Delta Fornacis

Delta Fornacis
Observation data
Epoch J2000      Equinox J2000
Constellation Fornax
Right ascension 03h 42m 14.90248s [1]
Declination −31° 56 18.1055 [1]
Apparent magnitude (V) 4.97 [2]
Characteristics
Spectral type B5III [3]
U−B color index -0.59 [4]
B−V color index -0.14 [2]
Astrometry
Radial velocity (Rv)+26.00[5] km/s
Proper motion (μ) RA: +4.80[2] mas/yr
Dec.: +13.64[2] mas/yr
Parallax (π)3.85 ± 0.25[1] mas
Distance850 ± 60 ly
(260 ± 20 pc)
Absolute magnitude (MV)-2.10 [6]
Other designations
FK5 133, GC 4439, HIP 17304, HR 1134, HD 23227, SAO 194467 [2]
Database references
SIMBADdata

Delta Fornacis (δ For) is a class B5III[3] (blue giant) star in the constellation Fornax. Its apparent magnitude is 4.97[2] and it is approximately 850 light years away based on parallax.[1]

References

  1. 1 2 3 4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. 1 2 3 4 5 6 "Delta Fornacis". SIMBAD Astronomical Database. Retrieved 2016-04-08.
  3. 1 2 Houk, N. (1982), Michigan catalogue of two-dimensional spectral types for the HD stars, 3, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1982MSS...C03....0H
  4. Reed, B. Cameron (May 2003), "Catalog of galactic OB stars", The Astronomical Journal, 125 (5): 2531–2533, Bibcode:2003AJ....125.2531R, doi:10.1086/374771
  5. Kharchenko, N. V.; et al. (2007), "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations", Astronomische Nachrichten, 328 (9): 889, arXiv:0705.0878Freely accessible, Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776
  6. Absolute magnitude calculated as , where is the star's absolute magnitude, is the star's apparent magnitude, and is the star's measured parallax in arcseconds.
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