39 Boötis
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 49m 41.29265s |
| Declination | +48° 43′ 14.9077″ |
| Apparent magnitude (V) | 5.69 |
| Characteristics | |
| Spectral type | F8V+F7V |
| B−V color index | +0.475 |
| Astrometry | |
| Radial velocity (Rv) | −30.90 ± 0.3 km/s |
| Proper motion (μ) |
RA: −77.94 mas/yr Dec.: 100.83 mas/yr |
| Parallax (π) | 14.58 ± 0.51mas |
| Distance | 224 ± 8 ly (69 ± 2 pc) |
| Absolute magnitude (MV) | 2.53 |
| Details | |
| Mass | 1.43 M☉ |
| Rotational velocity (v sin i) | 161.0 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
39 Boötis (abbreviated as 39 Boo) or ADS 9406 B is a star in the constellation Boötes. A multiple star system, it has a combined apparent magnitude of 5.68. The system is 224 ± 8 light-years distant. It is composed of BD+49 2326A, which has an apparent magnitude of 6.248 and spectral type F8V, and BD+49 2326B, which has an apparent magnitude of 6.62 and spectral type F7V. Both stars are themselves spectroscopic binaries.
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