2018AJ....155...10C

Query : 2018AJ....155...10C

2018AJ....155...10C - Astron. J., 155, 10-10 (2018/January-0)

K2-136: a binary system in the Hyades Cluster hosting a Neptune-sized planet.

CIARDI D.R., CROSSFIELD I.J.M., FEINSTEIN A.D., SCHLIEDER J.E., PETIGURA E.A., DAVID T.J., BRISTOW M., PATEL R.I., ARNOLD L., BENNEKE B., CHRISTIANSEN J.L., DRESSING C.D., FULTON B.J., HOWARD A.W., ISAACSON H., SINUKOFF E. and THACKERAY B.

Abstract (from CDS):

We report the discovery of a Neptune-size planet (Rp=3.0 R⊕) in the Hyades Cluster. The host star is in a binary system, comprising a K5V star and M7/8V star with a projected separation of 40 au. The planet orbits the primary star with an orbital period of 17.3 days and a transit duration of 3 hrs. The host star is bright (V = 11.2, J = 9.1) and so may be a good target for precise radial velocity measurements. K2-136A c is the first Neptune-sized planet to be found orbiting in a binary system within an open cluster. The Hyades is the nearest star cluster to the Sun, has an age of 625-750 Myr, and forms one of the fundamental rungs in the distance ladder; understanding the planet population in such a well-studied cluster can help us understand and set constraints on the formation and evolution of planetary systems.

Abstract Copyright: © 2017. The American Astronomical Society.

Journal keyword(s): planets and satellites: detection - stars: individual: (EPIC 247589423AB, K2-136A c, K2-136AB) - stars: individual: (EPIC 247589423AB, K2-136A c, K2-136AB)

Simbad objects: 30

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Number of rows : 30
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 285507b Pl 04 07 01.2255871032 +15 20 06.105707556           ~ 18 0
2 K2-25 Er* 04 13 05.6131374072 +15 14 52.018080576   15.81 15.56 13.72   M4.5V 73 0
3 K2-25b Pl 04 13 05.6131374072 +15 14 52.018080576           ~ 79 0
4 * eps Tau b Pl 04 28 37.0002551195 +19 10 49.563140930           ~ 25 1
5 K2-136b Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 19 0
6 K2-136d Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 17 0
7 K2-136c Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 24 0
8 K2-136 PM* 04 29 38.9939167752 +22 52 57.793533924   12.48 11.20 10.90   K5.5V 54 0
9 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3074 0
10 NAME V830 Tau b Pl 04 33 10.0300557048 +24 33 43.255480860           K7.5 34 0
11 NAME CI Tau b Pl 04 33 52.0143963264 +22 50 30.094090908           ~ 25 0
12 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4414 0
13 HD 31411 * 04 55 58.3520951520 +05 23 56.485519116   6.520 6.485     A0V 50 0
14 BD-13 2130b Pl 07 37 09.2332503816 -13 54 23.956897032           ~ 21 1
15 NGC 2423 OpC 07 37 11.8 -13 51 47           ~ 149 0
16 K2-95b Pl 08 37 27.0563032536 +18 58 36.021202824           ~ 37 0
17 K2-100b Pl 08 38 24.3002838928 +20 06 21.828057218           ~ 67 0
18 K2-104b Pl 08 38 32.8359046503 +19 46 25.591543965           ~ 24 0
19 NGC 2632 OpC 08 40 13.0 +19 37 16           ~ 1564 0
20 K2-102b Pl 08 40 13.4534275080 +19 46 43.709186244           ~ 15 0
21 K2-101b Pl 08 41 22.5783027954 +18 56 01.947224876           ~ 22 0
22 K2-103b Pl 08 41 38.4893118114 +17 38 24.084971669           ~ 20 0
23 BD+20 2184b Pl 08 41 43.8160475073 +20 13 36.752729096           ~ 14 1
24 [QWL2012] Pr0211c Pl 08 42 11.4988704792 +19 16 37.237499940           ~ 14 0
25 [QWL2012] Pr0211b Pl 08 42 11.4988704792 +19 16 37.237499940           ~ 18 1
26 K2-33b Pl 16 10 14.7377409264 -19 19 09.407629452           ~ 66 0
27 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
28 Kepler-66b Pl 19 35 55.5742859415 +46 41 15.957071005           ~ 39 1
29 Kepler-67b Pl 19 36 36.8093759520 +46 09 59.166722448           ~ 37 1
30 NGC 6811 OpC 19 37 21.6 +46 22 41   7.47 6.8     ~ 378 0

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