Rho Piscium
Rho Piscium (ρ Piscium) is a solitary, yellow-hued star in the zodiac constellation of Pisces. With an apparent visual magnitude of +5.34, it is faintly visible to the naked eye. Based upon an annual parallax shift of 39.66 mas as seen from Earth, it is located 82 light years from the Sun. It is a member of the thin disk population of the Milky Way.
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Pisces |
| Right ascension | 01h 26m 15.26209s |
| Declination | +19° 10′ 20.4526″ |
| Apparent magnitude (V) | +5.344 |
| Characteristics | |
| Spectral type | F2 V |
| B−V color index | +0.374 |
| Astrometry | |
| Radial velocity (Rv) | −7.7±1.0 km/s |
| Proper motion (μ) | RA: −26.89 mas/yr Dec.: +11.12 mas/yr |
| Parallax (π) | 39.66 ± 0.25 mas |
| Distance | 82.2 ± 0.5 ly (25.2 ± 0.2 pc) |
| Absolute magnitude (MV) | +3.34 |
| Details | |
| Mass | 1.31 M☉ |
| Radius | 1.1 R☉ |
| Luminosity | 3.6 L☉ |
| Surface gravity (log g) | 4.41±0.14 cgs |
| Temperature | 6,822±232 K |
| Metallicity [Fe/H] | −0.31 dex |
| Rotational velocity (v sin i) | 60.1 km/s |
| Age | 778 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
This is an F-type main sequence star with a stellar classification of F2 V. It is a suspected variable star that ranges in magnitude from a maximum of 5.35 to a minimum of 5.44 magnitude. The star is a source of X-ray emission with a luminosity of 117.6×1020 W. It is 778 million years old and is spinning with a projected rotational velocity of 60.1 km/s. The star has 1.3 times the mass of the Sun and about 1.1 times the Sun's radius. It is radiating 3.6 times the Sun's luminosity from its photosphere at an effective temperature of 6,822 K.