HD 2767
From Wikipedia, the free encyclopedia
Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
Andromeda |
Right ascension | 00h 31m 25.6397s |
Declination | +33° 34′ 53.912″ |
Apparent magnitude (V) | 5.88 |
Characteristics | |
Spectral type | K1III |
B-V color index | 1.14 |
Astrometry | |
Radial velocity (Rv) | 9 km/s |
Proper motion (μ) | RA: 49.61 mas/yr Dec.: -16.26 mas/yr |
Parallax (π) | 6.98 ± 0.79 mas |
Distance | approx. 470 ly (approx. 140 pc) |
Absolute magnitude (MV) | 7.015 |
Details | |
Mass | 0.8 M☉ |
Radius | 0.9 R☉ |
Luminosity | 0.4 L☉ |
Temperature | 3.500–5.000 K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Visual binary orbit | |
Companion | HD 2767 B |
Semimajor axis (a) | 56.4" |
Inclination (i) | 85° |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
HD 2767 or BDS+258 A a star in double system.
[edit] Components
NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
---|---|---|---|---|---|
HD 2767 B (BD+32 81) | 00h 31m 30.1089s | +33° 34' 58.622 | 9.8 | F8 | Simbad |