103 Aquarii
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 (ICRS) Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 23h 41m 34.48853s[1] |
| Declination | −18° 01′ 37.4731″[1] |
| Apparent magnitude (V) | 5.34[2] |
| Characteristics | |
| Spectral type | K4/K5 III[3] |
| B−V color index | +1.57[2] |
| Astrometry | |
| Radial velocity (Rv) | +25.1[4] km/s |
| Proper motion (μ) | RA: –41.25[1] mas/yr Dec.: –71.85[1] mas/yr |
| Parallax (π) | 4.31 ± 0.31[1] mas |
| Distance | 760 ± 50 ly (230 ± 20 pc) |
| Details | |
| Surface gravity (log g) | 1.59[5] cgs |
| Temperature | 3,910[5] K |
| Metallicity [Fe/H] | –0.18[5] dex |
| Other designations | |
103 Aquarii (abbreviated 103 Aqr) is a star in the equatorial constellation of Aquarius. 103 Aquarii is the Flamsteed designation although it also bears the Bayer designation A1 Aquarii.[7] It is faint but visible to the naked eye with an apparent visual magnitude of 5.34.[2] Based upon an annual parallax shift of 4.31 milliarcseconds, the distance to this star is around 760 light-years (230 parsecs).[1] This is classified as an evolved K-type giant star.[3]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ HD 222547, database record, HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index, N. D. Kostjuk, Institute of Astronomy of Russian Academy of Sciences, 2002; CDS ID IV/27A.
External links
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