32 Orionis

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32 Orionis
Location of 32 Orionis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Orion
Right ascension 05h 30m 47.05091s[1]
Declination +05° 56′ 53.2925″[1]
Apparent magnitude (V) 4.20[2] (4.43 + 5.80)[3]
Characteristics
Spectral type B5V + ? + B7V[3]
U−B color index –0.56[2]
B−V color index –0.13[2]
Distance
300 ± 20 ly
(93 ± 6 pc)
Absolute magnitude (MV)–0.63[5]
Details
32 Ori A
Myr
HR 1839, SAO 112849, CCDM J05308+0557AB, WDS J05308+0557AB[10]
Database references
SIMBADdata

32 Orionis is a triple

apparent visual magnitude of 4.20.[2] It is located approximately 303 light-years away from the Sun based on parallax,[1] and is drifting further away with a radial velocity of +18.6 km/s.[4]

The system is a member of the eponymous 32 Orionis group, a young, nearby association of 46 co-moving stars first discovered in 2007.[11]

The primary component of this system is a

″ from the primary, is a class B7V star with a magnitude of 5.8, orbiting with the primary at a period of 614 years and eccentricity 0.22.[14]

References

  1. ^
    S2CID 18759600. Vizier catalog entry
  2. ^
    Bibcode:2002yCat.2237....0D
    .
  3. ^
    S2CID 14878976
    .
  4. ^
    S2CID 119323941
    .
  5. ^
    S2CID 119257644. Vizier catalog entry
  6. S2CID 118629873. Vizier catalog entry
  7. Bibcode:1999A&A...352..555A. Vizier catalog entry
  8. ^
    S2CID 33401607. Vizier catalog entry
  9. S2CID 14969137
    .
  10. ^ "32 Ori". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-07-10.
  11. doi:10.1093/mnras/stx535
    .
  12. Bibcode:1995yCat.5050....0H
    .
  13. S2CID 16452670
    .
  14. doi:10.1051/0004-6361/201219774. Vizier catalog entry
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