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 |

