Celaeno (star)

Celaeno
Image of the Pleiades star cluster
Celaeno in the Pleiades cluster (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Taurus
Right ascension 03h 44m 48.2154s[1]
Declination +24° 17′ 22.093″[1]
Apparent magnitude (V) +5.448
Characteristics
Spectral type B7IV[2]
U−B color index –0.33[3]
B−V color index –0.046[3]
Astrometry
Radial velocity (Rv)+2.9[4] km/s
Proper motion (μ) RA: 20.73[1] mas/yr
Dec.: –44.00[1] mas/yr
Parallax (π)7.53 ± 1.23 mas[5]
Distanceapprox. 430 ly
(approx. 130 pc)
Absolute magnitude (MV)−0.76[6]
Details
Mass4.0[6] M☉
Radius4.4[7] R☉
Luminosity344[6] L☉
Surface gravity (log g)3.9[6] cgs
Temperature12,800[6] K
Rotational velocity (v sin i)185[8] km/s
Other designations
16 Tauri, HR 1140, HD 23288, BD+23 505, HIP 17489, SAO 76126, GC 4475.[9]
Database references
SIMBADdata

Celaeno /səˈliːnoʊ/[10] (designated 16 Tauri) is a star in the constellation of Taurus and a member of the Pleiades open star cluster (M45) of stars.

  1. ^ a b c d Perryman, M. A. C.; et al. (1997), "The Hipparcos Catalogue", Astronomy & Astrophysics, 323: L49–L52, Bibcode:1997A&A...323L..49P
  2. ^ Lesh, Janet Rountree (1968). "The Kinematics of the Gould Belt: An Expanding Group?". Astrophysical Journal Supplement. 17: 371. Bibcode:1968ApJS...17..371L. doi:10.1086/190179.
  3. ^ a b Johnson, H. L.; Morgan, W. W. (1953). "Fundamental stellar photometry for standards of spectral type on the revised system of the Yerkes spectral atlas". Astrophysical Journal. 117: 313–352. Bibcode:1953ApJ...117..313J. doi:10.1086/145697.
  4. ^ Wilson, Ralph Elmer (1953). "General catalogue of stellar radial velocities". Carnegie Institute Washington D.C. Publication. Carnegie Institution of Washington. Bibcode:1953GCRV..C......0W.
  5. ^ Makarov, Valeri V. (December 2002). "Computing the Parallax of the Pleiades from the Hipparcos Intermediate Astrometry Data: An Alternative Approach". The Astronomical Journal. 124 (6): 3299–3304. Bibcode:2002AJ....124.3299M. doi:10.1086/344683.
  6. ^ a b c d e Cite error: The named reference aj100 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference CADARS was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference sprc was invoked but never defined (see the help page).
  9. ^ "Celeno". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-10-10.
  10. ^ Davis, George A. (1944). "The pronunciations, derivations, and meanings of a selected list of star names". Popular Astronomy. 52: 8–30. Bibcode:1944PA.....52....8D.