HD 219659
Suspected variable star in the constellation Aquarius / From Wikipedia, the free encyclopedia
HD 219659 is suspected variable star in the equatorial constellation of Aquarius.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 23h 17m 40.08278s[1] |
Declination | −11° 42′ 46.5910″[1] |
Apparent magnitude (V) | 6.33[2] |
Characteristics | |
Spectral type | A1/A2IV/V[3] |
U−B color index | +0.00[2] |
B−V color index | +0.05[2] |
Astrometry | |
Radial velocity (Rv) | 2.2[4] km/s |
Proper motion (μ) | RA: +40.58[1] mas/yr Dec.: +5.32[1] mas/yr |
Parallax (π) | 8.24 ± 0.53 mas[1] |
Distance | 400 ± 30 ly (121 ± 8 pc) |
Details | |
Radius | 1.9[5] R☉ |
Rotational velocity (v sin i) | 196[6] km/s |
Other designations | |
Database references | |
SIMBAD | data |
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