12 Boötis
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 10m 23.9s |
| Declination | +25° 05' 30" |
| Apparent magnitude (V) | +4.82 |
| Distance | 120 ± 3 ly (37 ± 1 pc) |
| Spectral type | F9IV w |
| Other designations | |
d Boötis, HR 5304, HD 123999, Wo 9470, BD+25°2737, FK5 522, HIP 69226, SAO 83203, GC 19127, CCDM 14104+2505 | |
| Database references | |
| SIMBAD | data |
12 Boötis is a spectroscopic binary[1] in the constellation Boötes. It is approximately 120 light years from Earth.
The primary component, 12 Boötis A, is a yellow-white F-type subgiant with an apparent magnitude of +4.82. Its companion, 12 Boötis B, is separated from the primary by approximately one arcsecond. The binary pair completes one orbit around its centre of mass once every 9.6045 days.
References
- ↑ Konacki, Maciej et al. (2010). "High-precision Orbital and Physical Parameters of Double-lined Spectroscopic Binary Stars—HD78418, HD123999, HD160922, HD200077, and HD210027". The Astrophysical Journal 719 (2): 1293–1314. arXiv:0910.4482. Bibcode:2010ApJ...719.1293K. doi:10.1088/0004-637X/719/2/1293.
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