2024AJ....167...54C

Query : 2024AJ....167...54C

2024AJ....167...54C - Astron. J., 167, 54 (2024/February-0)

TESS Hunt for Young and Maturing Exoplanets (THYME). XI. An Earth-sized Planet Orbiting a Nearby, Solar-like Host in the 400 Myr Ursa Major Moving Group.

CAPISTRANT B.K., SOARES-FURTADO M., VANDERBURG A., JANKOWSKI A., MANN A.W., ROSS G., SRDOC G., HINKEL N.R., BECKER J., MAGLIANO C., LIMBACH M.A., STEPHAN A.P., NINE A.C., TOFFLEMIRE B.M., KRAUS A.L., GIACALONE S., WINN J.N., BIERYLA A., BOUMA L.G., CIARDI D.R., COLLINS K.A., COVONE G., DE BEURS Z.L., HUANG C.X., JENKINS J.M., KREIDBERG L., LATHAM D.W., QUINN S.N., SEAGER S., SHPORER A., TWICKEN J.D., WOHLER B., VANDERSPEK R.K., YARZA R. and ZIEGLER C.

Abstract (from CDS):

Young terrestrial worlds are critical test beds to constrain prevailing theories of planetary formation and evolution. We present the discovery of HD 63433 d-a nearby (22 pc), Earth-sized planet transiting a young Sun-like star (TOI-1726, HD 63433). HD 63433 d is the third planet detected in this multiplanet system. The kinematic, rotational, and abundance properties of the host star indicate that it belongs to the young (414 ± 23 Myr) Ursa Major moving group, whose membership we update using new data from the third data release of the Gaia mission and TESS. Our transit analysis of the TESS light curves indicates that HD 63433 d has a radius of 1.1 R⊕ and closely orbits its host star with a period of 4.2 days. To date, HD 63433 d is the smallest confirmed exoplanet with an age less than 500 Myr, and the nearest young Earth-sized planet. Furthermore, the apparent brightness of the stellar host (V ≃ 6.9 mag) makes this transiting multiplanet system favorable to further investigations, including spectroscopic follow-up to probe the atmospheric loss in a young Earth-sized world.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanet systems

Simbad objects: 74

goto Full paper

goto View the references in ADS

Number of rows : 74
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 V* EZ Cet BY* 01 49 23.3488631760 -10 42 13.083858540 7.49 7.386 6.754 6.392 6.04 G3V 186 0
2 HD 17926 PM* 02 51 56.2461860472 -30 48 52.262322192   6.862 6.382     F6V 77 0
3 PM J02563+6141 PM* 02 56 19.8392998800 +61 41 22.420970628     13.379 12.828   M5V 9 0
4 BD+39 680 PM* 02 58 44.6823002304 +40 04 20.254955016   10.66 9.75     K2 4 0
5 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
6 HD 26913 BY* 04 15 25.7871375264 +06 11 58.751401236 7.790 7.580 6.920 6.554 6.195 G6V 243 0
7 HD 26923 PM* 04 15 28.8004060272 +06 11 12.698572488 6.910 6.860   5.9   G0IV 236 0
8 UCAC4 589-016295 PM* 05 13 17.2791921931 +27 37 02.135633329   16.876 15.228 14.997   ~ 3 0
9 2MASS J05152722-3548251 PM* 05 15 27.2131340013 -35 48 25.184271383           ~ 2 0
10 * pi. Men PM* 05 37 09.8868446714 -80 28 08.834553264   6.25 5.67     G0V 390 1
11 UPM J0544-0406 PM* 05 44 27.1492716216 -04 06 01.372662504   16.32 14.64 14.43   ~ 5 0
12 VSS VI-20 PM* 05 47 17.9674420728 -00 00 48.786593040 13.59 13.21 10.928 10.444 9.074 M0V 36 0
13 HD 294387 Em* 05 47 52.3916605176 -02 45 38.240824608   10.11 9.31     G5 8 0
14 V* V1386 Ori PM* 06 06 40.4780487600 +15 32 31.578871020 8.016 7.565   6.2   K0V 190 0
15 HD 42074 PM* 06 08 06.4162829688 -15 54 04.455128160   7.39 6.95     F5V 32 0
16 HD 45665 PM* 06 27 20.6640880680 -33 06 50.443309008   9.11 8.39     G5V 42 0
17 BD-17 1532 PM* 06 33 11.8823213544 -17 29 25.635447384   10.09 9.15     K0 7 0
18 TYC 1329-133-1 * 06 37 38.2448745528 +16 16 13.474744212   10.69 9.87     ~ 2 0
19 CoRoT-7b Pl 06 43 49.4690164104 -01 03 46.826642700           ~ 422 1
20 2MASS J07050604+0420033 PM* 07 05 06.0364293702 +04 20 03.316226985           ~ 1 0
21 HD 59747 BY* 07 33 00.5805100512 +37 01 47.446248504   8.58 7.70     K1V(k) 112 0
22 RX J0747.2+5020 PM* 07 47 13.8680133168 +50 20 38.498352432   14.75 13.09 12.752   M4.0Ve 50 0
23 HD 63433c Pl 07 49 55.0606576176 +27 21 47.457467316           ~ 65 0
24 HD 63433b Pl 07 49 55.0606576176 +27 21 47.457467316           ~ 69 0
25 HD 63433d Pl 07 49 55.0606576176 +27 21 47.457467316           ~ 11 0
26 HD 63433 MS* 07 49 55.0606576176 +27 21 47.457467316   7.59 6.91     G5V 206 0
27 CD-34 4280 PM* 08 04 01.8929150832 -35 16 34.102200072   12.29 10.83     M0 38 0
28 BD+26 1715 * 08 05 58.5050586120 +26 16 52.881074472   11.64 10.24     K7V 24 0
29 UCAC4 749-043965 PM* 08 08 05.1269172150 +59 36 27.838892137   16.448 14.886 14.524   ~ 2 0
30 BD+08 2042B * 08 22 58.5373442232 +07 37 49.523727576   9.94 9.15     G5 19 0
31 HD 70571 * 08 22 59.3503098528 +07 37 51.171485124   9.99 9.16     G5 31 0
32 UCAC4 533-047455 * 08 35 38.4802387265 +16 28 56.846547231   17.541 15.844 15.510   ~ 2 0
33 * pi.01 UMa BY* 08 39 11.7046112880 +65 01 15.263122512 6.33 6.26 5.64 5.12 4.79 G0.5V 608 0
34 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
35 ATO J130.1654+45.0045 V* 08 40 39.6666077122 +45 00 16.206629392   16.472 14.775 14.471   ~ 3 0
36 * rho01 Cnc PM* 08 52 35.8111044043 +28 19 50.954994470 7.45 6.82   5.4   K0IV-V 1223 1
37 RX J0916.1+0153 PM* 09 16 10.1812795128 +01 53 08.831017716   14.60 13.03 12.623   M4.0Ve 51 0
38 HD 88096 * 10 10 18.7927078896 +38 24 48.495120192   9.50 8.84 8.1   G5 18 0
39 TYC 3003-45-1 Em* 10 13 16.8450844176 +42 21 19.446522624   11.98 10.94     K5 3 0
40 NAME L 320-124b Pl 10 14 51.7786855411 -47 09 24.192778106           ~ 223 0
41 V* DS Leo BY* 11 02 38.3420210088 +21 58 01.700013360 12.246 11.049 9.572 8.638 7.634 M1.0Ve 269 0
42 MCC 280 Em* 11 09 52.4157949416 +21 37 31.838426184   12.26 11.045 10.765   K5V 23 0
43 RX J1124.1+3808 PM* 11 24 04.3617826440 +38 08 10.856809824   16.22 14.549 14.298   M4.5V 29 0
44 PM J11314+1344 PM* 11 31 24.8842993512 +13 44 43.485315612     12.844 12.450   ~ 10 0
45 2MASS J11584415+1019570 PM* 11 58 44.1403731648 +10 19 57.157454927           ~ 1 0
46 2MASS J12084952+3021010 PM* 12 08 49.5222580536 +30 21 00.945896292           M1 7 0
47 NAME Ursa Major Moving Group MGr 12 32 +57.0           ~ 467 1
48 V* DO CVn BY* 12 35 51.2877348744 +51 13 17.314169592   9.50 8.54     K0 62 0
49 HD 110463 BY* 12 41 44.5223098128 +55 43 28.822255644   9.250 8.265     K3Ve 131 0
50 HD 115043 PM* 13 13 37.0081725552 +56 42 29.759356008   7.423 6.813     G1Va 274 0
51 UPM J1344+5528 PM* 13 44 57.8803896408 +55 28 21.943448472           M4.2 9 0
52 LP 21-224 PM* 13 53 38.7946024320 +77 37 08.150208096   14.4   12.525   M4.0Ve 60 0
53 UCAC4 813-021290 PM* 14 04 23.2191593496 +72 24 46.656583344   15.989 14.304 13.938   ~ 6 0
54 * 18 Boo PM* 14 19 16.2797193624 +13 00 15.483901068   5.788 5.396     F3V 176 0
55 LP 440-38 LM* 14 32 10.8052703208 +16 00 49.315964760   15.31   13.501   M5V 48 0
56 HD 133112 PM* 15 02 44.8678907928 -03 01 52.986571896   6.788 6.618     A4/5IV/V 86 0
57 StM 219 PM* 15 09 08.1061013832 +59 04 25.740099228     13.5 11.83   M2.2V 25 0
58 PM J15104+1328 PM* 15 10 27.0431291544 +13 28 01.572055356     13.807 13.416   ~ 8 0
59 * nu.02 Lup PM* 15 21 48.1499105161 -48 19 03.469906910 6.35 6.30 5.65     G2-V 354 1
60 PM J16259+8324 PM* 16 25 58.4462571624 +83 24 24.296823144   13.43 12.06 11.410   M1.5V 19 0
61 * zet TrA SB* 16 28 28.1422653048 -70 05 03.824909916   5.446 4.899     F9V 226 0
62 PM J16377-2013 PM* 16 37 43.2000808560 -20 13 33.933606096       13.595   dM4.5 16 0
63 HD 155674 PM* 17 10 10.5073172544 +54 29 39.756848388   10.061 8.853     K6V 98 0
64 BD+54 1862 PM* 17 10 12.3552015024 +54 29 24.510961428   10.536 9.209 8.71   K6V 85 0
65 HD 158259 PM* 17 25 24.0552880944 +52 47 26.469887928   7.07 6.47     G5VmF9 79 0
66 UPM J1738+6509 PM* 17 38 04.8633495000 +65 09 27.002394756           ~ 6 0
67 HD 165185 PM* 18 06 23.7195191736 -36 01 11.230597272 6.64 6.57 5.95 5.58   G1V 192 0
68 Smethells 22 PM* 18 50 26.6437959120 -62 03 03.718424916 13.341 12.18 10.703 9.734 8.69 M3V 41 0
69 Kepler-10b Pl 19 02 43.0613892904 +50 14 28.701617339           ~ 322 1
70 * 59 Dra PM* 19 09 09.8814606288 +76 33 37.813819608   5.400 5.107     A7V 138 1
71 CD-36 14261 LM* 20 36 08.3089466592 -36 07 11.509782996   13.464 11.557 11.39 9.288 M3Ve 29 1
72 HD 197481 BY* 20 45 09.5324974119 -31 20 27.237889841   10.05 8.627 9.078 6.593 M1VeBa1 1344 0
73 TRAPPIST-1b Pl 23 06 29.3684948589 -05 02 29.037301866           ~ 380 0
74 HD 219134 PM* 23 13 16.9749603608 +57 10 06.083823619 7.460 6.560 5.570 4.76 4.23 K3V 677 1

To bookmark this query, right click on this link: simbad:objects in 2024AJ....167...54C and select 'bookmark this link' or equivalent in the popup menu