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45 Aquarii
Observation data
Epoch J2000.0       Equinox J2000.0 ( ICRS)
Constellation Aquarius
Right ascension 22h 19m 00.74091s [1]
Declination −13° 18′ 17.9706″ [1]
Apparent magnitude (V) 5.96 [2]
Characteristics
Spectral type K0 III [3]
B−V color index 1.075±0.004 [2]
Astrometry
Radial velocity (Rv)+30.0±2.9 [2] km/s
Proper motion (μ) RA: +73.313 [1]  mas/ yr
Dec.: −9.010 [1]  mas/ yr
Parallax (π)9.8225 ± 0.0992  mas [1]
Distance332 ± 3  ly
(102 ± 1  pc)
Absolute magnitude (MV)0.69 [2]
Details
Radius10.42+0.38
−1.46 [1]  R☉
Luminosity49.8±0.6 [1]  L☉
Temperature4750±374 [1]  K
Other designations
45 Aqr, BD−14°6255, GC 31199, HD 211676, HIP 110179, HR 8508, SAO 164996 [4]
Database references
SIMBAD data

45 Aquarii is a star in the zodiac constellation of Aquarius. 45 Aquarii is its Flamsteed designation. Its apparent magnitude is 5.96.

References

  1. ^ a b c d e f g h Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv: 1804.09365. Bibcode: 2018A&A...616A...1G. doi: 10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ a b c d Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv: 1108.4971, Bibcode: 2012AstL...38..331A, doi: 10.1134/S1063773712050015, S2CID  119257644.
  3. ^ Houk, Nancy; Smith-Moore, M. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode: 1988mcts.book.....H.
  4. ^ "45 Aqr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-05-16.


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