HD 3240

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HD 3240[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 0h 36m 8.3105s
Declination +54° 10' 6.421"
Apparent magnitude (V) 5.075
Characteristics
Spectral type B7III
U−B color index -0.37
B−V color index -0.11
Astrometry
Radial velocity (Rv) 1.1 km/s
Proper motion (μ) RA: 22.98 mas/yr
Dec.: -1.52 mas/yr
Parallax (π) 6.45 ± 0.63 mas
Distance 510 ± 50 ly
(160 ± 20 pc)
Other designations
HD 3240, HR 144, BD+53°102, SAO 21551, HIP 2854, GC 708, GSC 03654-02131

HD 3240 is a 5th magnitude star in the constellation Cassiopeia, approximately 510 light years away from Earth. It is a bluish white giant star of the spectral type B7III, meaning its surface temperature is at least twice as hot as that of the Sun, and it is many times larger and brighter.[1]

References[edit]

  1. ^ a b "Simbad Query Result". Simbad. Retrieved October 30, 2007.