HD 187923
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquila |
Right ascension | 19h 52m 03.4377s |
Declination | +11° 37′ 41.983″ |
Apparent magnitude (V) | 6.1 |
Characteristics | |
Spectral type | G0V |
U−B color index | 0.13 |
B−V color index | 0.65 |
Variable type | Variable star |
Astrometry | |
Radial velocity (Rv) | 3 km/s |
Proper motion (μ) | RA: 177 mas/yr Dec.: -109 mas/yr |
Parallax (π) | 16.36 ± 0.76 mas |
Distance | 199 ± 9 ly (61 ± 3 pc) |
Absolute magnitude (MV) | -1.87 |
Details | |
Mass | 1.1 M☉ |
Radius | 1.1 R☉ |
Luminosity | 1.2 L☉ |
Temperature | 5,000–6,000 K |
Rotational velocity (v sin i) | <= 10 km/s |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 187923 is a variable star.
References
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