HD 185269
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 37m 11.74116s |
| Declination | +28° 29′ 59.5070″ |
| Apparent magnitude (V) | 6.67 |
| Characteristics | |
| Evolutionary stage | subgiant |
| Spectral type | G0IV |
| B−V color index | 0.58 |
| Astrometry | |
| Proper motion (μ) | RA: −31.563 mas/yr Dec.: −81.082 mas/yr |
| Parallax (π) | 19.2423±0.0182 mas |
| Distance | 169.5 ± 0.2 ly (51.97 ± 0.05 pc) |
| Absolute magnitude (MV) | 3.29 |
| Absolute bolometric magnitude (Mbol) | 3.228 |
| Details | |
| Mass | 1.33 M☉ |
| Radius | 2.1 R☉ |
| Luminosity | 4.8 L☉ |
| Surface gravity (log g) | 4.05 cgs |
| Temperature | 5,983 K |
| Metallicity [Fe/H] | 0.10 dex |
| Rotation | 29.5 days |
| Rotational velocity (v sin i) | 5.5 km/s |
| Age | 4.0 Gyr |
| Other designations | |
| BD+28°3412, HIP 96507, SAO 87464 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HD 185269 is a stellar triple system approximately 170 light-years away in the constellation Cygnus. It is easily visible to binoculars, but not the naked eye.
The primary star is a third more massive and nearly five times as luminous than the Sun. The spectrum of the star is G0IV. About 4.5 arcseconds away are the two other stars, which are much less massive than the Sun. The primary has a mass of 0.165 M☉, while the secondary has a mass of 0.154 M☉.