| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cancer |
| Right ascension | 09h 09m 02.31165s[1] |
| Declination | +17° 28′ 10.7518″[1] |
| Apparent magnitude (V) | 7.19[2] |
| Characteristics | |
| Spectral type | K3 III[2] |
| B−V color index | 1.207±0.008[2] |
| Astrometry | |
| Radial velocity (Rv) | +77.70±0.15[1] km/s |
| Proper motion (μ) | RA: −38.419[1] mas/yr Dec.: −32.292[1] mas/yr |
| Parallax (π) | 5.9540 ± 0.0572 mas[1] |
| Distance | 548 ± 5 ly (168 ± 2 pc) |
| Absolute magnitude (MV) | 0.56[2] |
| Details | |
| Mass | 1.62[3] M☉ |
| Radius | 10.92+0.50 −0.94[1] R☉ |
| Luminosity | 47.6±0.6[1] L☉ |
| Temperature | 4,587+213 −101[1] K |
| Age | 2.91[3] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
78 Cancri is a star in the zodiac constellation of Cancer, located 548[1] light years from the Sun. It is too faint to be viewed with the naked eye, having an apparent visual magnitude of 7.19.[2] The star is moving away from the Earth with a relatively large radial velocity of +77.7 km/s.[1] It is an evolved giant star with a stellar classification of K3 III.[2]
GaiaDR2 was invoked but never defined (see the help page).Anderson2012 was invoked but never defined (see the help page).luck2015 was invoked but never defined (see the help page).SIMBAD was invoked but never defined (see the help page).