2016ApJ...831...64T


C.D.S. - SIMBAD4 rel 1.7 - 2020.04.09CEST16:10:32

2016ApJ...831...64T - Astrophys. J., 831, 64-64 (2016/November-1)

The mass-metallicity relation for giant planets.

THORNGREN D.P., FORTNEY J.J., MURRAY-CLAY R.A. and LOPEZ E.D.

Abstract (from CDS):

Exoplanet discoveries of recent years have provided a great deal of new data for studying the bulk compositions of giant planets. Here we identify 47 transiting giant planets (20 M < M < 20 MJ) whose stellar insolations are low enough (F* < 2 x 108 erg s–1 cm–2, or roughly Teff < 1000) that they are not affected by the hot-Jupiter radius inflation mechanism(s). We compute a set of new thermal and structural evolution models and use these models in comparison with properties of the 47 transiting planets (mass, radius, age) to determine their heavy element masses. A clear correlation emerges between the planetary heavy element mass Mz and the total planet mass, approximately of the form Mz∝\sqrtM. This finding is consistent with the core-accretion model of planet formation. We also study how stellar metallicity [Fe/H] affects planetary metal-enrichment and find a weaker correlation than has previously been reported from studies with smaller sample sizes. We confirm a strong relationship between the planetary metal-enrichment relative to the parent star Zplanet/Zstar and the planetary mass, but see no relation in Zplanet/Zstar with planet orbital properties or stellar mass. The large heavy element masses of many planets (>50 M) suggest significant amounts of heavy elements in H/He envelopes, rather than cores, such that metal-enriched giant planet atmospheres should be the rule. We also discuss a model of core-accretion planet formation in a one-dimensional disk and show that it agrees well with our derived relation between mass and Zplanet/Zstar.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): planets and satellites: composition - planets and satellites: gaseous planets - planets and satellites: interiors - planets and satellites: physical evolution - planets and satellites: physical evolution

VizieR on-line data: <Available at CDS (J/ApJ/831/64): table1.dat refs.dat>

Status at CDS:  

Simbad objects: 49

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Number of rows : 49

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 17156b Pl 02 49 44.4866941172 +71 45 11.632197644           ~ 157 1
2 WASP-139b Pl? 03 18 14.9435363553 -41 18 07.664491959           ~ 11 0
3 HAT-P-15b Pl 04 24 59.5347962291 +39 27 38.312403582           ~ 39 1
4 HATS-6b Pl? 05 52 35.2366541380 -19 01 53.970515066           ~ 26 0
5 HAT-P-54b Pl? 06 39 35.5182490792 +25 28 57.157090859           ~ 11 0
6 CoRoT-24c Pl? 06 47 41.4116571586 -03 43 09.483794512           ~ 6 0
7 HAT-P-20b Pl 07 27 39.9487418539 +24 20 11.518276475           ~ 54 1
8 WASP-84b Pl? 08 44 25.7032891140 +01 51 36.106556176           ~ 14 0
9 * rho01 Cnc b Pl 08 52 35.81093 +28 19 50.9511     13.16     ~ 227 1
10 HD 80606b Pl 09 22 37.5769478105 +50 36 13.434928660           ~ 270 1
11 K2-27b Pl 11 26 03.6414229621 +01 13 50.663514975           ~ 12 0
12 K2-19b Pl 11 39 50.4804464997 +00 36 12.877309991           ~ 21 0
13 Ross 905b Pl 11 42 11.0932 +26 42 23.653           ~ 573 1
14 HATS-17b Pl? 12 48 45.5453594560 -47 36 49.287804071           ~ 15 0
15 WASP-130b Pl? 13 32 25.4360990191 -42 28 30.964673970           ~ 6 0
16 HAT-P-12b Pl 13 57 33.4668502171 +43 29 36.602501754           ~ 117 1
17 WASP-132b Pl? 14 30 26.1892048112 -46 09 33.122807196           ~ 5 0
18 K2-24b Pl 16 10 17.6977179986 -24 59 25.258944730           ~ 13 0
19 K2-24c Pl 16 10 17.6977179986 -24 59 25.258944730           ~ 17 0
20 HAT-P-18b Pl 17 05 23.1475847690 +33 00 44.939145027           ~ 54 1
21 CoRoT-9b Pl 18 43 08.8101080314 +06 12 14.912939950           ~ 57 1
22 Kepler-30c Pl 19 01 08.0746750853 +38 56 50.218666290           ~ 50 1
23 Kepler-30d Pl 19 01 08.0746750853 +38 56 50.218666290           ~ 50 1
24 KOI-377.01 Pl 19 02 17.7544105084 +38 24 03.177247136           ~ 83 1
25 KOI-377.02 Pl 19 02 17.7544105084 +38 24 03.177247136           ~ 78 1
26 Kepler-413 Al* 19 14 02.5618062386 +51 09 45.019125804           ~ 53 0
27 Kepler-413b Pl 19 14 02.5618062386 +51 09 45.019125804           ~ 39 0
28 KOI-209.01 Pl 19 15 10.3301781744 +48 02 24.785356330           ~ 33 0
29 Kepler-16b Pl 19 16 18.1759181246 +51 45 26.777781114           ~ 106 1
30 CoRoT-10b Pl 19 24 15.2868183023 +00 44 46.003932819           ~ 45 1
31 KOI-889.01 Pl 19 24 33.0185863758 +36 34 38.477482370           ~ 30 1
32 KOI-1257.01 Pl? 19 24 54.0384866371 +44 55 38.518268700           ~ 23 0
33 KOI-370.01 Pl 19 25 33.0615390501 +44 31 44.750974233           ~ 22 0
34 CoRoT-8b Pl 19 26 21.2426686221 +01 25 35.178176730           ~ 42 1
35 Kepler-45b Pl 19 31 29.4966619067 +41 03 51.356309221           ~ 48 1
36 KOI-1299b Pl? 19 33 07.7292128625 +48 17 09.145380998           ~ 36 0
37 KOI-2937.02 Pl 19 37 59.2726236478 +46 41 22.952068619           ~ 72 1
38 Kepler-419b Pl? 19 41 40.2991192329 +51 11 05.166046221           ~ 38 1
39 KOI-2459.02 Pl 19 45 44.5975310719 +44 38 29.612454271           ~ 77 1
40 Kepler-89d Pl 19 49 19.9344504805 +41 53 28.005888625           ~ 57 1
41 KOI-3.01 Pl 19 50 50.2474562793 +48 04 51.097364378           ~ 271 1
42 KOI-2939b Pl? 19 52 36.0203688927 +40 39 22.342613661           ~ 24 0
43 KOI-372.01 Pl? 19 56 29.3872177213 +41 52 00.317939998           ~ 28 0
44 WASP-80b Pl 20 12 40.1691752075 -02 08 39.191157456           ~ 52 1
45 WASP-69b Pl? 21 00 06.1969250596 -05 05 40.037007561           ~ 35 1
46 HAT-P-17b Pl 21 38 08.7311406378 +30 29 19.445574063           ~ 51 1
47 WASP-59b Pl 23 18 29.54 +24 53 21.4           ~ 25 1
48 WASP-29b Pl 23 51 31.0840161955 -39 54 24.259966546           ~ 48 1
49 NAME CD-35 16019Ab Pl 23 59 36.0711854449 -35 01 52.923483315           ~ 90 0

    Equat.    Gal    SGal    Ecl

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2020.04.09-16:10:32

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