Gamma Sextantis
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Observation data Epoch J2000.0 |
|
---|---|
Constellation (pronunciation) |
Sextans |
Right ascension | 09h 52m 30.4s |
Declination | −8° 06' 18" |
Apparent magnitude (V) | +5.07 |
Distance | 262 ± 22 ly (80 ± 7 pc) |
Spectral type | A1V |
Other designations | |
Gamma Sextantis (γ Sex / γ Sextantis) is a triple star system in the constellation Sextans. It is approximately 262 light years from Earth. The combined apparent magnitude of the system is +5.07.
The system is composed of a close binary star, Gamma Sextantis A and B, which is given the stellar classification A1. The two component stars are approximately 0.38 arcseconds apart, or approximately 30 Astronomical Units, and have apparent magnitudes of +5.8 and +6.2. They complete one orbit every 77.6 years. Orbiting the binary star, at a distance of 36 arcseconds, roughly a hundred times farther out, is Gamma Sextantis C, a 12th magnitude companion.