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Gliese 623

Coordinates: Sky map 16h 24m 09.32495s, +48° 21′ 10.4611″
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Gliese 623
Observation data
Epoch J2000      Equinox J2000
Constellation Hercules
Right ascension 16h 24m 09.32495s
Declination +48° 21′ 10.4611″
Characteristics
Spectral type M3.0V / M D ~
Astrometry
Proper motion (μ) RA: 1146.26 mas/yr
Dec.: -451.86 mas/yr
Parallax (π)124.12 ± 1.16 mas[1]
Distance26.3 ± 0.2 ly
(8.06 ± 0.08 pc)
Database references
SIMBADdata

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 623b is right of center

See also

References

  • 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.
  1. ^ van Leeuwen, F. 2007


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