HD 220466
Star in the constellation Aquarius / From Wikipedia, the free encyclopedia
HD 220466 is a F-type subgiant or main sequence star in the constellation Aquarius. It has apparent magnitude 6.47 and is about 200 light-years away.[1] In 1913, an apparent visual companion of apparent magnitude 10.3 was observed 1.9 arcseconds away from the star,[7] but it is doubtful whether it exists.[8]
Quick Facts Constellation, Right ascension ...
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Aquarius |
Right ascension | 23h 24m 03.97947s[1] |
Declination | −21° 46′ 27.8819″[1] |
Apparent magnitude (V) | 6.50[2] |
Characteristics | |
Spectral type | F3IV/V[3] |
U−B color index | −0.03[2] |
B−V color index | +0.42[2] |
Astrometry | |
Radial velocity (Rv) | 24.5[4] km/s |
Proper motion (μ) | RA: −67.70[1] mas/yr Dec.: −77.45[1] mas/yr |
Parallax (π) | 15.99 ± 0.72 mas[1] |
Distance | 204 ± 9 ly (63 ± 3 pc) |
Absolute magnitude (MV) | 2.50[5] |
Details | |
Mass | 1.47 (1.41 to 1.52)[6] M☉ |
Temperature | 6,456[5] K |
Metallicity [Fe/H] | −0.18[5] dex |
Age | 2.0[5] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
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