Rho Coronae Borealis
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Corona Borealis |
| Right ascension | 16h 01m 02.66049s |
| Declination | +33° 18′ 12.6395″ |
| Apparent magnitude (V) | 5.39 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | G0V |
| B−V color index | 0.61 |
| Astrometry | |
| Radial velocity (Rv) | 17.88±0.12 km/s |
| Proper motion (μ) | RA: −198.278(43) mas/yr Dec.: −772.245(53) mas/yr |
| Parallax (π) | 57.1076±0.0508 mas |
| Distance | 57.11 ± 0.05 ly (17.51 ± 0.02 pc) |
| Absolute magnitude (MV) | +4.21 |
| Details | |
| Mass | 0.95±0.01 M☉ |
| Radius | 1.304±0.012 R☉ |
| Luminosity | 1.749±0.040 L☉ |
| Surface gravity (log g) | 4.25±0.05 cgs |
| Temperature | 5817±24 K |
| Metallicity [Fe/H] | −0.24±0.08 dex |
| Rotation | 20.3±1.8 d |
| Rotational velocity (v sin i) | 0.8±0.3 km/s |
| Age | 10.2±0.5 Gyr |
| Other designations | |
| 15 CrB, 2MASS J16010264+3318124, BD+33°2663, GC 21527, GJ 606.2, GJ 9537, HD 143761, HIP 78459, HR 5968, LTT 14764, ρ CrB, SAO 65024, CCDM J16011+3318A, WDS J16010+3318A | |
| Database references | |
| SIMBAD | data |
Rho Coronae Borealis (ρ CrB, ρ Coronae Borealis) is a yellow dwarf star 57.1 light-years (17.5 parsecs) away in the constellation of Corona Borealis. The star is thought to be similar to the Sun with nearly the same mass, radius, and luminosity. It is orbited by four known exoplanets.