A-type main sequence star in the constellation Pisces
Upsilon Piscium
Location of υ Piscium (circled)
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation
Pisces
Right ascension
01h 19m 27.99289s[1]
Declination
+27° 15′ 50.6155″[1]
Apparent magnitude (V)
4.752[2]
Characteristics
Spectral type
A3 V[3]
U−B color index
+0.10[2]
B−V color index
+0.03[2]
Astrometry
Radial velocity (Rv)
+5.8±2.7[4] km/s
Proper motion (μ)
RA: +22.98[1] mas/yr Dec.: −11.12[1] mas/yr
Parallax (π)
10.59 ± 0.25 mas[1]
Distance
308 ± 7 ly (94 ± 2 pc)
Absolute magnitude (MV)
−0.13[5]
Details
Mass
2.84±0.05[3]M☉
Radius
2.2[6]R☉
Luminosity
117[3]L☉
Surface gravity (log g)
3.59[7] cgs
Temperature
9,183±312[7] K
Metallicity [Fe/H]
+0.00±0.05[8] dex
Rotational velocity (v sin i)
91[3] km/s
Age
461[7] Myr
Other designations
υ Psc, 90 Piscium, BD+26° 220, FK5 45, HD 7964, HIP 6193, HR 383, SAO 74637[9]
Database references
SIMBAD
data
Upsilon Piscium is a solitary,[10] white-hued star in the zodiac constellation of Pisces. It is faintly visible to the naked eye, having an apparent visual magnitude of +4.75.[2] Based upon an annual parallax shift of 10.59 mas as seen from Earth,[1] it is located about 308 light years from the Sun. The star is drifting further away with a heliocentric radial velocity of +6 km/s.[4]
This is an ordinary A-type main sequence star with a stellar classification of A3 V.[3] It is 461[7] million years old – about 98% of the way through its main sequence lifetime[3] – and is spinning with a projected rotational velocity of 91 km/s.[3] The star has 2.8[3] times the mass of the Sun, about 2.2[6] times the Sun's radius, and is radiating 117[3] times the Sun's luminosity from its photosphere at an effective temperature of 9183 K.[7]
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^Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).
UpsilonPiscium is a solitary, white-hued star in the zodiac constellation of Pisces. It is faintly visible to the naked eye, having an apparent visual...
from the neighbouring constellations, such as Pisces (near the star UpsilonPiscium), Triangulum and Cassiopeia. The first known sighting of the Andromedids...
therefore does not justify the additional complexity. 107 Piscium 109 Piscium Delta Trianguli Upsilon Andromedae Brown, A. G. A.; et al. (Gaia collaboration)...
system 2.65 Alpha Columbae Star 2.65 Beta Arietis Binary star system 2.65 Upsilon Scorpii Star 2.668 Delta Sagittarii Star 2.68 Beta Lupi Star 2.68 Eta Boötis...
orbited by objects on both sides of the 13 Jupiter mass dividing line. 54 Piscium (HD 3651) HD 168443 Gliese 229 A Epsilon Indi A HD 82943 Pi Mensae HD 38529...