Gliese 623

Gliese 623 is a dim double star 26.3 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.

Gliese 623

Gliese 623, imaged by Hubble. The fainter companion is to the right.
Observation data
Epoch J2000      Equinox J2000
Constellation Hercules
Right ascension 16h 24m 09.325s[1]
Declination +48° 21′ 10.46″[1]
Characteristics
Spectral type M3.0V / M D ~
Astrometry
Proper motion (μ) RA: 1146.26±1.21[1] mas/yr
Dec.: −451.86±1.11[1] mas/yr
Parallax (π)124.12 ± 1.16[1] mas
Distance26.3 ± 0.2 ly
(8.06 ± 0.08 pc)
Other designations
GJ 623, HIP 80346, G 202-45, LHS 417
Database references
SIMBADdata

See also

References

Further reading
  • Barbieri, C.; De Marchi, G.; Nota, A.; Corrain, G.; Hack, W.; Ragazzoni, R.; MacChetto, D. (November 1996). "First HST/FOC images of the low mass companion of the astrometric binary Gliese 623". Astronomy and Astrophysics. 315 (1): 418–420. Bibcode:1996A&A...315..418B.
  • Martinache; Lloyd, James P.; Ireland, Michael J.; Yamada, Ryan S.; Tuthill, Peter G. (2007). "Precision Masses of the Low-Mass Binary System GJ 623". The Astrophysical Journal. 661 (1): 496–501. arXiv:astro-ph/0612138. Bibcode:2007ApJ...661..496M. doi:10.1086/513868. S2CID 14648386.


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