HD 5788
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Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
Andromeda |
Right ascension | 01h 00m 03.37s |
Declination | +44° 42′ 40.1″ |
Apparent magnitude (V) | 6.84 |
Characteristics | |
Spectral type | A2Vn |
U-B color index | -0.06 |
B-V color index | -0.01 |
Astrometry | |
Radial velocity (Rv) | 17 km/s |
Proper motion (μ) | RA: 10 mas/yr Dec.: -26 mas/yr |
Parallax (π) | 7.76 ± 1.11 mas |
Distance | approx. 420 ly (approx. 130 pc) |
Absolute magnitude (MV) | 6.8 |
Details | |
Mass | 3.1 M☉ |
Radius | 2.1 R☉ |
Luminosity | 40 L☉ |
Temperature | 7.500–10.000 K |
Metallicity | ? |
Rotation | 0.00116589769 Year |
Age | ? years |
Visual binary orbit | |
Companion | ADS 824 B |
Semimajor axis (a) | 7.8" |
Inclination (i) | 193° |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
HD 5788 or (ADS 824 B) a star in double system.
[edit] Components
NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
---|---|---|---|---|---|
ADS 824 A (HD 5789) | 01h 00m 03.5593s | +44° 42' 47.674 | 6.064 | B9.5Vn | Simbad |