81 Aquarii

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81 Aquarii
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 23h 01m 23.64174s[1]
Declination −07° 03′ 40.1556″[1]
Apparent magnitude (V) 6.23[2]
Characteristics
Spectral type K5 III[3]
B−V color index 1.418±0.005[2]
Distance
451 ± 4 ly
(138 ± 1 pc)
Absolute magnitude (MV)0.34[2]
Details
Radius18.02+1.36
−2.45[1] R☉
Luminosity102.3+1.3
−0.6[1] L☉
Temperature4,324+329
−154[1] K
HR 8757, SAO 146447[4]
Database references
SIMBADdata

81 Aquarii is a

lunar occultations.[5]

This is an aging

Sun's luminosity from its enlarged photosphere at an effective temperature of 4,324 K.[1]

References

  1. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  2. ^
    S2CID 119257644
    .
  3. ^
    Bibcode:1999MSS...C05....0H
    .
  4. ^ "81 Aqr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-07-08.
  5. doi:10.1086/113008
    .
  6. doi:10.1086/150921
    .
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