42 Cassiopeiae

42 Cassiopeiae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 01h 42m 55.864s[1]
Declination +70° 37 21.09[1]
Apparent magnitude (V) +5.18
Characteristics
Spectral type B9 V
B−V color index −0.04
Variable type none
Astrometry
Radial velocity (Rv)+006 km/s
Proper motion (μ) RA: 76.87 ± .22[1] mas/yr
Dec.: −14.03 ± .20[1] mas/yr
Parallax (π)11.75 ± 0.23[1] mas
Distance278 ± 5 ly
(85 ± 2 pc)
Absolute magnitude (MV)+0.51
Details
Radius2.63 ± 0.13[2] R
Surface gravity (log g)3.98 ± 0.04[2] cgs
Temperature10,141 ± 61[2] K
Other designations
HR 480, HD 10250, BD+69°114, HIP 8016, SAO 4470, GC 2059

42 Cassiopeiae is a star in the constellation Cassiopeia. It is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.18 and is approximately 278 light years[1] from Earth.

References

  1. 1 2 3 4 5 6 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
  2. 1 2 3 Fitzpatrick, E. L.; Massa, D. (March 2005), "Determining the Physical Properties of the B Stars. II. Calibration of Synthetic Photometry", The Astronomical Journal, 129 (3): 1642–1662, arXiv:astro-ph/0412542Freely accessible, Bibcode:2005AJ....129.1642F, doi:10.1086/427855


This article is issued from Wikipedia - version of the 8/21/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.