| |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Phoenix |
| Right ascension | 00h43m 21.23841s[1] |
| Declination | −57° 27′ 47.0073″[1] |
| Apparent magnitude (V) | 4.36[2] |
| Characteristics | |
| Spectral type | A0IV[2] |
| U−B color index | -0.02[3] |
| B−V color index | +0.00[3] |
| Astrometry | |
| Radial velocity (Rv) | +7.70[4] km/s |
| Proper motion (μ) | RA: -5.07[1] mas/yr Dec.: +16.51[1] mas/yr |
| Parallax (π) | 13.24 ± 0.34 mas[1] |
| Distance | 246 ± 6 ly (76 ± 2 pc) |
| Absolute magnitude (MV) | -0.03[2] |
| Details | |
| Mass | 2.93[5] M☉ |
| Luminosity | 120[5] L☉ |
| Surface gravity (log g) | 3.85[6] cgs |
| Temperature | 9,822[6] K |
| Metallicity [Fe/H] | 0.00[7] dex |
| Rotational velocity (v sin i) | 124[5] km/s |
| Other designations | |
CCDM J00434-5728A, FK5 23, GC 866, HIP 3405, HR 191, HD 4150, SAO 232162, WDS J00434-5728A | |
| Database references | |
| SIMBAD | data |
Eta Phoenicis (η Phe) is a class A0IV[2] (white subgiant) star in the constellation Phoenix. Its apparent magnitude is 4.36[2] and it is approximately 246 light years away based on parallax.[1]
Eta Phoenicis has two reported companions; in addition to a distant secondary, B, at magnitude 11.5 and separation 20", the primary has a reported companion Ab with an estimated separation of 6.8 AU, a period slightly longer than 10 years, a magnitude of 8.5, and a spectral type around G5V.[8][9] The primary is surrounded by an orbiting debris disk.[10]
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