HD 16004

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HD 16004
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 02h 35m 27.90s[1]
Declination +39° 39′ 51.8″[1]
Apparent magnitude (V) 6.344
Characteristics
Spectral type B9mnp
U−B color index -0.34
B−V color index -0.1
Astrometry
Radial velocity (Rv) -7.6 km/s
Proper motion (μ) RA: 17.47 ± 0.47[1] mas/yr
Dec.: -34.02 ± 0.48[1] mas/yr
Parallax (π) 5.05 ± 0.57[1] mas
Distance approx. 650 ly
(approx. 200 pc)
Absolute magnitude (MV) 6.265
Details
Mass 18 M
Radius R
Luminosity 20,000 L
Temperature 10,000–30,000 K
Other designations
HR 746, BD+39° 573, SAO 55680, HIP 12057.
Database references
SIMBAD data
Database references
SIMBAD data

HD 16004 is star in double system.

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. Vizier catalog entry