HD 199442
Star in the constellation Aquarius / From Wikipedia, the free encyclopedia
HD 199442 is a giant star situated in the Aquarius constellation. It is located about 310 light years from the Solar System.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Aquarius |
Right ascension | 20h 57m 10.57663s[1] |
Declination | +00° 27′ 49.6073″[1] |
Apparent magnitude (V) | 6.065[2] |
Characteristics | |
Spectral type | K2III[2] |
U−B color index | +1.29[3] |
B−V color index | +1.22[3] |
Astrometry | |
Radial velocity (Rv) | −26.47[2] km/s |
Proper motion (μ) | RA: +10.70[1] mas/yr Dec.: −62.77[1] mas/yr |
Parallax (π) | 10.64 ± 0.44 mas[1] |
Distance | 310 ± 10 ly (94 ± 4 pc) |
Details | |
Mass | 1.20[2] M☉ |
Luminosity | 1.65[2] L☉ |
Surface gravity (log g) | 2.49[2] cgs |
Temperature | 4,605[2] K |
Metallicity [Fe/H] | 0.19[2] dex |
Rotational velocity (v sin i) | 2.7[4] km/s |
Other designations | |
Database references | |
SIMBAD | data |
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