GU Piscium
GU Piscium is a star in the constellation Pisces. An RS Canum Venaticorum variable, it ranges from magnitude 12.96 to 13.24 over 1.04 days. It is 48 Parsecs (155 light-years) distant from Earth. This star is also believed to be a member of the AB Doradus moving group with a membership probability of 96.9%.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Pisces |
| Right ascension | 01h 12m 35.0519s |
| Declination | 17° 03′ 55.5712″ |
| Apparent magnitude (V) | 12.96 - 13.24 |
| Characteristics | |
| Spectral type | M3 |
| Astrometry | |
| Radial velocity (Rv) | −1.5±0.5 km/s |
| Proper motion (μ) | RA: 96.642±0.127 mas/yr Dec.: −100.704±0.107 mas/yr |
| Parallax (π) | 21.0019 ± 0.0721 mas |
| Distance | 155.3 ± 0.5 ly (47.6 ± 0.2 pc) |
| Details | |
| Radius | 0.54±0.04 R☉ |
| Surface gravity (log g) | 4.75±0.07 cgs |
| Temperature | 3250±32 K |
| Metallicity | −0.25±0.19 |
| Rotational velocity (v sin i) | 23.7±2.2 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
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