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G Scorpii

G Scorpii
Observation data
Epoch J2000      Equinox J2000
Constellation Scorpius
Right ascension 17h 49m 51.48081s
Declination −37° 02′ 35.8975″
Apparent magnitude (V) 3.21
Characteristics
Spectral type K2 III
U−B color index +1.19
B−V color index +1.17
Astrometry
Radial velocity (Rv) +24.7 km/s
Proper motion (μ) RA: 40.59 mas/yr
Dec.: 27.24 mas/yr
Parallax (π) 25.92 ± 0.15mas
Distance 125.8 ± 0.7 ly
(38.6 ± 0.2 pc)
Details
Mass 1.44 ± 0.21 M
Radius 16 R
Luminosity 95 ± 6 L
Temperature 4,538 K
Other designations
G Sco, CD–37 11907, FK5 669, HD 161892, HIP 87261, HR 6630, SAO 209318.
Database references
SIMBAD data

G Scorpii (G Sco) is a star in the constellation Scorpius. It is an orange K-type giant with an apparent magnitude of +3.19. It is approximately 126 light years from Earth. The measured angular diameter of the primary star is 3.94 ± 0.21 mas. At the estimated distance of this system, this yields a physical size of about 16 times the radius of the Sun.

Just 8.5 arcminutes to the east is the globular cluster NGC 6441.

It was formerly known as "Gamma Telescopii" (γ Tel) and "Fuyue" (傅說) in ancient China.



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Wikipedia

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