HD 32450

From Wikipedia, the free encyclopedia
Jump to: navigation, search
HD 32450
Observation data
Epoch J2000      Equinox J2000
Constellation Lepus
Right ascension 05h 02m 28.4215s[1]
Declination −21° 15′ 23.921″[1]
Apparent magnitude (V) 8.36
Characteristics
Spectral type M0 V[2]
Astrometry
Radial velocity (Rv) −15.2[3] km/s
Proper motion (μ) RA: −141.56[1] mas/yr
Dec.: −221.75[1] mas/yr
Parallax (π) 117.38 ± 1.81[1] mas
Distance 27.8 ± 0.4 ly
(8.5 ± 0.1 pc)
Other designations
Gliese 185, HIP 23455, LTT 2151.[2][4]

HD 32450 is a red dwarf star in the constellation Lepus. It is located about 28 light years from the Solar System. This star will make its closest approach to the Sun in roughly 350,000 years, when it comes within 14.8 ly (4.5 pc).[5]

References[edit]

  1. ^ a b c d e Perryman, M. A. C.; et al. (July 1997). "The HIPPARCOS Catalogue". Astronomy & Astrophysics 323: L49–L52. Bibcode:1997A&A...323L..49P. 
  2. ^ a b Koen, C.; Kilkenny, D.; van Wyk, F.; Cooper, D.; Marang, F. (July 2002). "UBV(RI)C photometry of Hipparcos red stars". Monthly Notices of the Royal Astronomical Society 334 (1): 20–38. Bibcode:2002MNRAS.334...20K. doi:10.1046/j.1365-8711.2002.05403.x. 
  3. ^ Evans, D. S. (June 20–24, 1966). Batten, Alan Henry; Heard, John Frederick, ed. "Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30". University of Toronto: International Astronomical Union. Retrieved 2009-09-10.  |chapter= ignored (help)
  4. ^ "LTT 2151 -- High proper-motion Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2010-04-06. 
  5. ^ García-Sánchez, J.; Weissman, P. R.; Preston, R. A.; Jones, D. L.; Lestrade, J.-F.; Latham, D. W.; Stefanik, R. P.; Paredes, J. M. (2001). "Stellar encounters with the solar system". Astronomy and Astrophysics 379 (2): 634–659. Bibcode:2001A&A...379..634G. doi:10.1051/0004-6361:20011330.  See Table 4, p. 644.