HD 220105

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HD 220105
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 20m 44.099s[1]
Declination +44° 06′ 58.21″[1]
Apparent magnitude (V) 6.24[2]
Characteristics
Spectral type A5Vn[3]
U−B color index 0.10[2]
B−V color index 0.14[2]
Astrometry
Radial velocity (Rv) -1.8[4] km/s
Proper motion (μ) RA: −8.95±0.42[1] mas/yr
Dec.: −36.13±0.41[1] mas/yr
Parallax (π) 13.29 ± 0.58[1] mas
Distance 250 ± 10 ly
(75 ± 3 pc)
Details
Rotational velocity (v sin i) 259[5] km/s
Other designations
BD+43° 4440, HD 220105, HIP 115261, HR 8884, SAO 52927.
Database references
SIMBAD data
Database references
SIMBAD data

HD 220105 is a star in the northern constellation of Andromeda.

References[edit]

  1. ^ a b c d e van Leeuwen, F. (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 c Oja, T. (August 1991), "UBV photometry of stars whose positions are accurately known. VI", Astronomy and Astrophysics Supplement Series 89 (2): 415–419, Bibcode:1991A&AS...89..415O. 
  3. ^ 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. ^ Kharchenko, N. V. et al. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten 328 (9): 889. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776. 
  5. ^ Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics 463 (2): 671–682, arXiv:astro-ph/0610785, Bibcode:2007A&A...463..671R, doi:10.1051/0004-6361:20065224. 

External links[edit]