49 Arietis

49 Arietis
Observation data
Epoch J2000      Equinox J2000
Constellation Aries
Right ascension 03h 01m 54.14047s[1]
Declination +26° 27′ 44.4710″[1]
Apparent magnitude (V) 5.90[2]
Characteristics
Spectral type A3m[3]
U−B color index +0.12[2]
B−V color index +0.14[2]
R−I color index 0.05
Astrometry
Radial velocity (Rv)-1.0[4] km/s
Proper motion (μ) RA: -15.08[1] mas/yr
Dec.: +4.66[1] mas/yr
Parallax (π)15.54 ± 0.35[1] mas
Distance210 ± 5 ly
(64 ± 1 pc)
Details
Surface gravity (log g)4.34[5] cgs
Temperature8,424[5] K
Metallicity [Fe/H]–0.02[5] dex
Rotational velocity (v sin i)52[4] km/s
Other designations
BD+25° 477, HD 18769, HIP 14109, HR 905, SAO 75693.[6]
Database references
SIMBADdata

49 Arietis (abbreviated 49 Ari) is a star in the northern constellation of Aries. 49 Arietis is the Flamsteed designation. Its apparent magnitude is 5.91 and is located at a distance of approximately 210 light-years (64 parsecs) distant from Earth. 49 Arietis is classified as an Am,[3] or chemically peculiar star, which means the spectrum displays abnormal abundances of certain heavier elements.

References

  1. 1 2 3 4 5 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. 1 2 3 Oja, T. (April 1983), "UBV photometry of FK4 and FK4 supplement stars", Astronomy and Astrophysics Supplement Series, 52: 131–134, Bibcode:1983A&AS...52..131O.
  3. 1 2 Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
  4. 1 2 Wielen, R.; et al. (1999), Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions (35), Astronomisches Rechen-Institut Heidelberg, Bibcode:1999VeARI..35....1W.
  5. 1 2 3 Koleva, M.; Vazdekis, A. (February 2012), "Stellar population models in the UV. I. Characterisation of the New Generation Stellar Library", Astronomy & Astrophysics, 538: A143, arXiv:1111.5449, Bibcode:2012A&A...538A.143K, doi:10.1051/0004-6361/201118065.
  6. ↑ "49 Ari -- Variable Star", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2012-07-18.


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