WASP-76, also known as BD+01 316, is a yellow-white main sequence star in the constellation of Pisces. A suspected stellar companion at a projected separation of 85 astronomical units was reported in 2014.[8]
After about five billion years, WASP-76 has expanded and become more luminous than at the start of its main sequence life, but most probably has not yet reached the subgiant branch.[3][5]
Planetary system
The “hot Jupiter” class planet WASP-76b was discovered around WASP-76 in 2013.
Analysis of transit-timing variations suggest an additional planet in the system.[7]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination (°) |
Radius |
|---|---|---|---|---|---|---|
| b | 0.92 MJ | 0.0316±0.0002 | 1.80988132(12) | 0.00087±0.00031 | 87.88±0.16 | 1.842±0.024 RJ |
References
- ^ “Gemini North Detects Multiple Rock-Forming Elements in the Atmosphere of a Scorching Exoplanet” (Press release). NOIRLab. 2023-06-14. Retrieved 2025-06-13.
- ^ Roman, Nancy G. (1987). “Identification of a constellation from a position”. Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP…99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.
- ^ a b c d e f g h Vallenari, A.; et al. (Gaia collaboration) (2023). “Gaia Data Release 3. Summary of the content and survey properties”. Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A…674A…1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ Høg, E.; et al. (2000). “The Tycho-2 catalogue of the 2.5 million brightest stars”. Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A…355L..27H.
- ^ a b c d e f g h West, R. G.; Hellier, C.; Almenara, J.-M.; Anderson, D. R.; Barros, S. C. C.; Bouchy, F.; Brown, D. J. A.; Collier Cameron, A.; Deleuil, M.; Delrez, L.; Doyle, A. P.; Faedi, F.; Fumel, A.; Gillon, M.; Gómez Maqueo Chew, Y.; Hébrard, G.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Udry, S. (2016). “Three irradiated and bloated hot Jupiters”. Astronomy & Astrophysics. 585: A126. arXiv:1310.5607. doi:10.1051/0004-6361/201527276. S2CID 54746373.
- ^ Soubiran, C.; Jasniewicz, G.; Chemin, L.; Zurbach, C.; Brouillet, N.; Panuzzo, P.; Sartoretti, P.; Katz, D.; Le Campion, J. -F.; Marchal, O.; Hestroffer, D.; Thévenin, F.; Crifo, F.; Udry, S.; Cropper, M.; Seabroke, G.; Viala, Y.; Benson, K.; Blomme, R.; Jean-Antoine, A.; Huckle, H.; Smith, M.; Baker, S. G.; Damerdji, Y.; Dolding, C.; Frémat, Y.; Gosset, E.; Guerrier, A.; Guy, L. P.; et al. (2018). “Gaia Data Release 2. The catalogue of radial velocity standard stars”. Astronomy and Astrophysics. 616: A7. arXiv:1804.09370. Bibcode:2018A&A…616A…7S. doi:10.1051/0004-6361/201832795. S2CID 52952408.
- ^ a b c d Wang, Weilong; Gu, Shenghong; Wang, Xiaobin; Sun, Leilei; Lee, Byeong-Cheol; Kwok, Chi-Tai; Hui, Ho-Keung; Dou, Jiangpei; Xiang, Yue; Cao, Dongtao; Xu, Fukun (June 2025). “Observations and Studies on the Transiting Systems HAT-P-36, XO-2 and WASP-76”. The Astronomical Journal. 169 (6): 342. Bibcode:2025AJ….169..342W. doi:10.3847/1538-3881/add1de. ISSN 0004-6256.
- ^ Ngo, Henry; Knutson, Heather A.; Hinkley, Sasha; Bryan, Marta; Crepp, Justin R.; Batygin, Konstantin; Crossfield, Ian; Hansen, Brad; Howard, Andrew W.; Johnson, John A.; Mawet, Dimitri; Morton, Timothy D.; Muirhead, Philip S.; Wang, Ji (2016). “Friends of Hot Jupiters. IV. Stellar Companions Beyond 50 au Might Facilitate Giant Planet Formation, but Most are Unlikely to Cause Kozai-Lidov Migration”. The Astrophysical Journal. 827 (1): 8. arXiv:1606.07102. Bibcode:2016ApJ…827….8N. doi:10.3847/0004-637X/827/1/8.
