p Eridani AB
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Eridanus
Right ascension 01
Declination -56° 11′ 47.0997″
Apparent magnitude (V) 5.87 / 5.76
Characteristics
Spectral type K0V / K5V
U−B color index 0.56 / 0.61
B−V color index 0.85 / 0.88
Variable type None
Astrometry
Radial velocity (Rv) +19.5 km/s
Proper motion (μ) RA: 282.16 mas/yr
Parallax (π) 127.84 ± 2.19mas
Distance 25.5 ± 0.4 ly
(7.8 ± 0.1 pc)
Absolute magnitude (MV) 6.25 / 6.35
Orbit
Companion p Eridani B
Period (P) 483.66 yr
Semimajor axis (a) 7.817"
Eccentricity (e) 0.5344
Inclination (i) 142.824°
Longitude of the node (Ω) 13.116°
Periastron epoch (T) 1813.494
Details
Metallicity [Fe/H] –0.23dex
Rotation 30 days
Age 4.8Gyr
Other designations
Gliese 66, HR 487, CD -56°328, HD 10360/1, LTT 902, GCTP 352.00, SAO 232490, CP(D)-56 329, WDS 01398-5612, Dunlop 5, HIP 7751.

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P Eridani, which is released under the Creative Commons Attribution-Share-Alike License 3.0