Rho³ Arietis

For other star systems with this Bayer designation, see Rho Arietis.
ρ3 Arietis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Aries
Right ascension 02h 56m 26.1549s[1]
Declination +18° 01′ 23.228″[1]
Apparent magnitude (V) 5.63[1]
Characteristics
Spectral type F6V[1]
U−B color index −0.02[2]
B−V color index +0.43[2]
V−R color index 0.3[1]
R−I color index 0.2[1]
Astrometry
Radial velocity (Rv) 14.6 ± 2[1] km/s
Proper motion (μ) RA: 281.23[1] mas/yr
Dec.: −218.84[1] mas/yr
Parallax (π) 28.24 ± 0.93[1] mas
Distance 115 ± 4 ly
(35 ± 1 pc)
Details
Rotational velocity (v sin i) 15[2] km/s
Other designations
ρ3 Ari, Rho3 Arietis, Rho3 Ari, 46 Arietis, 46 Ari, BD+17 458, FK5 2204, GC 3532, HD 18256, HIP 13702, HR 869, LTT 10961, NLTT 9363, PPM 118684, SAO 93195.[1]
Database references
SIMBAD data

Rho3 Arietis (Rho3 Ari, ρ3 Arietis, ρ3 Ari) is an F-type main sequence star in the constellation of Aries.[1] It has an apparent visual magnitude of approximately 5.63.[1]

Name

This star, along with δ Ari, ε Ari, ζ Ari, and π Ari, were Al Bīrūnī's Al Buṭain (ألبطين), the dual of Al Baṭn, the Belly.[3]. According to the catalogue of stars in the Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars, Al Buṭain were the title for five stars : δ Ari as Botein, π Ari as Al Buṭain I, ρ3 Ari as Al Buṭain II, ε Ari as Al Buṭain III dan ζ Ari as Al Buṭain IV[4]

References

  1. ^ a b c d e f g h i j k l m HD 18256 -- Spectroscopic binary, database entry, SIMBAD. Accessed on line August 5, 2008.
  2. ^ a b c HR 869, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line August 5, 2008.
  3. ^ Allen, R. H. (1963). Star Names: Their Lore and Meaning (Reprint ed.). New York, NY: Dover Publications Inc. p. 83. ISBN 0486210790. http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Aries*.html. Retrieved 2010-12-12. 
  4. ^ Jack W. Rhoads - Technical Memorandum 33-507-A Reduced Star Catalog Containing 537 Named Stars, Jet Propulsion Laboratory, California Institue of Technology; November 15, 1971

External links

Stars of Aries
Bayer
Flamsteed
Nearby