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Proper Names	Kornephoros, Rutilicus, Antilicus
Bayer Designation	Beta Herculis
Flamsteed Number	27 Herculis
HR (BSC)	6148
HD	148856
Constellation	Hercules
Right Ascension	16h 30m 13s
Declination	+21° 29' 23"
Distance	139 light years 43 parsecs
Magnitude	Apparent: +2.8 Absolute: -0.4
Spectral Class	G7IIIaFe-0.5 yellow giant
Optimum Visibility	June
Notes	The primary star of this system is an evolved yellow giant with a diameter some seventeen times that of the Sun and a variable magnitude. This giant star has a binary companion, a dwarf star with a mass close to that of the Sun, detectable only by its gravitational effect on the giant primary.

Kornephoros is a variable yellow giant in the constellation of Hercules, near its border with Serpens. It is a binary system: the main giant has a much fainter companion in orbit around it.

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