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 (2000)
RA 		ICRS (2000)
DEC 		Proper motions Parallaxes Redshift Rad. vel. cz Mag U Mag B Mag V Mag R Mag I Sp type Morph. type Angular size #ref
1983 - 2024
1 HD 285507b Planet 04 07 01.2255871032 +15 20 06.105707556 124.626 -19.786 22.2286 ~ ~ ~           ~ ~ ~ ~ ~ 18
2 K2-25 Eruptive* 04 13 05.6131374072 +15 14 52.018080576 122.450 -18.603 22.3572 0.000140 42.04 42.04   15.81 15.56 13.72   M4.5V ~ ~ ~ ~ 71
3 K2-25b Planet 04 13 05.6131374072 +15 14 52.018080576 122.450 -18.603 22.3572 ~ ~ ~           ~ ~ ~ ~ ~ 79
4 * eps Tau b Planet 04 28 37.0002551195 +19 10 49.563140930 107.526 -36.200 22.3654 ~ ~ ~           ~ ~ ~ ~ ~ 26
5 K2-136b Planet 04 29 38.9939167752 +22 52 57.793533924 82.778 -35.541 16.9818 ~ ~ ~           ~ ~ ~ ~ ~ 19
6 K2-136d Planet 04 29 38.9939167752 +22 52 57.793533924 82.778 -35.541 16.9818 ~ ~ ~           ~ ~ ~ ~ ~ 17
7 K2-136c Planet 04 29 38.9939167752 +22 52 57.793533924 82.778 -35.541 16.9818 ~ ~ ~           ~ ~ ~ ~ ~ 24
8 K2-136 HighPM* 04 29 38.9939167752 +22 52 57.793533924 82.778 -35.541 16.9818 0.000132 39.48 39.48   12.48 11.20 10.90   K5.5V ~ ~ ~ ~ 54
9 Cl Melotte 25 OpenCluster 04 29 47.3 +16 56 53 104.92 -28.00 21.052 0.000127 37.97 37.97           ~ ~ ~ ~ ~ 2951
10 NAME V830 Tau b Planet 04 33 10.0300557048 +24 33 43.255480860 7.171 -21.197 7.6704 ~ ~ ~           K7.5 ~ ~ ~ ~ 35
11 NAME CI Tau b Planet 04 33 52.0143963264 +22 50 30.094090908 8.942 -17.079 6.2376 ~ ~ ~           ~ ~ ~ ~ ~ 26
12 NAME Taurus Complex StarFormingReg 04 41.0 +25 52 ~ ~ ~           ~ ~ 450 300 ~ 4426
13 HD 31411 Star 04 55 58.3520951520 +05 23 56.485519116 -16.634 -14.690 7.6529 0.000072 21.6 21.60   6.520 6.485     A0V ~ ~ ~ ~ 43
14 BD-13 2130b Planet 07 37 09.2332503816 -13 54 23.956897032 -0.601 -3.625 1.0746 ~ ~ ~           ~ ~ ~ ~ ~ 21
15 NGC 2423 OpenCluster 07 37 11.8 -13 51 47 -0.7343 -3.6333 1.0438 0.000064 19.11 19.11           ~ ~ 32.2 32.2 0 140
16 K2-95b Planet 08 37 27.0563032536 +18 58 36.021202824 -35.776 -12.274 5.552 ~ ~ ~           ~ ~ ~ ~ ~ 37
17 K2-100b Planet 08 38 24.3002838928 +20 06 21.828057218 -35.967 -12.986 5.4723 ~ ~ ~           ~ ~ ~ ~ ~ 67
18 K2-104b Planet 08 38 32.8359046503 +19 46 25.591543965 -34.295 -12.834 5.3427 ~ ~ ~           ~ ~ ~ ~ ~ 24
19 NGC 2632 OpenCluster 08 40 13.0 +19 37 16 -36.047 -12.917 5.371 0.000117 34.94 34.94           ~ ~ 118.2 118.2 0 1497
20 K2-102b Planet 08 40 13.4534275080 +19 46 43.709186244 -35.102 -13.041 5.3957 ~ ~ ~           ~ ~ ~ ~ ~ 15
21 K2-101b Planet 08 41 22.5783027954 +18 56 01.947224876 -36.584 -12.452 5.3962 ~ ~ ~           ~ ~ ~ ~ ~ 22
22 K2-103b Planet 08 41 38.4893118114 +17 38 24.084971669 -36.075 -11.418 5.3628 ~ ~ ~           ~ ~ ~ ~ ~ 20
23 BD+20 2184b Planet 08 41 43.8160475073 +20 13 36.752729096 -36.253 -13.771 5.5405 0.000092 27.71 27.71           ~ ~ ~ ~ ~ 14
24 [QWL2012] Pr0211c Planet 08 42 11.4988704792 +19 16 37.237499940 -36.820 -12.384 5.4387 ~ ~ ~           ~ ~ ~ ~ ~ 14
25 [QWL2012] Pr0211b Planet 08 42 11.4988704792 +19 16 37.237499940 -36.820 -12.384 5.4387 ~ ~ ~           ~ ~ ~ ~ ~ 18
26 K2-33b Planet 16 10 14.7377409264 -19 19 09.407629452 -9.592 -23.964 7.1929 ~ ~ ~           ~ ~ ~ ~ ~ 69
27 NAME Upper Sco Association Association 16 12 -23.4 7.29527 ~ ~ ~           ~ ~ ~ ~ ~ 1368
28 Kepler-66b Planet 19 35 55.5742859415 +46 41 15.957071005 -3.464 -8.800 0.8430 ~ ~ ~           ~ ~ ~ ~ ~ 39
29 Kepler-67b Planet 19 36 36.8093759520 +46 09 59.166722448 -3.530 -8.741 0.8734 ~ ~ ~           ~ ~ ~ ~ ~ 37
30 NGC 6811 OpenCluster 19 37 21.6 +46 22 41 -3.399 -8.812 0.870 0.000024 7.1 7.10   7.47 6.8     ~ ~ 22.8 22.8 0 366

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