HD 90089
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Camelopardalis |
| Right ascension | 10h 31m 04.6638s |
| Declination | +82° 33′ 30.915″ |
| Apparent magnitude (V) | 5.261 |
| Characteristics | |
| Spectral type | F2V |
| U−B color index | -0.05 |
| B−V color index | 0.37 |
| Variable type | Variable star NSV 4864 |
| Astrometry | |
| Radial velocity (Rv) | 7 km/s |
| Proper motion (μ) | RA: -79.21 mas/yr Dec.: 20.43 mas/yr |
| Parallax (π) | 46.54 ± 0.55 mas |
| Distance | 70.1 ± 0.8 ly (21.5 ± 0.3 pc) |
| Absolute magnitude (MV) | 5.608 |
| Details | |
| Mass | 1,7 M☉ |
| Radius | 1,4 R☉ |
| Luminosity | 6 L☉ |
| Temperature | 6,000–7,500 K |
| Rotation | 107 Km/s 0,001816 Year |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 90089 is a variable star in the constellation Camelopardalis.
References
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