3 Boötis
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Boötes |
Right ascension | 13h 46m 43.3231s |
Declination | +25° 42′ 08.05″ |
Apparent magnitude (V) | 5.95 |
Characteristics | |
Spectral type | G5III+A7V: |
U−B color index | 0.1 |
B−V color index | 0.49 |
Astrometry | |
Radial velocity (Rv) | -7.5 km/s |
Proper motion (μ) | RA: -18.34 mas/yr Dec.: -59.46 mas/yr |
Parallax (π) | 11.97 ± 0.78 mas |
Distance | 270 ± 20 ly (84 ± 5 pc) |
Absolute magnitude (MV) | 6.44 |
Details | |
Mass | 1,1 M☉ |
Radius | 1,1 R☉ |
Luminosity | 1,2 L☉ |
Temperature | 5,000–6,000 K |
Orbit | |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
3 Boötis (abbr.: 3 Boo) is a star in the constellation Boötes. Its apparent magnitude is 5.97.
References
This article is issued from Wikipedia - version of the 10/30/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.