47 Arietis

From Wikipedia, the free encyclopedia
Jump to: navigation, search
47 Arietis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Aries
Right ascension 02h 58m 05.22219s[1]
Declination +20° 40′ 07.4544″[1]
Apparent magnitude (V) 5.80[2]
Distance 108 ± 1 ly
(33.2 ± 0.3[1] pc)
Spectral type F5 IV[3]
Other designations
BD+20 480, FK5 1081, HD 18404, HIP 13834, HR 878, SAO 75662.[4]

47 Arietis is the Flamsteed designation for a star in the northern constellation of Aries. It is faintly visible to the naked eye with an apparent visual magnitude of 5.80.[2] It has an annual parallax shift of 30.15 ± 0.30 mas,[1] which is equivalent to a physical distance of approximately 108 light-years (33 parsecs) from Earth. This is an F-type subgiant star with a stellar classification of F5 IV.[3]

References[edit]

  1. ^ a b c d van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. 
  2. ^ a b Johnson, H. L. et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory 4 (99), Bibcode:1966CoLPL...4...99J. 
  3. ^ a b Montes, D. et al. (2001), "Late-type members of young stellar kinematic groups - I. Single stars", Monthly Notices of the Royal Astronomical Society 328 (1): 45–63, arXiv:astro-ph/0106537, Bibcode:2001MNRAS.328...45M, doi:10.1046/j.1365-8711.2001.04781.x. 
  4. ^ "LTT 10969 -- High proper-motion Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-07-18. 

References[edit]