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Star in the constellation Aquarius From Wikipedia, the free encyclopedia
8 Aquarii (abbreviated 8 Aqr) is a blue-white sub-giant of the spectral class A4IV in the constellation Aquarius. 8 Aquarii is the Flamsteed designation. It is approximately 290 light-years away from Earth, based on parallax.[1] It is approximately 1.7 solar masses and about 3 times hotter than the Sun and thus allows lines of ionized metals with an abundance of metals.[citation needed]
This article needs additional citations for verification. (April 2017) |
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 20h 59m 54.82678s[1] |
Declination | −13° 03′ 05.8699″[1] |
Apparent magnitude (V) | 6.60[2] |
Characteristics | |
Spectral type | A3/4 IV[3] |
Astrometry | |
Proper motion (μ) | RA: −27.46[1] mas/yr Dec.: 1.89[1] mas/yr |
Parallax (π) | 11.40 ± 0.85 mas[1] |
Distance | 290 ± 20 ly (88 ± 7 pc) |
Details | |
Mass | 1.9[4] M☉ |
Radius | 2.27[4] R☉ |
Luminosity | 19[4] L☉ |
Surface gravity (log g) | 4.06[5] cgs |
Temperature | 8,008[4] K |
Metallicity [Fe/H] | 0.11[5] dex |
Other designations | |
Database references | |
SIMBAD | data |
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