HD 185269

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.

HD 185269
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cygnus
Right ascension 19h 37m 11.7411s
Declination +28° 29 59.5025
Apparent magnitude (V) 6.67
Characteristics
Spectral type G0IV
B−V color index 0.58
Astrometry
Proper motion (μ) RA: −31.499±0.045 mas/yr
Dec.: −80.782±0.046 mas/yr
Parallax (π)19.2049 ± 0.0309 mas
Distance169.8 ± 0.3 ly
(52.07 ± 0.08 pc)
Absolute magnitude (MV)3.29
Absolute bolometric
magnitude
 (Mbol)
3.228
Details
Mass1.33 ± 0.07 M
Surface gravity (log g)4.05 ± 0.22 cgs
Temperature5983 ± 62 K
Metallicity [Fe/H]0.10 ± 0.08 dex
Rotational velocity (v sin i)5.5 km/s
Age4.0 ± 1.0 Gyr
Other designations
BD+28° 3412, HIP 96507, SAO 87464
Database references
SIMBADdata
Exoplanet Archivedata

The primary star is a third more massive and four times more 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.

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