Astronomy:HD 33632 Ab
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Short description: Brown dwarf
| Observation data Equinox J2000.0]] (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[1] mas |
| 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
- ↑ 1.0 1.1 1.2 1.3 1.4 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
- ↑ 2.0 2.1 Morsy, Mona El; Currie, Thayne; Bovie, Danielle; Kuzuhara, Masayuki; Lacy, Brianna; Li, Yiting; Tobin, Taylor; Brandt, Timothy et al. (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, doi:10.3847/1538-4357/ada3be, Bibcode: 2025ApJ...981...20E
- ↑ Hsu, Chih-Chun; Wang, Jason J.; Xuan, Jerry W.; Ruffio, Jean-Baptiste; Morris, Evan; Echeverri, Daniel; Xin, Yinzi; Liberman, Joshua et al. (August 2024). "Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy" (in en). The Astrophysical Journal 971 (1): 9. doi:10.3847/1538-4357/ad58d3. ISSN 0004-637X. Bibcode: 2024ApJ...971....9H.
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