2015ApJ...804...97C


C.D.S. - SIMBAD4 rel 1.7 - 2021.01.21CET07:26:38

2015ApJ...804...97C - Astrophys. J., 804, 97 (2015/May-2)

Revision of earth-sized Kepler planet candidate properties with high-resolution imaging by the Hubble Space Telescope.

CARTIER K.M.S., GILLILAND R.L., WRIGHT J.T. and CIARDI D.R.

Abstract (from CDS):

We present the results of our Hubble Space Telescope program and describe how our analysis methods were used to re-evaluate the habitability of some of the most interesting Kepler planet candidates. Our program observed 22 Kepler Object of Interest (KOI) host stars, several of which were found to be multiple star systems unresolved by Kepler. We use our high-resolution imaging to spatially resolve the stellar multiplicity of Kepler-296, KOI-2626, and KOI-3049, and develop a conversion to the Kepler photometry (Kp) from the F555W and F775W filters on WFC3/UVIS. The binary system Kepler-296 (five planets) has a projected separation of 0".217 (80 AU); KOI-2626 (one planet candidate) is a triple star system with a projected separation of 0".201 (70 AU) between the primary and secondary components and 0".161 (55 AU) between the primary and tertiary; and the binary system KOI-3049 (one planet candidate) has a projected separation of 0".464 (225 AU). We use our measured photometry to fit the separated stellar components to the latest Victoria-Regina Stellar Models with synthetic photometry to conclude that the systems are coeval. The components of the three systems range from mid-K dwarf to mid-M dwarf spectral types.We solved for the planetary properties of each system analytically and via an MCMC algorithm using our independent stellar parameters. The planets range from ∼1.6 to ∼ 4.2 R, mostly Super Earths and mini-Neptunes. As a result of the stellar multiplicity, some planets previously in the Habitable Zone are, in fact, not, and other planets may be habitable depending on their assumed stellar host.

Abstract Copyright:

Journal keyword(s): planetary systems - stars: fundamental parameters - stars: individual: (KIC 6263593, KIC 11497958, KIC 11768142) - 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 - 2021
#notes
1 KOI-1085 Ro* 18 44 12.0395784211 +47 11 17.376488012           M0V 29 0
2 Kepler-1418b Pl 18 51 59.404104 +41 40 42.68820           ~ 7 0
3 Kepler-1418 ** 18 51 59.404104 +41 40 42.68820   16.64 15.37 15.04   ~ 21 0
4 Kepler-1026 Ro* 18 54 25.2635070744 +39 59 52.729363310           ~ 23 0
5 Kepler-55 Ro* 19 00 40.4015371869 +44 01 35.369029215           K5 61 1
6 KOI-2525 Ro* 19 01 10.0655038958 +41 15 20.520808635           ~ 26 0
7 Kepler-10c Pl 19 02 43.0612302512 +50 14 28.700759378           ~ 103 1
8 Kepler-354 Ro* 19 03 00.3548492760 +41 20 08.296352376           ~ 26 0
9 Kepler-235 Ro* 19 04 18.9843376231 +39 16 41.943805645           M0V 55 0
10 Kepler-296b Pl 19 06 09.572976 +49 26 14.54424           ~ 23 0
11 Kepler-296f Pl 19 06 09.572976 +49 26 14.54424           ~ 25 0
12 Kepler-296c Pl 19 06 09.572976 +49 26 14.54424           ~ 22 0
13 Kepler-296 ** 19 06 09.572976 +49 26 14.54424           M2V 69 0
14 Kepler-296e Pl 19 06 09.572976 +49 26 14.54424           ~ 24 0
15 Kepler-296d Pl 19 06 09.572976 +49 26 14.54424           ~ 28 0
16 Kepler-310 Ro* 19 15 21.4377210244 +46 59 12.292771479           ~ 42 0
17 Kepler-705 Ro* 19 18 02.0397711383 +41 48 43.566850171           M2V 42 0
18 Kepler-1166 Ro* 19 21 23.6387166890 +50 54 10.220874484           ~ 21 0
19 Kepler-53 Ro* 19 21 50.8280173187 +40 33 44.886118602           ~ 57 1
20 Kepler-1520 Ro* 19 23 51.8899069766 +51 30 16.983558676           ~ 66 1
21 KOI-3259 Ro* 19 26 15.5384415582 +38 04 28.467373640           ~ 18 0
22 Kepler-1151 Ro* 19 28 59.4641823525 +47 52 42.360058352           ~ 21 0
23 Kepler-395 Ro* 19 34 02.6663587276 +45 08 11.741965305           M1V 35 0
24 Kepler-1652b Pl 19 37 27.832944 +49 54 54.21708           ~ 26 0
25 Kepler-1652 ** 19 37 27.832944 +49 54 54.21708           M2V 35 0
26 Kepler-54 Ro* 19 39 05.7418295788 +43 03 22.598054666           M1V 56 1
27 Kepler-1391 Ro* 19 39 19.4446226769 +46 39 34.502828384           G0IV 25 0
28 KOI-3256 PM* 19 43 49.9199614433 +49 02 27.717118299           ~ 8 0
29 Kepler-233 Ro* 19 45 27.9547099070 +51 19 10.205787463           ~ 28 0
30 Kepler-1176 Ro* 19 51 40.7374073330 +45 16 26.976212074           ~ 21 0
31 KOI-1686 * 19 54 01.7357505072 +41 28 44.714707780           M2V 18 0

    Equat.    Gal    SGal    Ecl

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2021.01.21-07:26:38

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