2017AJ....154...60W

Query : 2017AJ....154...60W

2017AJ....154...60W - Astron. J., 154, 60-60 (2017/August-0)

Absence of a metallicity effect for ultra-short-period planets.

WINN J.N., SANCHIS-OJEDA R., ROGERS L., PETIGURA E.A., HOWARD A.W., ISAACSON H., MARCY G.W., SCHLAUFMAN K.C., CARGILE P. and HEBB L.

Abstract (from CDS):

Ultra-short-period (USP) planets are a newly recognized class of planets with periods shorter than one day and radii smaller than about 2 R⊕. It has been proposed that USP planets are the solid cores of hot Jupiters that have lost their gaseous envelopes due to photo-evaporation or Roche lobe overflow. We test this hypothesis by asking whether USP planets are associated with metal-rich stars, as has long been observed for hot Jupiters. We find the metallicity distributions of USP-planet and hot-Jupiter hosts to be significantly different (p = 3 x 10–4) based on Keck spectroscopy of Kepler stars. Evidently, the sample of USP planets is not dominated by the evaporated cores of hot Jupiters. The metallicity distribution of stars with USP planets is indistinguishable from that of stars with short-period planets with sizes between 2 and 4 R⊕. Thus, it remains possible that the USP planets are the solid cores of formerly gaseous planets that are smaller than Neptune.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): atmospheres - planetary systems - planets and satellites: detection - stars: abundances - stars: abundances

Simbad objects: 95

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Number of rows : 95
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 CoRoT-7b Pl 06 43 49.4690164104 -01 03 46.826642700           ~ 422 1
2 * rho01 Cnc e Pl 08 52 35.8111044043 +28 19 50.954994470           ~ 682 1
3 KOI-4070 EB* 18 45 45.7674676056 +47 14 47.309787600           ~ 24 0
4 KOI-1169 Ro* 18 46 12.2883221424 +47 28 11.809241868           G4V 48 0
5 Kepler-780 Er* 18 47 03.9381963096 +44 17 33.134333460   14.221 13.456 13.316   G5 52 0
6 Kepler-653 Ro* 18 48 51.1087091640 +46 43 04.156997268           K0IV-V 65 0
7 Kepler-422 Er* 18 50 31.1172439656 +46 19 23.993631336           G2V 83 0
8 KOI-4366 Ro* 18 51 39.3687612912 +47 58 12.936332532           ~ 28 0
9 Kepler-1566 Ro* 18 54 21.0265251960 +40 34 29.781183036           ~ 33 0
10 Kepler-1547 Ro* 18 55 03.3743589144 +42 13 19.692588036           G1 35 0
11 Kepler-1310 Ro* 18 55 40.8089139552 +40 44 24.352535040           ~ 43 0
12 Kepler-1338 Ro* 18 56 10.1547565368 +41 41 56.835005820           M6 39 0
13 Kepler-922 Ro* 18 58 55.5556720056 +49 31 59.451658644           F9 41 0
14 Kepler-1415 Ro* 19 00 37.6439812896 +47 52 23.965596480           ~ 27 0
15 Kepler-1814 Ro* 19 00 52.0051328232 +41 16 56.829250632           ~ 47 0
16 Kepler-43 EB* 19 00 57.8034040200 +46 40 05.665887660   13.8   14.16   G0 105 1
17 Kepler-447 Ro* 19 01 04.4556648384 +48 33 35.945205516           G5 62 0
18 Kepler-1932 Ro* 19 01 19.5699678192 +41 03 50.042909160           ~ 41 0
19 Kepler-1067 Ro* 19 01 32.9789013048 +45 02 56.586043176           ~ 58 0
20 Kepler-1258 Ro* 19 01 37.1912497470 +49 59 40.998111364           G2 40 0
21 Kepler-1604 Ro* 19 01 38.5531935240 +44 24 44.041689648           ~ 34 0
22 Kepler-4 Er* 19 02 27.6979514832 +50 08 08.703945600   13.114 12.293 12.195   G0 119 1
23 Kepler-10b Pl 19 02 43.0613892904 +50 14 28.701617339           ~ 322 1
24 Kepler-10 Em* 19 02 43.0613892904 +50 14 28.701617339       11.00   G2V 238 1
25 KOI-3689 Ro* 19 03 53.2323233520 +42 32 44.529336024           ~ 28 0
26 Kepler-407 Er* 19 04 08.7180702936 +49 36 52.219314504   13.601 12.664 12.508   G7 90 0
27 KOI-2763 Ro* 19 04 11.9807577552 +38 57 36.673174944           ~ 34 0
28 KOI-466 Ro* 19 04 36.4814421576 +45 19 57.311590692           G1 42 0
29 Kepler-290 Ro* 19 05 38.4000976080 +42 40 53.532912216           ~ 54 0
30 Kepler-1 Em* 19 07 14.0375836512 +49 18 59.091482160   11.85 11.25     G0V 195 2
31 Kepler-828 Er* 19 07 32.9430889536 +42 28 16.469886216   16.112 15.346 15.065   ~ 48 0
32 Kepler-491 EB* 19 08 31.3446274272 +42 21 00.609790608           K1 71 0
33 KOI-2916 Ro* 19 10 56.5712444064 +42 49 24.290396040           ~ 26 0
34 Kepler-1139 Ro* 19 11 46.9470108024 +39 13 50.001240576           K2 51 0
35 KOI-141 Er* 19 12 09.190104 +50 39 05.79024   14.86 13.82 13.76   G8V 48 0
36 KOI-4430 Ro* 19 14 23.2368597696 +46 19 33.705263892           ~ 24 0
37 Kepler-63 Er* 19 16 54.2861367672 +49 32 53.451062520   12.449 11.733 11.701   G2V 145 1
38 Kepler-1446 Ro* 19 17 41.7499081320 +46 43 34.198938804           ~ 52 0
39 Kepler-426 Ro* 19 17 44.3197671864 +49 28 24.305841048   15.736 15.073 14.863 14.735 ~ 58 0
40 Kepler-77 Ro* 19 18 25.9101027984 +44 20 43.571253840   15.03 14.10 13.91   G5V 84 1
41 KOI-4469 Ro* 19 19 01.5574376112 +46 57 10.460180160           ~ 17 0
42 KOI-2874 EB* 19 19 26.1334711080 +45 30 13.766974956           ~ 34 0
43 Kepler-1264 Ro* 19 19 32.2570543800 +45 12 41.463309744           F9 44 0
44 Kepler-1409 Ro* 19 20 20.3423408040 +51 12 30.988478520           K0 41 0
45 2MASS J19202414+4852350 * 19 20 24.1481513904 +48 52 34.989543372           ~ 15 0
46 KOI-4144 * 19 21 20.9233573944 +38 12 17.927782236           F9V 28 0
47 2MASS J19212709+4112355 * 19 21 27.0953573232 +41 12 35.402182164           ~ 4 0
48 KOI-2607 Ro* 19 22 44.3271183936 +40 15 19.622074680           ~ 36 0
49 Kepler-845 Er* 19 23 49.8164159496 +49 12 13.688837964   15.995 14.939 14.716   K3 50 0
50 Kepler-1107 Ro* 19 24 11.9792222136 +39 08 29.941035324           ~ 49 0
51 Kepler-607 Ro* 19 24 13.7214465480 +44 37 56.571524436           K1 47 0
52 KOI-4746 Ro* 19 24 29.8836523824 +37 59 11.492319156           ~ 17 0
53 Kepler-75 Er* 19 24 33.0185656152 +36 34 38.477691264   16.237 15.353 15.258   ~ 71 1
54 Kepler-775 Ro* 19 25 43.9934338032 +41 42 12.333307248           G7 60 0
55 Kepler-808 ** 19 26 22.585704 +48 26 44.07828   15.904 14.658 14.354   K5 49 0
56 Kepler-234 Er* 19 26 36.8454998328 +38 29 40.739938080       15.740   ~ 49 0
57 Kepler-1976 EB* 19 28 40.0933854240 +48 43 39.322553952           ~ 48 0
58 KOI-1239 Ro* 19 28 42.8665703856 +42 00 21.259734192           ~ 48 0
59 Kepler-1813 ** 19 28 57.581736 +48 30 41.64732   16.804 15.682 15.721   ~ 46 0
60 Kepler-1559 Ro* 19 29 08.7849169579 +42 04 20.782180030           ~ 43 0
61 KOI-3204 V* 19 29 45.9201283200 +49 18 59.023489572   12.60 11.90     F0IV 11 0
62 2MASS J19305184+3756378 * 19 30 51.8503660800 +37 56 37.784190480           ~ 14 0
63 Kepler-1323 Ro* 19 31 29.3445892464 +46 05 55.914395172   12.71 13.00     F8V 54 0
64 KOI-2796 Ro* 19 31 29.7977085360 +48 56 11.707284084           ~ 30 0
65 KOI-2093 Ro* 19 31 49.0046609688 +41 56 05.295945264           ~ 42 0
66 Kepler-1173 Ro* 19 32 31.4632745376 +45 39 48.737373408           K0 49 0
67 KOI-2571 Ro* 19 32 32.8807194360 +42 21 01.637208720           ~ 43 0
68 KOI-4018 EB* 19 33 24.2386982232 +40 03 34.923967596           ~ 23 0
69 Kepler-78 EB* 19 34 58.0137407208 +44 26 53.960186940   12.87 11.72     K2.5V 98 1
70 Kepler-78b Pl 19 34 58.0137407208 +44 26 53.960186940           ~ 153 1
71 KOI-2396 Ro* 19 35 53.4707430672 +50 38 42.559675152           ~ 30 0
72 KOI-3913 Ro* 19 38 27.0045949056 +47 20 35.715958944           ~ 35 0
73 Kepler-1834 Ro* 19 38 39.5301570288 +39 47 01.773474324           ~ 46 0
74 Kepler-1087 Ro* 19 39 54.9207031752 +46 00 20.349669312           K1 56 0
75 Kepler-485 Ro* 19 39 59.1150655776 +50 28 12.194378292           F9 61 0
76 Kepler-487 Ro* 19 41 08.9282369832 +41 13 19.055345232   15.89 14.84 15.60 14.39 ~ 87 1
77 KOI-2813 ** 19 41 22.119120 +48 51 22.14108   14.736 13.884 13.514   G6V 47 0
78 Kepler-1315 Er* 19 43 17.1500151288 +46 03 11.020819896       15.034   ~ 58 0
79 Kepler-1523 Ro* 19 44 12.9769973304 +45 49 37.420965480           ~ 47 0
80 Kepler-15 Ro* 19 44 48.1365025872 +49 08 24.297539028       14.03   G8IV-V 88 1
81 Kepler-1340 Ro* 19 44 55.8707744424 +42 28 22.061557812           ~ 41 0
82 Kepler-554 EB* 19 45 37.6382935728 +51 21 29.346826284           ~ 49 0
83 Kepler-1228 PM* 19 46 12.7329343930 +46 57 58.599601773           G8 37 0
84 KOI-2879 Ro* 19 46 48.4465007064 +42 30 31.103726724           ~ 29 0
85 Kepler-6 Ro* 19 47 20.9379557640 +48 14 23.759029608           ~ 109 1
86 KOI-2875 Ro* 19 47 51.3121477800 +50 44 43.434471912           ~ 33 0
87 KOI-4109 Ro* 19 48 19.9328526144 +43 40 47.866716588           ~ 28 0
88 BD+47 2936 EB* 19 50 50.2472976936 +48 04 51.101390496       8.8   K4V 359 1
89 Kepler-990 Ro* 19 51 45.1756915728 +46 52 53.022060660           G4 48 0
90 Kepler-17 Ro* 19 53 34.8643397568 +47 48 54.049530564   14.6   13.6   G5V 175 1
91 Kepler-929 Ro* 19 53 55.4690164680 +41 36 55.215441540           ~ 43 0
92 Kepler-318 Ro* 19 53 55.8772899792 +46 47 37.043589948           A2V 57 0
93 KOI-3065 Ro* 19 54 09.5175569664 +40 11 01.153972212           ~ 34 0
94 Kepler-424 Er* 19 54 29.9854950120 +48 34 38.802689796   15.326 14.521 14.317   ~ 63 0
95 KOI-4841 * 19 58 11.2161059328 +40 40 54.809405976           ~ 14 0

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