HD 219659
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Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 23h 17m 40.0831s |
Declination | −11° 42′ 46.593″ |
Apparent magnitude (V) | 6.335 |
Characteristics | |
Spectral type | A1/A2IV/V |
U−B color index | 0.01 |
B−V color index | 0.05 |
Variable type | Variable star |
Astrometry | |
Radial velocity (Rv) | 3 km/s |
Proper motion (μ) | RA: 41.21 mas/yr Dec.: 5.11 mas/yr |
Parallax (π) | 8.37 ± 0.85 mas |
Distance | approx. 390 ly (approx. 120 pc) |
Absolute magnitude (MV) | 6.384 |
Details | |
Mass | 3.1 M☉ |
Radius | 2.1 R☉ |
Luminosity | 40 L☉ |
Temperature | 7,500–10,000 K |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 219659 is variable star.
References
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