., PETIGURA E.A., BARCLAY T., BORUCKI W.J., CREPP J.R., EVERETT M.E., HORCH E.P., HOWARD A.W., KOLBL R., MARCY G.W., McCAULIFF S. and QUINTANA E.V.

Abstract (from CDS):

We present an investigation of 12 candidate transiting planets from Kepler with orbital periods ranging from 34 to 207 days, selected from initial indications that they are small and potentially in the habitable zone (HZ) of their parent stars. Few of these objects are known. The expected Doppler signals are too small to confirm them by demonstrating that their masses are in the planetary regime. Here we verify their planetary nature by validating them statistically using the BLENDER technique, which simulates large numbers of false positives and compares the resulting light curves with the Kepler photometry. This analysis was supplemented with new follow-up observations (high-resolution optical and near-infrared spectroscopy, adaptive optics imaging, and speckle interferometry), as well as an analysis of the flux centroids. For 11 of them (KOI-0571.05, 1422.04, 1422.05, 2529.02, 3255.01, 3284.01, 4005.01, 4087.01, 4622.01, 4742.01, and 4745.01) we show that the likelihood they are true planets is far greater than that of a false positive, to a confidence level of 99.73% (3σ) or higher. For KOI-4427.01 the confidence level is about 99.2% (2.6σ). With our accurate characterization of the GKM host stars, the derived planetary radii range from 1.1 to 2.7 R. All 12 objects are confirmed to be in the HZ, and nine are small enough to be rocky. Excluding three of them that have been previously validated by others, our study doubles the number of known rocky planets in the HZ. KOI-3284.01 (Kepler-438b) and KOI-4742.01 (Kepler-442b) are the planets most similar to the Earth discovered to date when considering their size and incident flux jointly.

Abstract Copyright:

Journal keyword(s): methods: statistical - planetary systems - stars: individual: (KOI-3284 (Kepler-438), KOI-4742 (Kepler-442)) - techniques: photometric

Simbad objects: 31

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Number of rows : 31

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 KOI-4005.01 Pl? 18 43 12.3733166343 +44 02 02.270467486           ~ 11 0
2 KOI-4005 Ro* 18 43 12.3733166343 +44 02 02.270467486           ~ 19 0
3 KOI-3284 ** 18 46 34.9969646986 +41 57 03.923317530           M1V 27 0
4 Kepler-438b Pl? 18 46 34.9969646986 +41 57 03.923317530           ~ 18 0
5 KOI-701.03 Pl 18 52 51.0518996853 +45 20 59.400075457           ~ 48 1
6 KOI-4622.01 Pl? 18 58 16.0587748670 +49 00 45.216076359           ~ 13 0
7 KOI-4622 Ro* 18 58 16.0587748670 +49 00 45.216076359           ~ 16 0
8 Kepler-440 Ro* 19 01 23.9948484506 +41 27 08.091821601           ~ 23 0
9 KOI-4087.01 Pl? 19 01 23.9948484506 +41 27 08.091821601           ~ 19 0
10 Kepler-442b Pl? 19 01 27.9742963430 +39 16 48.223608589           ~ 17 0
11 KOI-4742 Ro* 19 01 27.9742963430 +39 16 48.223608589           ~ 20 0
12 KOI-72.02 Pl 19 02 43.0612302512 +50 14 28.700759378           ~ 88 1
13 * 51 Dra * 19 04 55.1662410506 +53 23 47.952890641   5.37 5.38     A0Vn 51 0
14 Kepler-296 ** 19 06 09.572976 +49 26 14.54424           M2V 65 3
15 Kepler-296f Pl 19 06 09.602 +49 26 14.37           ~ 21 0
16 Kepler-296e Pl 19 06 09.602 +49 26 14.37           ~ 20 0
17 KOI-518.03 Pl 19 09 45.4027063681 +43 49 55.498919588           ~ 14 0
18 Kepler-443b Pl? 19 14 26.5362660095 +49 58 07.079441106           ~ 12 0
19 Kepler-443 Ro* 19 14 26.5362660095 +49 58 07.079441106           ~ 21 0
20 KOI-87.01 Pl 19 16 52.1904191915 +47 53 03.947532134           ~ 72 1
21 KOI-314c Pl 19 21 31.5681629849 +43 17 34.680374646           ~ 38 0
22 KOI-172.02 Pl 19 33 02.6304618239 +44 52 08.020270128           ~ 24 1
23 KOI-4427.01 Pl? 19 40 28.1364792026 +39 16 26.757806751           ~ 12 0
24 KOI-4427 Ro* 19 40 28.1364792026 +39 16 26.757806751           M1V 22 0
25 KOI-1361.01 Pl 19 41 13.0817764220 +42 28 30.987159495           ~ 21 1
26 KOI-3255 ** 19 49 23.365560 +44 01 36.96420       14.49   ~ 20 0
27 KOI-3255.01 Pl? 19 49 23.374 +44 01 37.01           ~ 10 0
28 KOI-571.05 Pl 19 54 36.6536205214 +43 57 18.025893926           ~ 48 0
29 KOI-571 Ro* 19 54 36.6536205214 +43 57 18.025893926           M1V 89 3
30 KOI-2529 Ro* 20 06 52.9788413800 +44 24 43.483628911           ~ 24 1
31 KOI-2529.02 Pl? 20 06 52.9788413800 +44 24 43.483628911           ~ 10 0

    Equat.    Gal    SGal    Ecl

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2019.10.15-19:59:31

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