Zeta Piscis Austrini

Zeta Piscis Austrini
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Piscis Austrinus
Right ascension 22h 30m 53.77304s[1]
Declination −26° 04′ 25.5068″[1]
Apparent magnitude (V) +6.43[2]
Characteristics
Spectral type K1 III[3]
B−V color index +1.08[2]
Astrometry
Radial velocity (Rv)−22.97±0.13[1] km/s
Proper motion (μ) RA: +40.680[1] mas/yr
Dec.: −74.855[1] mas/yr
Parallax (π)7.8938 ± 0.0476 mas[1]
Distance413 ± 2 ly
(126.7 ± 0.8 pc)
Absolute magnitude (MV)+0.83[4]
Details
Radius10.27+0.45
−0.75[1] R☉
Luminosity49.1±0.4[1] L☉
Temperature4,768+183
−102[1] K
Other designations
ζ PsA, NSV 14180, CPD−26° 7379, FK5 5986, HD 213296, HIP 111138, HR 8570, SAO 191196[5]
Database references
SIMBADdata

Zeta Piscis Austrini, Latinized from ζ Piscis Austrini, is an orange-hued star in the southern constellation of Piscis Austrinus. It has an apparent visual magnitude of +6.43, which is near the lower limit of stars that can be seen with the naked eye. Based upon an annual parallax shift of 7.55 mas as seen from the Gaia telescope, the star is located 413 ± 2 light years from the Sun.[1] This is an evolved K-type giant star with a stellar classification of K1 III.[3] It is a suspected variable star.[6]

  1. ^ a b c d e f g h i j Cite error: The named reference GaiaDR2 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Corben1968 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference houk1979 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Demartino1996 was invoked but never defined (see the help page).