BP Boötis
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 15h 42m 50.76018s |
| Declination | +52° 21′ 39.2521″ |
| Apparent magnitude (V) | 5.485 |
| Characteristics | |
| Spectral type | B9pSiCr |
| U−B color index | -0.1 |
| B−V color index | -0.07 |
| Variable type | α² CVn |
| Astrometry | |
| Radial velocity (Rv) | -16.1 km/s |
| Parallax (π) | 10.92 ± 0.18 mas |
| Distance | 299 ± 5 ly (92 ± 2 pc) |
| Absolute magnitude (MV) | +0.48 |
| Details | |
| Mass | 2.58 ± 0.07 M☉ |
| Radius | 2.7 ± 0.2 R☉ |
| Luminosity | 65 L☉ |
| Surface gravity (log g) | 3.99 ± 0.07 cgs |
| Temperature | 9,954 K |
| Rotation | 1.29557 days |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
|
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
BP Boötis is a Alpha² Canum Venaticorum variable star in the constellation Boötes. It varies by 0.02 magnitude over 1.3 days.
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