HR 10
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cetus |
| Right ascension | 00h 07m 18.26851s |
| Declination | −17° 23′ 13.1723″ |
| Apparent magnitude (V) | 6.23 |
| Characteristics | |
| Spectral type | A2IV/V |
| Apparent magnitude (B) | 6.33 |
| Apparent magnitude (J) | 5.858 |
| Apparent magnitude (H) | 5.83 |
| Apparent magnitude (K) | 5.747 |
| Astrometry | |
| Radial velocity (Rv) | −10.20 ± 0.9 km/s |
| Proper motion (μ) |
RA: −7.51 mas/yr Dec.: 15.88 mas/yr |
| Parallax (π) | 5.68 ± 0.69mas |
| Distance | approx. 570 ly (approx. 180 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 256 is a young A-type star in the constellation Cetus. Exocomets have been discovered obiting around it.
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