4 Cassiopeiae

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4 Cassiopeiae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 23h 24m 50.262s[1]
Declination +62° 16′ 58.11″[1]
Apparent magnitude (V) +4.96
Characteristics
Spectral type M1III
U−B color index +2.07
B−V color index +1.68
Variable type none
Astrometry
Radial velocity (Rv) −37 km/s
Proper motion (μ) RA: 12.29 ± 0.20[1] mas/yr
Dec.: −12.44 ± 0.21[1] mas/yr
Parallax (π) 4.15 ± 0.21[1] mas
Distance 790 ± 40 ly
(240 ± 10 pc)
Absolute magnitude (MV) −1.9
Other designations
HR 8904, HD 220652, BD+61°2444, FK5 882, HIP 115590, SAO 20614

4 Cassiopeiae is a star in the constellation Cassiopeia. It is a M-type red giant with an apparent magnitude of +4.96 and is approximately 790 light-years[1] from Earth.

In the sky, the open cluster Messier 52 is 40' to the south of it.

References[edit]

  1. ^ a b c d e f 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