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1 References  





2 External links  














HD 2767






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HD 2767
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 00h31m 25.6379s[1]
Declination +33° 34′ 53.8934″[1]
Apparent magnitude (V) 5.88[2]
Characteristics
Spectral type K1III + F8[2]
B−V color index 1.13[2]
Astrometry
Radial velocity (Rv)3.398±0.114[2] km/s
Proper motion (μ) RA: 50.761±0.138[1] mas/yr
Dec.: −10.813±0.166[1] mas/yr
Parallax (π)8.6835 ± 0.1026 mas[1]
Distance376 ± 4 ly
(115 ± 1 pc)
Details
Luminosity70.21[3] L
Temperature4,781[3] K
Other designations

HIP 2475, HR 122, BD+32° 80, SAO 53956.

Database references
SIMBADdata

HD 2767 is the primary component of a double star located 115 parsecs (380 ly) away in the constellation Andromeda. It is a red giant with a spectral type of K1III and an apparent magnitude of 5.88, thus is visible by the naked eye under favourable conditions.[2]

The secondary is named BD+32 81, has an apparent magnitude of 9.28, and is an F-type star; it shares radial velocity, parallax and proper motion with the primary component. The distance from the primary is estimated as 6,536 AU,[2] while their separation in the sky is 56 arcseconds.[4]

References

[edit]
  1. ^ a b c d e Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this sourceatVizieR.
  • ^ a b c d e f Halbwachs, J. -L; Mayor, M.; Udry, S. (2017). "Double stars with wide separations in the AGK3 - II. The wide binaries and the multiple systems". Monthly Notices of the Royal Astronomical Society. 464 (4): 4966. arXiv:1610.04423. Bibcode:2017MNRAS.464.4966H. doi:10.1093/mnras/stw2683. S2CID 119181622.
  • ^ a b McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.
  • ^ "BDS+258". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved December 4, 2018.
  • [edit]


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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=HD_2767&oldid=1235167700"

    Categories: 
    Andromeda (constellation)
    Henry Draper Catalogue objects
    Double stars
    Bright Star Catalogue objects
    K-type giants
    Hipparcos objects
    Durchmusterung objects
    Multiple star stubs
    Hidden categories: 
    Articles with short description
    Short description matches Wikidata
    All stub articles
     



    This page was last edited on 18 July 2024, at 00:27 (UTC).

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