HD 34868
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Columba |
| Right ascension | 05h 19m 23.685s |
| Declination | −27° 22′ 07.98″ |
| Apparent magnitude (V) | 5.972±0.002 |
| Characteristics | |
| Spectral type | A0 V or A1 IV |
| B−V color index | −0.04 |
| Astrometry | |
| Radial velocity (Rv) | 18±4 km/s |
| Proper motion (μ) | RA: −3.366 mas/yr Dec.: −8.459 mas/yr |
| Parallax (π) | 7.9531±0.0288 mas |
| Distance | 410 ± 1 ly (125.7 ± 0.5 pc) |
| Absolute magnitude (MV) | +0.35 |
| Details | |
| Mass | 2.73±0.08 M☉ |
| Radius | 3.00±0.44 R☉ |
| Luminosity | 82.3+13 −11.3 L☉ |
| Surface gravity (log g) | 3.94 cgs |
| Temperature | 9,908±92 K |
| Metallicity [Fe/H] | −0.12 dex |
| Rotational velocity (v sin i) | 103 km/s |
| Age | 245±19 Myr |
| Other designations | |
| 12 G. Columbae, CD−27 2204, HD 34868, HIP 24831, HR 1758, SAO 170311 | |
| Database references | |
| SIMBAD | data |
HD 34868 (HR 1758) is a solitary star located in the southern constellation Columba. With an apparent magnitude of 5.97, it's barely visible to the unaided eye. The star is located 410 light years away based on parallax, but is drifting away with a heliocentric radial velocity of 18 km/s.