13 Cancri (abbreviated to 13 Cnc) is a K-type giant star in the constellation Cancer. It has an apparent magnitude of +6.41 and is approximately 970 light years from Earth.
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Cancer |
Right ascension | 08h 10m 13.107s[1] |
Declination | +25° 50′ 40.13″[1] |
Apparent magnitude (V) | +6.41[2] |
Characteristics | |
Evolutionary stage | giant |
Spectral type | K3 III[3] |
Astrometry | |
Radial velocity (Rv) | 4.96[1] km/s |
Proper motion (μ) | RA: −14.708[1] mas/yr Dec.: −31.065[1] mas/yr |
Parallax (π) | 3.3713 ± 0.0435 mas |
Distance | 970 ± 10 ly (297 ± 4 pc) |
Absolute magnitude (MV) | -0.56[4] |
Details | |
Radius | 36[1] R☉ |
Luminosity | 387[1] L☉ |
Temperature | 4,266[1] K |
Other designations | |
Database references | |
SIMBAD | data |
Its designation is unusual as it is one of a very few stars which have a Bayer designation and are not in the Bright Star Catalog,[5] although the designation ψ1 Cancri is rarely used.[6] It is one of the few stars with a Flamsteed designation that are not listed in the Bright Star Catalogue.[7][8]