Iota Piscis Austrini

ι Piscis Austrini
Location of ι Piscis Austrini (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Piscis Austrinus
Right ascension 21h 44m 56.809s[1]
Declination −33° 01′ 32.82″[1]
Apparent magnitude (V) +4.35[2]
Characteristics
Spectral type A0 V[3] or A0 III-IV[4]
U−B color index −0.11[2]
B−V color index −0.05[2]
Astrometry
Proper motion (μ) RA: +31.10[1] mas/yr
Dec.: −94.56[1] mas/yr
Parallax (π)15.97 ± 0.17 mas[1]
Distance204 ± 2 ly
(62.6 ± 0.7 pc)
Absolute magnitude (MV)+0.37[4]
Details
Luminosity87[4] L☉
Temperature9,330[5] K
Rotational velocity (v sin i)50[3] km/s
Other designations
ι PsA, 9 Piscis Austrini, CPD−33° 6184, FK5 814, HD 206742, HIP 107380, HR 8305, SAO 213258, WDS J21449-3302A[6]
Database references
SIMBADdata

Iota Piscis Austrini (ι Piscis Austrini) is a solitary,[7] blue-white hued star in the southern constellation of Piscis Austrinus. It has an apparent visual magnitude of +4.35[2] and is around 500 light years from the Sun. This is an A-type main sequence star with a stellar classification of A0 V.[3] It has a magnitude 11.4 visual companion located at an angular separation of 20 arc seconds along a position angle of 290°, as of 1910.[8]

Iota Piscis Austrini is moving through the Galaxy at a speed of 29.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 18,400 and 24,300 light years from the center of the Galaxy.[9][unreliable source?]

  1. ^ a b c d e Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Drilling1971 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference Levato1972 was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference dr2 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference WDSC2014 was invoked but never defined (see the help page).
  9. ^ Iota Piscis Austrini (HIP 107380)