HD 33632 Ab

Last updated
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

  1. 1 2 3 4 5 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.
  2. 1 2 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
  3. ↑ 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.
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