HD 212710
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cepheus |
| Right ascension | 22h 13m 10.6136s |
| Declination | +86° 6′ 28.6366″ |
| Apparent magnitude (V) | 5.258±0.009 |
| Characteristics | |
| Spectral type | B9.5 Vn |
| U−B color index | -0.11 |
| B−V color index | -0.03 |
| Astrometry | |
| Radial velocity (Rv) | -6±5 km/s |
| Proper motion (μ) | RA: 60.554±0.202 mas/yr Dec.: 39.468±0.193 mas/yr |
| Parallax (π) | 12.8648±0.1662 mas |
| Distance | 254 ± 3 ly (78 ± 1 pc) |
| Absolute magnitude (MV) | 0.79 |
| Details | |
| Mass | 2.61+0.438 −0.254 M☉ |
| Radius | 2.387+0.086 −0.052 R☉ |
| Luminosity | 53.79±1.38 L☉ |
| Surface gravity (log g) | 4.0991±0.0652 cgs |
| Temperature | 10162+164.7 −134 K |
| Other designations | |
| HIP 109693, HR 8546, AG+85 372, BD+85 383, HD 212710, SAO 3721, 2MASS J22131056+8606287, FK5 1648 | |
| Database references | |
| SIMBAD | data |
HD 212710, also known as BD+85 383, SAO 3721, HR 8546, HIP 109693 is a star in Cepheus with an apparent magnitude of 5.258 and a spectral type of B9.5 Vn, indicating that it is a B-type main sequence star, giving it a blue hue. It's about 254 light-years away from the Solar System. It has about 2.61 times the mass of the Sun, 2.387 times the radius of the Sun and is 53.79 times as luminous.