Gliese 623
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Hercules |
| Right ascension | 16h 24m 09.314s |
| Declination | +48° 21′ 11.11″ |
| Characteristics | |
| Spectral type | M3.0V |
| Astrometry | |
| Radial velocity (Rv) | −28.06±0.59 km/s |
| Proper motion (μ) | RA: 1,151.232 mas/yr Dec.: −499.079 mas/yr |
| Parallax (π) | 127.4785±0.4818 mas |
| Distance | 25.59 ± 0.10 ly (7.84 ± 0.03 pc) |
| Orbit | |
| Period (P) | 1365.6±0.3 d |
| Semi-major axis (a) | 1.894±0.019 AU |
| Eccentricity (e) | 0.631±0.002 |
| Inclination (i) | 154.0±0.1° |
| Longitude of the node (Ω) | 98.5±0.47° |
| Periastron epoch (T) | 1313.3±0.6 reduced JD |
| Argument of periastron (ω) (secondary) | 248.68±0.46° |
| Details | |
| Primary (A) | |
| Mass | 0.371±0.015 M☉ |
| Secondary (B) | |
| Mass | 0.115±0.0023 M☉ |
| Other designations | |
| GJ 623, HIP 80346, G 202-45, LHS 417 | |
| Database references | |
| SIMBAD | data |
Location of Gliese 623 in the constellation Hercules | |
Gliese 623 is a dim binary star 25.6 light-years from Earth in the constellation Hercules. It was photographed by the NASA/ESA Hubble Space Telescope's Faint Object Camera in 1994. The binary system consists of two red dwarfs orbiting each other at a distance of 1.9 astronomical units.