2022ApJS..258...40K

Query : 2022ApJS..258...40K

2022ApJS..258...40K - Astrophys. J., Suppl. Ser., 258, 40-40 (2022/February-1)

ExoClock Project. II. A Large-scale Integrated Study with 180 Updated Exoplanet Ephemerides.

KOKORI A., TSIARAS A., EDWARDS B., ROCCHETTO M., TINETTI G., BEWERSDORFF L., JONGEN Y., LEKKAS G., PANTELIDOU G., POULTOURTZIDIS E., WUNSCHE A., AGGELIS C., AGNIHOTRI V.K., ARENA C., BACHSCHMIDT M., BENNETT D., BENNI P., BERNACKI K., BESSON E., BETTI L., BIAGINI A., BRANDEBOURG P., BRETTON M., BRINCAT S.M., CALO M., CAMPOS F., CASALI R., CIANTINI R., CROW M.V., DAUCHET B., DAWES S., DELDEM M., DELIGEORGOPOULOS D., DYMOCK R., EENMAE T., EVANS P., ESSEIVA N., FALCO C., FERRATFIAT S., FOWLER M., FUTCHER S.R., GAITAN J., GRAU HORTA F., GUERRA P., HURTER F., JONES A., KANG W., KIISKINEN H., KIM T., LALOUM D., LEE R., LOMOZ F., LOPRESTI C., MALLONN M., MANNUCCI M., MARINO A., MARIO J.-C., MARQUETTE J.-B., MICHELET J., MILLER M., MOLLIER T., MOLINA D., MONTIGIANI N., MORTARI F., MORVAN M., MUGNAI L.V., NAPONIELLO L., NASTASI A., NEITO R., PACE E., PAPADEAS P., PASCHALIS N., PEREIRA C., PERROUD V., PHILLIPS M., PINTR P., PIOPPA J.-B., POPOWICZ A., RAETZ M., REGEMBAL F., RICKARD K., ROBERTS M., ROUSSELOT L., RUBIA X., SAVAGE J., SEDITA D., SHAVE-WALL D., SIOULAS N., SKOLNIK V., SMITH M., ST-GELAIS D., STOURAITIS D., STRIKIS I., THURSTON G., TOMACELLI A., TOMATIS A., TREVAN B., VALEAU P., VIGNES J.-P., VORA K., VRASTAK M., WALTER F., WENZEL B., WRIGHT D.E. and ZIBAR M.

Abstract (from CDS):

The ExoClock project is an inclusive, integrated, and interactive platform that was developed to monitor the ephemerides of the Ariel targets to increase the mission efficiency. The project makes the best use of all available resources, i.e., observations from ground telescopes, midtime values from the literature, and finally, observations from space instruments. Currently, the ExoClock network includes 280 participants with telescopes capable of observing 85% of the currently known Ariel candidate targets. This work includes the results of ∼1600 observations obtained up to 2020 December 31 from the ExoClock network. These data in combination with ∼2350 midtime values collected from the literature are used to update the ephemerides of 180 planets. The analysis shows that 40% of the updated ephemerides will have an impact on future scheduling as either they have a significantly improved precision or they have revealed biases in the old ephemerides. With the new observations, the observing coverage and rate for half of the planets in the sample has been doubled or more. Finally, from a population perspective, we identify that the differences in the 2028 predictions between the old and the new ephemerides have an STD that is double what is expected from Gaussian uncertainties. These findings have implications for planning future observations, where we will need to account for drifts potentially greater than the prediction uncertainties. The updated ephemerides are open and accessible to the wider exoplanet community both from our Open Science Framework repository and our website.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Transit photometry - Ephemerides - Exoplanets - Amateur astronomy

VizieR on-line data: <Available at CDS (J/ApJS/258/40): table2.dat refs.dat>

Simbad objects: 180

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Number of rows : 180
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 WASP-96b Pl 00 04 11.1376764240 -47 21 38.320831728           ~ 94 0
3 WASP-44b Pl 00 15 36.7694650296 -11 56 17.284833996           ~ 39 1
4 WASP-32b Pl 00 15 50.8077262344 +01 12 01.588900896           ~ 47 1
5 WASP-26b Pl 00 18 24.7008060816 -15 16 02.275778784           ~ 50 1
6 Qatar 4b Pl 00 19 26.2246764456 +44 01 39.485708040           ~ 23 0
7 CD-24 102b Pl 00 20 38.5350433008 -23 56 08.602809216           ~ 39 1
8 WASP-1b Pl 00 20 40.0745768856 +31 59 23.954809596           ~ 134 1
9 WASP-45b Pl 00 20 56.9941303416 -35 59 53.746646676           ~ 44 1
10 HATS-30b Pl 00 22 28.4921297424 -59 56 33.243210960           ~ 23 0
11 Qatar 5b Pl 00 28 12.9437791896 +42 03 40.947279984           ~ 16 0
12 WASP-93b Pl 00 37 50.1101776896 +51 17 19.560773724           ~ 19 0
13 HAT-P-19b Pl 00 38 04.0135699416 +34 42 41.553538560           ~ 74 1
14 HAT-P-16b Pl 00 38 17.5584024024 +42 27 47.216738232           ~ 67 1
15 HAT-P-28b Pl 00 52 00.1876130976 +34 43 42.205232532           ~ 29 1
16 HAT-P-51b Pl 01 24 15.6413870352 +32 48 38.780176428           ~ 25 0
17 HAT-P-53b Pl 01 27 29.0643608688 +38 58 05.258081388           ~ 19 0
18 HD 10069b Pl 01 37 25.0332798696 -45 40 40.374717456           ~ 444 1
19 CD-56 324b Pl 01 38 25.0565551464 -55 46 19.525595664           ~ 27 0
20 BD+01 316b Pl 01 46 31.8575937456 +02 42 02.030065560           ~ 302 0
21 HAT-P-32b Pl 02 04 10.2774374568 +46 41 16.212315084           ~ 198 1
22 WASP-53b Pl 02 07 38.2094562696 -20 39 42.758493948           ~ 28 1
23 HAT-P-29b Pl 02 12 31.4787454416 +51 46 43.563748620           ~ 34 1
24 HAT-P-38b Pl 02 21 31.9803537360 +32 14 46.093339140           ~ 45 2
25 NAME BD-07 436Ab Pl 02 28 37.2277668480 -07 03 38.376446076           ~ 112 1
26 HAT-P-52b Pl 02 50 53.2003988304 +29 01 20.523898776           ~ 19 0
27 WASP-50b Pl 02 54 45.1341750384 -10 53 53.025224640           ~ 46 1
28 WASP-11b Pl 03 09 28.5433589520 +30 40 24.862993356           ~ 83 1
29 HAT-P-25b Pl 03 13 44.4981245184 +25 11 50.689343148           ~ 41 1
30 K2-30b Pl 03 29 22.0746384960 +22 17 57.875063352           ~ 25 0
31 WASP-119b Pl 03 43 44.0212311936 -65 11 37.863129840           ~ 24 0
32 WASP-98b Pl 03 53 42.9206066712 -34 19 41.585663208           ~ 32 0
33 BD-20 761b Pl 04 01 32.5497551616 -20 27 03.911573952           ~ 34 0
34 WASP-152b Pl 04 10 40.8827225832 +24 24 06.303089484           ~ 29 0
35 K2-25b Pl 04 13 05.6131374072 +15 14 52.018080576           ~ 108 0
36 WASP-126b Pl 04 13 29.7451475424 -69 13 36.561615996           ~ 26 0
37 WASP-78b Pl 04 15 01.5042985272 -22 06 59.103350532           ~ 55 1
38 BD+57 793b Pl 04 21 52.7048156328 +57 49 01.889294952           ~ 234 1
39 CD-30 1812b Pl 04 25 29.0166589296 -30 36 01.610731368           ~ 104 1
40 HATS-5b Pl 04 28 53.4832441440 -21 28 55.061983848           ~ 27 0
41 CPD-64 356b Pl 04 35 50.3301268152 -64 01 37.333851168           ~ 49 0
42 WASP-61b Pl 05 01 11.9186755656 -26 03 14.967643572           ~ 32 1
43 BD-06 1077b Pl 05 04 19.6323194352 -06 13 47.378185788           ~ 40 1
44 K2-260b Pl 05 07 28.1589099864 +16 52 03.795017016           ~ 15 0
45 HD 33643b Pl 05 13 10.9289282640 +33 19 05.400733872           ~ 85 0
46 HATS-43b Pl 05 22 09.1675085784 -30 58 15.010622904           ~ 20 0
47 CPD-64 484b Pl 05 48 33.5933253192 -63 59 18.388382028           ~ 73 1
48 HATS-6b Pl 05 52 35.2366980288 -19 01 53.970810276           ~ 67 0
49 WASP-49b Pl 06 04 21.4735743408 -16 57 55.108744668           ~ 71 1
50 HATS-4b Pl 06 16 26.9016034152 -22 32 48.814145304           ~ 24 0
51 BD+73 323b Pl 06 19 10.3709236992 +73 49 39.587215008           ~ 33 0
52 WASP-12b Pl 06 30 32.7966092352 +29 40 20.263502460           ~ 847 1
53 CPD-23 1329b Pl 06 33 24.2671186968 -23 29 10.297934988           ~ 60 0
54 HAT-P-54b Pl 06 39 35.5181974296 +25 28 57.156510144           ~ 33 0
55 HD 262389b Pl 06 43 23.5326949968 +27 15 08.209166328           ~ 35 0
56 WASP-64b Pl 06 44 27.6050701128 -32 51 30.179289384           ~ 35 1
57 WASP-23b Pl 06 44 30.6133625784 -42 45 42.666796404           ~ 35 1
58 CD-38 3220b Pl 07 10 24.0604565856 -39 05 50.571250476           ~ 421 0
59 HAT-P-24b Pl 07 15 18.0193656720 +14 15 45.408025008           ~ 47 1
60 HAT-P-9b Pl 07 20 40.4564614032 +37 08 26.342829060           ~ 73 1
61 XO-4b Pl 07 21 33.1602434760 +58 16 05.109533364           ~ 76 1
62 HAT-P-20b Pl 07 27 39.9488720808 +24 20 11.516231112           ~ 97 1
63 HAT-P-33b Pl 07 32 44.2173520776 +33 50 06.115051104           ~ 59 1
64 XO-5b Pl 07 46 51.9614762400 +39 05 40.460854956           ~ 58 1
65 BD+50 1471b Pl 07 48 06.4723053776 +50 13 32.920598923           ~ 170 1
66 CD-51 2720b Pl 07 49 39.6017531808 -52 07 13.575288000           ~ 24 0
67 HAT-P-50b Pl 07 52 15.2179396392 +12 08 21.840532224           ~ 27 0
68 BD+06 1909b Pl 08 15 47.9802408792 +05 50 12.350816484           ~ 73 1
69 HAT-P-13b Pl 08 39 31.8072358440 +47 21 07.273799280           ~ 128 1
70 BD+02 2056b Pl 08 44 25.7031511896 +01 51 36.105474888           ~ 47 0
71 WASP-36b Pl 08 46 19.2977439552 -08 01 37.015743396           ~ 54 1
72 WASP-65b Pl 08 53 17.8288214088 +08 31 22.809193788           ~ 26 2
73 WASP-19b Pl 09 53 40.0765648584 -45 39 33.057187596           ~ 423 1
74 BD+41 2024b Pl 09 54 34.3869331248 +40 23 16.973758176           ~ 49 1
75 WASP-43b Pl 10 19 38.0088913464 -09 48 22.605801336           ~ 442 1
76 HD 233731b Pl 10 22 43.5923328528 +50 07 42.062425248           ~ 52 1
77 WASP-104b Pl 10 42 24.6022768848 +07 26 06.291154644           ~ 38 0
78 NAME KPS-TF3-663 Pl 11 00 40.1822513592 +64 57 50.341495572           ~ 22 0
79 WASP-31b Pl 11 17 45.3578677224 -19 03 17.217631800           ~ 143 1
80 HATS-22b Pl 11 36 02.3390288424 -29 32 35.958190236           ~ 24 0
81 HATS-1b Pl 11 42 06.0806028384 -23 21 17.431249716           ~ 26 1
82 Ross 905b Pl 11 42 11.0933350978 +26 42 23.650782778           ~ 913 1
83 NAME BD+07 2474Ab Pl 11 43 38.0082455016 +06 33 49.448063160           ~ 24 0
84 WASP-56b Pl 12 13 27.8908484520 +23 03 20.427638472           ~ 23 1
85 HAT-P-36b Pl 12 33 03.9061156728 +44 54 55.196024616           ~ 48 1
86 WASP-107b Pl 12 33 32.8441110816 -10 08 46.225572324           ~ 289 0
87 WASP-83b Pl 12 40 36.4947310728 -19 17 03.472385064           ~ 25 0
88 WASP-25b Pl 13 01 26.3760406392 -27 31 19.922387484           ~ 50 1
89 CD-34 8618b Pl 13 04 10.5339280776 -35 32 58.322148612           ~ 35 0
90 WASP-157b Pl 13 26 37.2696411792 -08 19 03.351259776           ~ 19 0
91 WASP-55b Pl 13 35 01.9537865424 -17 30 12.527623872           ~ 35 1
92 HAT-P-3b Pl 13 44 22.5937349736 +48 01 43.205733624           ~ 113 1
93 Qatar 2b Pl 13 50 37.4100326640 -06 48 14.421574044           ~ 55 1
94 CD-31 10766b Pl 13 55 42.7120177608 -32 09 34.616222028           ~ 84 1
95 HAT-P-12b Pl 13 57 33.4668726399 +43 29 36.601508739           ~ 201 1
96 HAT-P-44b Pl 14 12 34.5714083256 +47 00 53.044781616           ~ 27 1
97 HAT-P-26b Pl 14 12 37.5331103311 +04 03 36.116569918           ~ 200 1
98 WASP-16b Pl 14 18 43.9225013904 -20 16 31.843626168           ~ 60 1
99 BD+60 1538b Pl 14 26 05.7571276200 +59 26 39.289731216           ~ 20 0
100 WASP-132b Pl 14 30 26.1896583264 -46 09 33.123352608           ~ 40 0
101 BD+22 2716b Pl 14 33 06.3571702344 +21 53 40.981395876           ~ 170 1
102 WASP-37b Pl 14 47 46.5619510032 +01 03 53.799541704           ~ 34 1
103 WASP-40b Pl 14 51 04.1870399712 +05 56 50.548526376           ~ 47 1
104 WASP-57b Pl 14 55 16.8228361512 -02 03 27.599615424           ~ 20 1
105 WASP-113b Pl 14 59 29.4779405208 +46 57 36.477211680           ~ 16 0
106 WASP-24b Pl 15 08 51.7367171808 +02 20 35.962165104           ~ 58 1
107 BD+36 2593b Pl 15 19 57.9203617176 +36 13 46.738078788           ~ 86 1
108 BD+28 2507b Pl 16 02 11.8462322592 +28 10 10.420201452           ~ 195 1
109 WASP-92b Pl 16 26 46.0986948120 +51 02 27.893426496           ~ 23 0
110 WASP-103b Pl 16 37 15.5765824488 +07 11 00.109678740           ~ 215 1
111 K2-237b Pl 16 55 04.5335972088 -28 42 38.013879672           ~ 25 0
112 HAT-P-18b Pl 17 05 23.1475097496 +33 00 44.940001716           ~ 153 1
113 NAME G 139-21b Pl 17 15 18.9339850845 +04 57 50.066612336           ~ 845 1
114 BD+38 2917b Pl 17 20 27.8781604680 +38 14 31.908984936           ~ 95 1
115 HAT-P-55b Pl 17 37 05.6338765512 +25 43 52.254026472           ~ 24 0
116 WASP-135b Pl 17 49 08.3938970328 +29 52 44.741814600           ~ 22 0
117 TrES-3 Pl 17 52 07.0184259768 +37 32 46.237377840           ~ 245 2
118 TOI-2124b Pl 17 53 13.0489562760 +37 12 42.586493328           ~ 228 2
119 HATS-24b Pl 17 55 33.7675549584 -61 44 50.366686164           ~ 24 0
120 HAT-P-5b Pl 18 17 37.3126923960 +36 37 17.170401468           ~ 71 1
121 WASP-58b Pl 18 18 48.2529552984 +45 10 19.260291288           ~ 35 1
122 BD+10 3472b Pl 18 18 58.4250287592 +10 35 50.129564460           ~ 33 0
123 BD+35 3293b Pl 18 34 31.6252443960 +35 39 41.491899468           ~ 126 1
124 WASP-153b Pl 18 37 02.9816122296 +40 01 07.281954084           G0 24 0
125 HAT-P-37b Pl 18 57 11.0562256392 +51 16 08.850467640           ~ 33 1
126 HATS-29b Pl 19 00 23.1572835384 -54 53 35.449921500           ~ 23 0
127 Kepler-447b Pl 19 01 04.4556648384 +48 33 35.945205516           ~ 44 0
128 NAME V672 Lyr b Pl 19 04 09.8515616256 +36 37 57.446680296           ~ 354 1
129 Kepler-12b Pl 19 04 58.4220633696 +50 02 25.271762064           ~ 97 1
130 Kepler-1b Pl 19 07 14.0375836512 +49 18 59.091482160           ~ 349 2
131 WASP-48b Pl 19 24 38.9614451424 +55 28 23.332107108           ~ 65 1
132 CoRoT-2b Pl 19 27 06.4944378024 +01 23 01.359897468           ~ 256 1
133 BD+47 2846b Pl 19 28 59.3538826128 +47 58 10.217007804           ~ 415 1
134 Kepler-854b Pl 19 33 24.3099944952 +43 08 04.832385792           ~ 13 0
135 HATS-33b Pl 19 38 32.0768395800 -55 19 48.375623676           ~ 22 0
136 WASP-67b Pl 19 42 58.5218345280 -19 56 58.521259680           ~ 60 1
137 HATS-35b Pl 19 46 45.1812364536 -63 33 56.136897468           ~ 20 0
138 Kepler-6b Pl 19 47 20.9379557640 +48 14 23.759029608           ~ 106 1
139 HAT-P-41b Pl 19 49 17.4398486136 +04 40 20.786070360           ~ 85 1
140 BD+47 2936b Pl 19 50 50.2472976936 +48 04 51.101390496           ~ 493 1
141 HD 189733b Pl 20 00 43.7129433648 +22 42 39.073143456           ~ 1610 1
142 WASP-80b Pl 20 12 40.1693365800 -02 08 39.187438476           ~ 180 1
143 Qatar 1b Pl 20 13 31.6172746704 +65 09 43.492226796           ~ 88 1
144 WASP-81b Pl 20 16 49.8902431128 +03 17 38.458392288           ~ 15 0
145 BD-01 3943b Pl 20 18 09.3209454504 -01 04 32.609372016           ~ 64 0
146 TrES-5 Pl 20 20 53.2481854560 +59 26 55.575277296           ~ 58 2
147 HD 340099b Pl 20 21 45.9296022840 +26 41 33.605958552           ~ 28 0
148 HAT-P-23b Pl 20 24 29.7234392904 +16 45 43.811510112           ~ 81 1
149 WASP-2b Pl 20 30 54.1282355304 +06 25 46.341284844           ~ 112 1
150 WASP-88b Pl 20 38 02.6869030656 -48 27 43.424304480           ~ 18 1
151 WASP-89b Pl 20 55 35.9894362512 -18 58 16.045601628           ~ 18 0
152 KELT-16b Pl 20 57 04.4386023336 +31 39 39.631400028           ~ 62 0
153 WASP-133b Pl 20 58 18.0897118248 -35 47 47.709586932           ~ 14 0
154 BD-05 5432b Pl 21 00 06.1968214728 -05 05 40.034944176           ~ 219 1
155 HD 358155Ab Pl 21 01 54.480000 -13 25 59.71008           ~ 19 1
156 WASP-90b Pl 21 02 07.6772028864 +07 03 22.517627472           ~ 19 0
157 HAT-P-65b Pl 21 03 37.3130781288 +11 59 21.819803748           ~ 29 0
158 HATS-13b Pl 21 07 50.7510148368 -26 05 48.033780576           ~ 22 0
159 WASP-46b Pl 21 14 56.8598669520 -55 52 18.458085144           ~ 54 1
160 HAT-P-17b Pl 21 38 08.7310010424 +30 29 19.446386748           ~ 102 1
161 WASP-114b Pl 21 50 39.7729812408 +10 27 46.713163356           ~ 16 0
162 HD 209458b Pl 22 03 10.7727465312 +18 53 03.549393384           ~ 2037 1
163 WASP-47b Pl 22 04 48.7261549272 -12 01 07.998743676           ~ 116 1
164 WASP-124b Pl 22 10 51.4417720440 -30 44 58.762028400           ~ 26 0
165 HAT-P-40b Pl 22 22 03.0875673648 +45 27 26.518064616           ~ 30 1
166 CD-48 14223b Pl 22 29 49.7355107880 -48 00 11.048684184           ~ 28 0
167 BD-11 5929b Pl 22 49 32.5676223552 -10 40 31.926201744           ~ 26 1
168 BD+34 4779b Pl 22 52 09.8636387352 +35 26 49.608422844           ~ 85 1
169 NAME BD+37 4734Bb Pl 22 57 46.8442481880 +38 40 30.358351704           ~ 268 1
170 WASP-164b Pl 22 59 29.6188245024 -60 26 52.113622920           ~ 13 0
171 WASP-21b Pl 23 09 58.2534443016 +18 23 45.885822792           ~ 71 1
172 WASP-6b Pl 23 12 37.7368282608 -22 40 26.273805024           ~ 150 1
173 WASP-52b Pl 23 13 58.7576098848 +08 45 40.572305352           ~ 155 1
174 WASP-10b Pl 23 15 58.3006181424 +31 27 46.296056268           ~ 118 1
175 WASP-4b Pl 23 34 15.0857248317 -42 03 41.047972591           ~ 197 1
176 K2-1b Pl 23 34 27.8814904872 -01 34 48.110067912           ~ 43 1
177 BD+41 4831b Pl 23 39 05.8102996968 +42 27 57.505293900           ~ 94 1
178 WASP-60b Pl 23 46 39.9747314352 +31 09 21.374361072           ~ 30 1
179 CD-40 15273b Pl 23 51 31.0839097560 -39 54 24.258188484           ~ 88 1
180 WASP-5b Pl 23 57 23.7564672192 -41 16 37.743700800           ~ 103 1

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