TOI-5678 b

Exoplanet

TOI-5678 b is a Neptune-like exoplanet, located 539 light-years away, that orbits a G-type star. It was found in 2023,^[2] located in the constellation Pegasus.

Characteristics

Mass and Radius

TOI-5678 b was discovered using the transit method. TOI-5678 b has a mass of 0.063±0.013 M_J or 20.0 M_🜨 and a radius of 0.438±0.0071 R_J or 4.9 R_🜨.^[3]

Orbit

TOI-5678 b has a significantly shorter orbital period than Earth. The exoplanet has an orbital period of 48 days.

Host star

The host star of TOI-5678 b is TOI-5678.

The star is a G-type star and is not visible with the unaided eye from Earth. The star has 91% of the Sun's mass.^[4]

References

^ ^a ^b ^c Ulmer-Moll, S.; Osborn, H. P.; Tuson, A.; Egger, J. A.; Lendl, M.; Maxted, P.; Bekkelien, A.; Simon, A. E.; Olofsson, G.; Adibekyan, V.; Alibert, Y.; Bonfanti, A.; Bouchy, F.; Brandeker, A.; Fridlund, M.; Gandolfi, D.; Mordasini, C.; Persson, C. M.; Salmon, S.; Serrano, L. M.; Sousa, S. G.; Wilson, T. G.; Rieder, M.; Hasiba, J.; Asquier, J.; Sicilia, D.; Walter, I.; Alonso, R.; Anglada, G.; Navascues, D. Barrado y; Barros, S. C. C.; Baumjohann, W.; Beck, M.; Beck, T.; Benz, W.; Billot, N.; Bonfils, X.; Borsato, L.; Broeg, C.; Bárczy, T.; Cabrera, J.; Charnoz, S.; Cointepas, M.; Cameron, A. Collier; Csizmadia, Sz; Cubillos, P. E.; Davies, M. B.; Deleuil, M.; Deline, A.; Delrez, L.; Demangeon, O. D. S.; Demory, B.-O.; Dumusque, X.; Ehrenreich, D.; Eisner, N. L.; Erikson, A.; Fortier, A.; Fossati, L.; Gillon, M.; Grieves, N.; Güdel, M.; Hagelberg, J.; Helled, R.; Hoyer, S.; Isaak, K. G.; Kiss, L. L.; Laskar, J.; Etangs, A. Lecavelier des; Lovis, C.; Magrin, D.; Nascimbeni, V.; Otegi, J.; Ottensammer, R.; Pagano, I.; Pallé, E.; Peter, G.; Piotto, G.; Pollacco, D.; Psaridi, A.; Queloz, D.; Ragazzoni, R.; Rando, N.; Rauer, H.; Ribas, I.; Santos, N. C.; Scandariato, G.; Smith, A. M. S.; Steller, M.; Szabó, G. M.; Ségransan, D.; Thomas, N.; Udry, S.; Van Grootel, V.; Venturini, J.; Walton, N. A. (June 1, 2023). "TOI-5678 b: A 48-day transiting Neptune-mass planet characterized with CHEOPS and HARPS". Astronomy & Astrophysics. 674: A43. arXiv:2306.04295. Bibcode:2023A&A...674A..43U. doi:10.1051/0004-6361/202245478. S2CID 259095853.
^ "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System.
^ "The Extrasolar Planet Encyclopaedia — TOI-5678 b". Extrasolar Planets Encyclopaedia.
^ "★ TOI 5678". Stellar Catalog.

Constellation of Pegasus

Stars

Bayer	α (Markab) β (Scheat) γ (Algenib) δ (Alpheratz) ε (Enif) ζ (Homam) η (Matar) θ (Biham) ι κ λ μ (Sadalbari) ν ξ ο π¹ π² ρ σ τ (Salm) υ (Alkarab) φ χ ψ
Flamsteed	1 2 3 4 5 7 9 11 12 13 14 15 16 17 18 19 20 21 23 25 28 30 31 32 33 34 35 36 37 38 39 40 41 45 51 (Helvetios) 52 55 56 57 58 59 60 61 63 64 65 66 67 69 70 71 72 73 74 75 76 77 78 79 80 82 83 85 86 87 23 Psc 34 Vul
Variable	R S U W Z RU RV RZ SV TW TY AG AQ AT AU AV AW BB BH BK BO BP BX BY DH DI DY EE EF EQ EZ GT GX HN HO HP HR HX II IK IM IP KT KU LL LO LS MS MT NV NZ OY PT V342 V343 V354 V363 V372 V376 V391
HR	19 49 8116 8219 8221 8231 8250 8257 8258 8274 8292 8325 8341 8348 8358 8359 8364 8372 8391 8397 8412 8415 8435 8441 8455 8456 8458 8460 8461 8466 8475 8482 8491 8503 8514 8543 8555 8564 8587 8604 8605 8608 8631 8638 8642 8737 8784 8788 8792 8824 8831 8833 8838 8839 8873 8922 8942 8953 8970 9039 9055 9078 9109
HD	434 204603 205011 205422 205603 206689 206793 208897 209709 210890 211076 213025 215549 215733 219196 219828 220288 220773 221170 221493 225292
Other	BD+14 4559 (Solaris) BD +17 4708 BD +28 4211 GD 246 Gl 829 Gl 880 HAT-P-8 NGC 8 NGC 18 NGC 30 PG 2131+066 PG 2303+243 PSR B2127+11C PSR B2303+30 Q2343-BX418 WASP-10 WASP-21 (Tangra) WASP-52 (Anadolu) WASP-59 WASP-60 (Morava) X2127+119 3C 454.3

Exoplanets	51 Pegasi b WASP-10b BD+14 4559 b (Pirx) TOI-5678 b HD 209458 b HR 8799 b c d e

Star
clusters

Other	Balbinot 1 Messier 15

Nebulae

Other	Pease 1

Galaxies

NGC	1 2 9 14 15 16 22 23 26 41 42 52 7033 7034 7042 7043 7053 7056 7066 7068 7074 7085 7190 7217 7236 7237 7303 7315 7317 7318 7319 7320 7320c 7331 7332 7448 7454 7457 7469 7479 7610 7619 7625 7673 7674 7678 7720 7741 7742 NGC 7752 NGC 7753 7767 7773 7800 7814
Other	BX442 CTA-102 Einstein Cross Huchra's lens IC 5337 Markarian 335 Pegasus Dwarf Irregular Galaxy Pegasus Dwarf Spheroidal Galaxy Q2343-BX418