HD 188385
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 54m 40.2004s |
| Declination | +07° 08′ 25.271″ |
| Apparent magnitude (V) | 6.139 |
| Characteristics | |
| Spectral type | A2V |
| U−B color index | -0.97 |
| B−V color index | -0.07 |
| Astrometry | |
| Radial velocity (Rv) | -16 km/s |
| Proper motion (μ) | RA: 29.12 mas/yr Dec.: -0.01 mas/yr |
| Parallax (π) | 12.38 ± 0.89 mas |
| Distance | 260 ± 20 ly (81 ± 6 pc) |
| Absolute magnitude (MV) | 6.179 |
| Details | |
| Radius | 19.4[1] R☉ |
| Temperature | 31,078 ± 422[1] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 188385 is star in double system.
References
- ↑ 1.0 1.1 Underhill, A. B. et al. (November 1979), "Effective temperatures, angular diameters, distances and linear radii for 160 O and B stars", Monthly Notices of the Royal Astronomical Society 189: 601–605, Bibcode:1979MNRAS.189..601U
External links
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