Back Delta Eridani AST Delta Eridani German Rana (estrella) Spanish رانا (ستاره) Persian Delta Eridani French Delta Eridani ID Rana (astronomia) Italian エリダヌス座デルタ星 Japanese 에리다누스자리 델타 Korean Rana (Stär) LB
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Eridanus |
| Right ascension | 03h 43m 14.90054s[1] |
| Declination | −09° 45′ 48.2110″[1] |
| Apparent magnitude (V) | 3.53[2] |
| Characteristics | |
| Evolutionary stage | Subgiant |
| Spectral type | K0 IV[3] |
| U−B color index | +0.69[4] |
| B−V color index | +0.92[4] |
| Variable type | none[2] |
| Astrometry | |
| Radial velocity (Rv) | −6.28±0.09[5] km/s |
| Proper motion (μ) | RA: −93.634 mas/yr[1] Dec.: +744.360 mas/yr[1] |
| Parallax (π) | 110.0254±0.1944 mas[1] |
| Distance | 29.64 ± 0.05 ly (9.09 ± 0.02 pc) |
| Absolute magnitude (MV) | 3.77[6] |
| Details[7] | |
| Mass | 1.33±0.07[8] M☉ |
| Radius | 2.35±0.01 R☉ |
| Luminosity | 3.17±0.09 L☉ |
| Surface gravity (log g) | 3.66±0.1 cgs |
| Temperature | 5,027±48 K |
| Metallicity [Fe/H] | +0.07±0.03 dex |
| Rotational velocity (v sin i) | 0.7±0.6[8] km/s |
| Age | 6.194[9] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Delta Eridani, Latinized from δ Eridani, also named Rana, is the fifth-brightest star in the constellation of Eridanus.
The star is visible to the naked eye with an apparent magnitude of 3.54. It is relatively near to the Sun, with a distance of about 29.6 light-years as determined from parallax.[1] The star is drifting closer with a radial velocity of −6 km/s.[5]
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