GU Piscium
Star in the constellation Pisces / From Wikipedia, the free encyclopedia
GU Piscium is a star in the constellation Pisces.[5] An RS Canum Venaticorum variable, it ranges from magnitude 12.96 to 13.24 over 1.04 days.[6] It is 48 Parsecs (155 light-years) distant from Earth.[7] This star is also believed to be a member of the AB Doradus moving group with a membership probability of 96.9%.[8]
Quick Facts Observation data Epoch J2000.0 Equinox J2000.0, Constellation ...
Observation data Epoch J2000.0 Equinox J2000.0 | |
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Constellation | Pisces |
Right ascension | 01h 12m 35.0519s[1] |
Declination | 17° 03′ 55.5712″[1] |
Apparent magnitude (V) | 12.96 - 13.24 |
Characteristics | |
Spectral type | M3[2] |
Astrometry | |
Radial velocity (Rv) | −1.5±0.5[3] km/s |
Proper motion (μ) | RA: 96.642±0.127[1] mas/yr Dec.: −100.704±0.107[1] mas/yr |
Parallax (π) | 21.0019 ± 0.0721 mas[1] |
Distance | 155.3 ± 0.5 ly (47.6 ± 0.2 pc) |
Details | |
Radius | 0.54±0.04[4] R☉ |
Surface gravity (log g) | 4.75±0.07[4] cgs |
Temperature | 3250±32[4] K |
Metallicity | −0.25±0.19[4] |
Rotational velocity (v sin i) | 23.7±2.2[3] km/s |
Other designations | |
Database references | |
SIMBAD | data |
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