HD 16028
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Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
Andromeda |
Right ascension | 02h 35m 38.7417s |
Declination | +37° 18′ 44.146″ |
Apparent magnitude (V) | 5.726 |
Characteristics | |
Spectral type | K4III |
B-V color index | 1.39 |
Astrometry | |
Radial velocity (Rv) | -6.3 km/s |
Proper motion (μ) | RA: -0.91 mas/yr Dec.: -11.38 mas/yr |
Parallax (π) | 4.82 ± 0.92 mas |
Distance | approx. 700 ly (approx. 210 pc) |
Absolute magnitude (MV) | 7.139 |
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 16028 B |
Semimajor axis (a) | 18.3" |
Inclination (i) | 71° |
Visual binary orbit | |
Companion | HD 16028 C |
Semimajor axis (a) | 45.6" |
Inclination (i) | 207° |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
HD 16028 or (ADS 1964) a star in double system.
[edit] Components
NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
---|---|---|---|---|---|
ADS 1964 B (BD+36 519B) | 02h 35m 40.1852s | +37° 18' 50.103 | 10.27 | Simbad | |
ADS 1964 C (BD+36 519C) | 02h 35m 36.9s | +37° 18' 04 | 11.7 | Simbad |