54 Aquarii
54 Aquarii (abbreviated 54 Aqr) is a faint, white-colored main-sequence star in the constellation of Aquarius. 54 Aquarii is its Flamsteed designation. It is about 270 light-years, or 78 parsecs from Earth, based on its parallax.[1]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 26m 41.66612s[1] |
| Declination | −11° 13′ 41.5205″[1] |
| Apparent magnitude (V) | 6.98[2] |
| Characteristics | |
| Spectral type | A3III/IV[3] |
| Astrometry | |
| Proper motion (μ) | RA: 34.62[1] mas/yr Dec.: -12.00[1] mas/yr |
| Parallax (π) | 12.85 ± 0.56[1] mas |
| Distance | 250 ± 10 ly (78 ± 3 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
- Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 5. Bibcode:1999MSS...C05....0H.
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