15 Boötis
Appearance
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Boötes |
Right ascension | 14h 14m 50.8492s |
Declination | +10° 06′ 02.197″ |
Apparent magnitude (V) | 5.295 |
Characteristics | |
Spectral type | K0III |
U−B color index | 0.77 |
B−V color index | 1.0 |
R−I color index | 0.5 |
Astrometry | |
Radial velocity (Rv) | 16.7 km/s |
Proper motion (μ) | RA: -22.5 mas/yr Dec.: -164.31 mas/yr |
Parallax (π) | 12.79 ± 0.87 mas |
Distance | 260 ± 20 ly (78 ± 5 pc) |
Absolute magnitude (MV) | 6.308 |
Details | |
Mass | 0,8 M☉ |
Radius | 0,9 R☉ |
Luminosity | 0,4 L☉ |
Temperature | 3,500–5,000 K |
Orbit | |
Companion | CCDM 14148+1006 B KUI 66 |
Semi-major axis (a) | 0,8″ |
Inclination (i) | 121° |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
15 Boötis is a binary star in the constellation Boötes. It is approximately 255 light years from Earth.
The primary component, 15 Boötis A, is an orange K-type giant with an apparent magnitude of +5.29. Its companion, a magnitude +8.1 star, is less than one arcsecond away.
References