HD 33632 Ab
| Observation data Epoch J2000 Equinox J2000 (ICRS) | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 13m 17.448s[1] |
| Declination | +37° 20′ 14.32″[1] |
| Astrometry | |
| Proper motion (μ) | RA: −133.922[1] mas/yr Dec.: −136.772[1] mas/yr |
| Parallax (π) | 37.8953±0.0263 mas[1] |
| Distance | 86.07 ± 0.06 ly (26.39 ± 0.02 pc) |
| Details | |
| Mass | 46±8 MJup |
| Radius | 0.97 RJup |
| Database references | |
| SIMBAD | data |
HD 33632 Ab is a brown dwarf located in the constellation of Auriga orbiting the star HD 33632. It was directly imaged in mid 2024.[2]
Physical characteristics
HD 33632 Ab has a radius of 0.97 Jupiter radii[2] and a mass of 46±8 Jupiter masses.[3]
References
- ^ a b c d e 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.
- ^ a b Morsy, Mona El; Currie, Thayne; Bovie, Danielle; Kuzuhara, Masayuki; Lacy, Brianna; Li, Yiting; Tobin, Taylor; Brandt, Timothy; Chilcote, Jeffrey (2025-04-03), "Dynamical and Atmospheric Characterization of the Substellar Companion HD 33632 Ab from Direct Imaging, Astrometry, and Radial-Velocity Data", The Astrophysical Journal, 981 (1): 20, arXiv:2407.20322, Bibcode:2025ApJ...981...20E, doi:10.3847/1538-4357/ada3be
- ^ Hsu, Chih-Chun; Wang, Jason J.; Xuan, Jerry W.; Ruffio, Jean-Baptiste; Morris, Evan; Echeverri, Daniel; Xin, Yinzi; Liberman, Joshua; Finnerty, Luke; Horstman, Katelyn; Sappey, Ben; Doppmann, Gregory W.; Mawet, Dimitri; Jovanovic, Nemanja; Fitzgerald, Michael P. (August 2024). "Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy". The Astrophysical Journal. 971 (1): 9. arXiv:2405.08312. Bibcode:2024ApJ...971....9H. doi:10.3847/1538-4357/ad58d3. ISSN 0004-637X.