HD 192310

HD 192310 (also known as 5 G. Capricorni or Gliese 785) is a star in the southern constellation of Capricornus. It is located in the solar neighborhood at a distance of 28.7 light-years (8.8 parsecs), and is within the range of luminosity needed to be viewed from the Earth with the unaided eye. (According to the Bortle scale, it can be viewed from dark suburban skies.) HD 192310 is suspected of being a variable star, but this is unconfirmed.

HD 192310
Location of HD 192310 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Capricornus
Right ascension 20h 15m 17.39138s
Declination −27° 01 58.7116
Apparent magnitude (V) 5.73
Characteristics
Spectral type K2+ V
U−B color index 0.64
B−V color index 0.88
Variable type Suspected
Astrometry
Radial velocity (Rv)−54.41±0.13 km/s
Proper motion (μ) RA: 1242.763 mas/yr
Dec.: 181.175 mas/yr
Parallax (π)113.4872 ± 0.0516 mas
Distance28.74 ± 0.01 ly
(8.812 ± 0.004 pc)
Absolute magnitude (MV)6.0
Details
Mass0.78 ± 0.04 M
Radius0.79–0.85 R
Luminosity0.385 ± 0.007 L
Surface gravity (log g)4.38 ± 0.19 cgs
Temperature5069 ± 49 K
Metallicity [Fe/H]-0.01 ± 0.05 dex
Rotation47.7 ± 4.9 days
Rotational velocity (v sin i)<3 km/s
Age7.5–8.9 Gyr
Other designations
5 G. Capricorni, CD-27°14659, GCTP 4804.00, Gl 785, HD 192310, HIP 99825, HR 7722, LHS 488, LTT 8009, NSV 12933, SAO 189065
Database references
SIMBADdata
ARICNSdata
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