I Eridani
B-type star in the constellation Eridanus
From Wikipedia, the free encyclopedia
i Eridani (HD 24626) is a B-type main-sequence star in the constellation Eridanus. With an apparent magnitude of 5.11, it is faintly visible to the naked eye on a clear night.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Eridanus[1] |
| Right ascension | 03h 53m 38.95s[2] |
| Declination | −34° 43′ 56.3″[2] |
| Apparent magnitude (V) | 5.11[3] |
| Characteristics | |
| Evolutionary stage | main sequence[4] |
| Spectral type | B6/7V[5] |
| B−V color index | −0.13[3] |
| Astrometry | |
| Proper motion (μ) | RA: +31.797[2] mas/yr Dec.: −1.902[2] mas/yr |
| Parallax (π) | 9.0016±0.0834 mas[2] |
| Distance | 362 ± 3 ly (111 ± 1 pc) |
| Absolute magnitude (MV) | −0.02[1] |
| Details | |
| Mass | 3.8[4] M☉ |
| Radius | 2.5[6] R☉ |
| Luminosity | 226[4] L☉ |
| Surface gravity (log g) | 4.26[6] cgs |
| Temperature | 13,772[4] K |
| Rotational velocity (v sin i) | 43[4] km/s |
| Age | 207[7] Myr |
| Other designations | |
| CD−35°1455, HD 24626, HR 1214, SAO 194608[8] | |
| Database references | |
| SIMBAD | data |
