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85 Ceti (HD 16861) |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Aries |
| Right ascension | 02h 42m 28.9356s |
| Declination | +10° 44′ 30.209″ |
| Apparent magnitude (V) | 6.31 |
| Characteristics | |
| Spectral type | A2V |
| U−B color index | 0.06 |
| B−V color index | 0.06 |
| R−I color index | 0.02 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | 6.1 km/s |
| Proper motion (μ) | RA: -24.27 mas/yr Dec.: -23.37 mas/yr |
| Parallax (π) | 7.66 ± 0.94 mas |
| Distance | approx. 430 ly (approx. 130 pc) |
| Absolute magnitude (MV) | 6.36 |
| Details | |
| Mass | 3.1 M☉ |
| Radius | 2.1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Rotational velocity (v sin i) | 33 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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85 Ceti or HD 16861 is variable star.
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