2023ApJS..269...31E

Query : 2023ApJS..269...31E

2023ApJS..269...31E - Astrophys. J., Suppl. Ser., 269, 31 (2023/November-0)

Exploring the Ability of Hubble Space Telescope WFC3 G141 to Uncover Trends in Populations of Exoplanet Atmospheres through a Homogeneous Transmission Survey of 70 Gaseous Planets.

EDWARDS B., CHANGEAT Q., TSIARAS A., YIP K.H., AL-REFAIE A.F., ANISMAN L., BIEGER M.F., GRESSIER A., SHIBATA S., SKAF N., BOUWMAN J., CHO J.Y.-K., IKOMA M., VENOT O., WALDMANN I., LAGAGE P.-O. and TINETTI G.

Abstract (from CDS):

We present analysis of the atmospheres of 70 gaseous extrasolar planets via transit spectroscopy with Hubble's Wide Field Camera 3 (WFC3). For over half of these, we statistically detect spectral modulation that our retrievals attribute to molecular species. Among these, we use Bayesian hierarchical modeling to search for chemical trends with bulk parameters. We use the extracted water abundance to infer the atmospheric metallicity and compare it to the planet's mass. We also run chemical equilibrium retrievals, fitting for the atmospheric metallicity directly. However, although previous studies have found evidence of a mass-metallicity trend, we find no such relation within our data. For the hotter planets within our sample, we find evidence for thermal dissociation of dihydrogen and water via the H– opacity. We suggest that the general lack of trends seen across this population study could be due to (i) the insufficient spectral coverage offered by the Hubble Space Telescope's WFC3 G141 band, (ii) the lack of a simple trend across the whole population, (iii) the essentially random nature of the target selection for this study, or (iv) a combination of all the above. We set out how we can learn from this vast data set going forward in an attempt to ensure comparative planetology can be undertaken in the future with facilities such as the JWST, Twinkle, and Ariel. We conclude that a wider simultaneous spectral coverage is required as well as a more structured approach to target selection.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanet atmospheres - Exoplanet atmospheric composition - Bayesian statistics - Surveys - Hubble Space Telescope - Astronomy data reduction - Exoplanets - Extrasolar gaseous planets

Simbad objects: 140

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Number of rows : 140
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 KELT-1b Pl 00 01 26.9168207928 +39 23 01.784206464           ~ 149 0
2 KELT-1 Em* 00 01 26.9168207928 +39 23 01.784206464   11.23 10.63     F5 73 0
3 WASP-96 * 00 04 11.1376764240 -47 21 38.320831728     12.2     G8 50 0
4 WASP-96b Pl 00 04 11.1376764240 -47 21 38.320831728           ~ 94 0
5 HD 3167 PM* 00 34 57.5242131960 +04 22 53.284093032       8.4   K0V 128 0
6 HD 3167c Pl 00 34 57.5242131960 +04 22 53.284093032           ~ 82 0
7 NAME G 268-38b Pl 00 44 59.3309137511 -15 16 17.542839990           ~ 237 0
8 HD 10069 SB* 01 37 25.0332798696 -45 40 40.374717456   9.74 9.30     F6IV/V 260 1
9 HD 10069b Pl 01 37 25.0332798696 -45 40 40.374717456           ~ 444 1
10 BD+01 316 Em* 01 46 31.8575937456 +02 42 02.030065560   10.13 9.52     F7 105 0
11 BD+01 316b Pl 01 46 31.8575937456 +02 42 02.030065560           ~ 302 0
12 HAT-P-32b Pl 02 04 10.2774374568 +46 41 16.212315084           ~ 198 1
13 HAT-P-32 * 02 04 10.2774374568 +46 41 16.212315084   11.79 11.44 11.23   ~ 88 1
14 HAT-P-38b Pl 02 21 31.9803537360 +32 14 46.093339140           ~ 45 2
15 HAT-P-38 PM* 02 21 31.9803537360 +32 14 46.093339140   13.34 12.51 12.36   G 32 0
16 CD-50 714b Pl 02 27 06.0975766704 -50 17 04.310799828           ~ 46 0
17 CD-50 714 PM* 02 27 06.0975766704 -50 17 04.310799828   10.74 10.14     ~ 54 0
18 NAME V1298 Tau c Pl 04 05 19.5909996648 +20 09 25.563233736           ~ 64 0
19 NAME V1298 Tau b Pl 04 05 19.5909996648 +20 09 25.563233736           ~ 79 0
20 NAME V1298 Tau e Pl 04 05 19.5909996648 +20 09 25.563233736           ~ 33 0
21 V* V1298 Tau TT* 04 05 19.5909996648 +20 09 25.563233736   11.11 10.12 9.57   K1 194 0
22 CD-30 1812 * 04 25 29.0166589296 -30 36 01.610731368   10.45 10.04     F5 72 1
23 CD-30 1812b Pl 04 25 29.0166589296 -30 36 01.610731368           ~ 104 1
24 NAME L 231-32d Pl 04 33 39.7200127728 -51 57 22.435373160           ~ 128 0
25 NAME L 231-32c Pl 04 33 39.7200127728 -51 57 22.435373160           ~ 45 0
26 L 231-32 PM* 04 33 39.7200127728 -51 57 22.435373160     12.617 12.147   M3.0V 83 0
27 HD 33643b Pl 05 13 10.9289282640 +33 19 05.400733872           ~ 85 0
28 HD 33643 PM* 05 13 10.9289282640 +33 19 05.400733872 9.010 8.97 8.540   8.129 F2 78 0
29 CPD-64 484b Pl 05 48 33.5933253192 -63 59 18.388382028           ~ 73 1
30 CPD-64 484 * 05 48 33.5933253192 -63 59 18.388382028   10.73 10.21 9.93 9.742 ~ 89 1
31 CD-38 2551b Pl 06 17 20.7484979472 -38 19 23.754062640           ~ 61 1
32 CD-38 2551 * 06 17 20.7484979472 -38 19 23.754062640   11.74 11.15     G8 49 1
33 WASP-12b Pl 06 30 32.7966092352 +29 40 20.263502460           ~ 847 1
34 WASP-12 * 06 30 32.7966092352 +29 40 20.263502460   12.14 11.57     G0V 358 1
35 CPD-23 1329 * 06 33 24.2671186968 -23 29 10.297934988   10.78 10.34     F6 50 0
36 CPD-23 1329b Pl 06 33 24.2671186968 -23 29 10.297934988           ~ 60 0
37 CoRoT-1b Pl 06 48 19.1723766840 -03 06 07.710745140           ~ 187 1
38 CoRoT-1 * 06 48 19.1723766840 -03 06 07.710745140     13.6 13.44 12.88 G0V 142 2
39 CD-38 3220 * 07 10 24.0604565856 -39 05 50.571250476   11.00 10.51     F6V 145 0
40 CD-38 3220b Pl 07 10 24.0604565856 -39 05 50.571250476           ~ 421 0
41 LP 424-4 PM* 07 59 05.8395356736 +15 23 29.236065000   13.5   11.934   M2.0V 172 1
42 NAME LP 424-4b Pl 07 59 05.8395356736 +15 23 29.236065000           ~ 387 1
43 BD+10 1799 Em* 08 26 27.8490900672 +10 04 49.334175156   9.42 8.92     F6 76 0
44 BD+10 1799b Pl 08 26 27.8490900672 +10 04 49.334175156           ~ 27 0
45 BD+10 1799f Pl 08 26 27.8490900672 +10 04 49.334175156           ~ 50 0
46 * rho01 Cnc e Pl 08 52 35.8111044043 +28 19 50.954994470           ~ 682 1
47 WASP-19 * 09 53 40.0765648584 -45 39 33.057187596   13.05 12.31 12.12 11.35 G8V 207 2
48 WASP-19b Pl 09 53 40.0765648584 -45 39 33.057187596           ~ 423 1
49 NAME L 320-124b Pl 10 14 51.7786855411 -47 09 24.192778106           ~ 223 0
50 WASP-43b Pl 10 19 38.0088913464 -09 48 22.605801336           ~ 442 1
51 WASP-43 PM* 10 19 38.0088913464 -09 48 22.605801336   13.782 12.490 12.022 11.10 K7V 182 1
52 BD-03 2978b Pl 10 42 14.0836906368 -03 50 06.260144388           ~ 150 0
53 BD-03 2978 Em* 10 42 14.0836906368 -03 50 06.260144388   10.809 10.172     G5 84 0
54 HD 93396b Pl 10 46 49.7401839144 -09 23 56.495447700           ~ 70 0
55 HD 93396 PM* 10 46 49.7401839144 -09 23 56.495447700   8.87 8.04     G8/K0IV 73 0
56 TOI-674 PM* 10 58 20.9850496085 -36 51 29.136045782   15.742 14.203 13.914   ~ 23 0
57 TOI-674b Pl 10 58 20.9850496085 -36 51 29.136045782           ~ 34 0
58 HD 97658 PM* 11 14 33.1612754184 +25 42 37.390358520 9.049 8.569 7.714 7.259 6.835 K1V 222 1
59 HD 97658b Pl 11 14 33.1612754184 +25 42 37.390358520           ~ 234 1
60 WASP-31b Pl 11 17 45.3578677224 -19 03 17.217631800           ~ 143 1
61 WASP-31 * 11 17 45.3578677224 -19 03 17.217631800   12.01 11.66 11.98   F: 87 1
62 K2-18 PM* 11 30 14.5177445592 +07 35 18.255348492   15.01 13.50 13.24   dM2.5 153 0
63 K2-18b Pl 11 30 14.5177445592 +07 35 18.255348492           ~ 303 0
64 Ross 905 PM* 11 42 11.0933350978 +26 42 23.650782778   12.06 10.613 10.272 8.24 M3V 750 1
65 Ross 905b Pl 11 42 11.0933350978 +26 42 23.650782778           ~ 913 1
66 HD 106315 * 12 13 53.3962381416 -00 23 36.553445304   9.402 8.951     F5V 62 0
67 HD 106315c Pl 12 13 53.3962381416 -00 23 36.553445304           ~ 49 0
68 WASP-107 PM* 12 33 32.8441110816 -10 08 46.225572324   14.62 11.47     K7V 121 0
69 WASP-107b Pl 12 33 32.8441110816 -10 08 46.225572324           ~ 289 0
70 HAT-P-3 Em* 13 44 22.5937349736 +48 01 43.205733624   12.53 11.86     K1V 104 1
71 HAT-P-3b Pl 13 44 22.5937349736 +48 01 43.205733624           ~ 113 1
72 HAT-P-12b Pl 13 57 33.4668726399 +43 29 36.601508739           ~ 201 1
73 HAT-P-12 PM* 13 57 33.4668726399 +43 29 36.601508739   13.851 12.766 12.428   K5 113 1
74 HAT-P-26 PM* 14 12 37.5331103311 +04 03 36.116569918   12.33 11.76 11.56   K1 81 1
75 HAT-P-26b Pl 14 12 37.5331103311 +04 03 36.116569918           ~ 200 1
76 WASP-39b Pl 14 29 18.4151689656 -03 26 40.204480380           ~ 345 1
77 WASP-39 * 14 29 18.4151689656 -03 26 40.204480380   12.93 12.09 12.17 11.29 ~ 106 1
78 HD 134004b Pl 15 09 04.8933581184 -42 42 17.789374620           ~ 59 0
79 HD 134004 * 15 09 04.8933581184 -42 42 17.789374620   10.05 9.95     A1V 37 0
80 CD-27 10695b Pl 15 59 50.9491505016 -28 03 42.312819096           ~ 313 1
81 CD-27 10695 * 15 59 50.9491505016 -28 03 42.312819096   11.83 11.59 11.31 10.92 F4 141 1
82 BD+28 2507 V* 16 02 11.8462322592 +28 10 10.420201452   11.88 11.25     G1V 118 1
83 BD+28 2507b Pl 16 02 11.8462322592 +28 10 10.420201452           ~ 195 1
84 K2-33b Pl 16 10 14.7377409264 -19 19 09.407629452           ~ 93 0
85 CD-24 12581 PM* 16 10 17.6976776832 -24 59 25.260709632   12.22 11.28     ~ 58 0
86 CD-24 12581b Pl 16 10 17.6976776832 -24 59 25.260709632           ~ 45 0
87 HD 147506 * 16 20 36.3576063720 +41 02 53.106772488   9.15 8.69     F8V 199 1
88 HD 147506b Pl 16 20 36.3576063720 +41 02 53.106772488           ~ 274 1
89 HD 149026b Pl 16 30 29.6185771608 +38 20 50.308980864           ~ 388 1
90 HD 149026 PM* 16 30 29.6185771608 +38 20 50.308980864   8.75 8.14     G0IV 267 1
91 WASP-103b Pl 16 37 15.5765824488 +07 11 00.109678740           ~ 215 1
92 WASP-103 * 16 37 15.5765824488 +07 11 00.109678740     12.1     F8V 83 1
93 HAT-P-18b Pl 17 05 23.1475097496 +33 00 44.940001716           ~ 153 1
94 HAT-P-18 Em* 17 05 23.1475097496 +33 00 44.940001716   11.9   12.61   K2V 81 1
95 NAME G 139-21b Pl 17 15 18.9339850845 +04 57 50.066612336           ~ 845 1
96 G 139-21 PM* 17 15 18.9339850845 +04 57 50.066612336     14.71 13.26 11.50 M4.5V 372 1
97 TOI-2124b Pl 17 53 13.0489562760 +37 12 42.586493328           ~ 228 2
98 Kepler-9 Er* 19 02 17.7544327200 +38 24 03.176851896     13.9 13.791   G2 223 1
99 Kepler-9b Pl 19 02 17.7544327200 +38 24 03.176851896           ~ 121 1
100 Kepler-9c Pl 19 02 17.7544327200 +38 24 03.176851896           ~ 109 1
101 Kepler-1b Pl 19 07 14.0375836512 +49 18 59.091482160           ~ 349 2
102 BD+47 2846 Er* 19 28 59.3538826128 +47 58 10.217007804   10.97 10.48     F6V 343 1
103 BD+47 2846b Pl 19 28 59.3538826128 +47 58 10.217007804           ~ 415 1
104 WASP-67b Pl 19 42 58.5218345280 -19 56 58.521259680           ~ 60 1
105 WASP-67 * 19 42 58.5218345280 -19 56 58.521259680   12.90 12.54     K0V 39 1
106 Kepler-51 Er* 19 45 55.1428629456 +49 56 15.650520684       14.829   G4 165 1
107 Kepler-51b Pl 19 45 55.1428629456 +49 56 15.650520684           ~ 110 1
108 Kepler-51c Pl 19 45 55.1428629456 +49 56 15.650520684           ~ 63 1
109 Kepler-51d Pl 19 45 55.1428629456 +49 56 15.650520684           ~ 98 0
110 HAT-P-41 * 19 49 17.4398486136 +04 40 20.786070360   11.65 11.36     ~ 56 1
111 HAT-P-41b Pl 19 49 17.4398486136 +04 40 20.786070360           ~ 85 1
112 BD+47 2936 EB* 19 50 50.2472976936 +48 04 51.101390496       8.8   K4V 359 1
113 BD+47 2936b Pl 19 50 50.2472976936 +48 04 51.101390496           ~ 493 1
114 HD 189733b Pl 20 00 43.7129433648 +22 42 39.073143456           ~ 1610 1
115 HD 189733 BY* 20 00 43.7129433648 +22 42 39.073143456 9.241 8.578 7.648 7.126 6.68 K2V 991 1
116 Kepler-79d Pl 20 02 04.1057010912 +44 22 53.646047436           ~ 95 1
117 WASP-80 PM* 20 12 40.1693365800 -02 08 39.187438476   12.810 11.939 11.510 10.279 K7V-M0V 98 1
118 WASP-80b Pl 20 12 40.1693365800 -02 08 39.187438476           ~ 180 1
119 BD-01 3943 PM* 20 18 09.3209454504 -01 04 32.609372016   10.39 9.75     F9 45 0
120 BD-01 3943b Pl 20 18 09.3209454504 -01 04 32.609372016           ~ 64 0
121 BD-05 5432b Pl 21 00 06.1968214728 -05 05 40.034944176           ~ 219 1
122 BD-05 5432 PM* 21 00 06.1968214728 -05 05 40.034944176   10.93 9.87     ~ 103 1
123 HAT-P-17b Pl 21 38 08.7310010424 +30 29 19.446386748           ~ 102 1
124 HAT-P-17 PM* 21 38 08.7310010424 +30 29 19.446386748   11.33 10.38 10.24   G0 85 1
125 HD 209458b Pl 22 03 10.7727465312 +18 53 03.549393384           ~ 2037 1
126 HD 209458 V* 22 03 10.7727465312 +18 53 03.549393384   8.21 7.63     F9V 1193 1
127 NAME BD+37 4734Bb Pl 22 57 46.8442481880 +38 40 30.358351704           ~ 268 1
128 BD+37 4734B PM* 22 57 46.8442481880 +38 40 30.358351704   10.82 9.87     G0V 189 1
129 TRAPPIST-1b Pl 23 06 29.3684948589 -05 02 29.037301866           ~ 380 0
130 TRAPPIST-1 LM* 23 06 29.3684948589 -05 02 29.037301866     18.798 16.466 14.024 M7.5e 1306 0
131 WASP-6b Pl 23 12 37.7368282608 -22 40 26.273805024           ~ 150 1
132 WASP-6 * 23 12 37.7368282608 -22 40 26.273805024   12.90 11.91     G8V 112 1
133 WASP-52b Pl 23 13 58.7576098848 +08 45 40.572305352           ~ 155 1
134 WASP-52 * 23 13 58.7576098848 +08 45 40.572305352   12.9 12.0 12.03   K2V 106 1
135 HD 219666 PM* 23 18 13.6298981445 -56 54 14.035920520   10.60 9.81     G5V 34 0
136 HD 219666b Pl 23 18 13.6298981445 -56 54 14.035920520           ~ 32 0
137 CD-40 15273 PM* 23 51 31.0839097560 -39 54 24.258188484   12.15 11.33 10.896 10.10 K4V 82 1
138 CD-40 15273b Pl 23 51 31.0839097560 -39 54 24.258188484           ~ 88 1
139 CD-38 15670 PM* 23 54 40.2073116552 -37 37 40.524416508   10.55 9.76     G7V 61 0
140 CD-38 15670b Pl 23 54 40.2073116552 -37 37 40.524416508           ~ 79 0

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