4 Cancri

For other stars with this Bayer designation, see Omega Cancri.
4 Cancri
Observation data
Epoch J2000      Equinox J2000
Constellation Cancer
Right ascension 08h 01m 43.75692s[1]
Declination +25° 05 22.0800[1]
Characteristics
Spectral type A1V[1]
Astrometry
Radial velocity (Rv)−9.2 ± 2[1] km/s
Proper motion (μ) RA: −25.11 mas/yr
Dec.: 12.29 mas/yr
Parallax (π)6.85 ± 0.35 mas
Distance480 ± 20 ly
(146 ± 7 pc)
Other designations
ω2 Cancri (Bayer), 4 Cancri (Flamsteed), BD+25 1816, CCDM J08017+2506A, GSC 01930-00674, HD 65856, HIC 39263, HIP 39263, HR 3132, SAO 79869

4 Cancri (4 Cnc), also known by its Bayer designation of Omega2 Cancri2 Cancri, ω2 Cnc), is an A-type main-sequence star in the constellation Cancer. It is approximately 480 light years from Earth, and has an apparent magnitude of 6.32.

References


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