45 Aquarii
45 Aquarii is a star in the zodiac constellation of Aquarius. 45 Aquarii is its Flamsteed designation. Its apparent magnitude is 5.96.
| 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] |
| Distance | 332 ± 3 ly (102 ± 1 pc) |
| Absolute magnitude (MV) | 0.69[2] |
| Details | |
| Radius | 10.42+0.38 −1.46[1] R☉ |
| Luminosity | 49.8±0.6[1] L☉ |
| Temperature | 4750±374[1] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- 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.
- 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.
- 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.
- "45 Aqr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-05-16.
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