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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:27 
Transit: 12:57 
Sunset: 19:26
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All Constellations » Hercules » 

Kornephoros - β Herculis (beta Herculis)

Above the horizon.  Rise: 10:18 | Tran: 18:14 | Set: 2:13
Alt: 27.08°   Az: 270.96°   Direction: West

Kornephoros, also designated as β Herculis (beta Herculis), is a variable and double giant star of spectral class G7 in the constellation of Hercules.

Kornephoros visual magnitude is 2.77. Because of its brightness, Kornephoros is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Kornephoros - β Herculis (beta Herculis) star
DSS2 image of Kornephoros. The red arrow shows the motion of Kornephoros during the next 1000 years (-1.63 arcmin in Right Ascension and -0.25 arcmin in declination);

Celestial Coordinates

Apparent

16h 31m 17s
+21° 26’ 15”
04h 52m 05s
21h 23m 22s

J2000

16h 30m 13s
+21° 29’ 22”

Galactic Coordinates

39.01°
40.21°

Finder Chart

Finder chart Kornephoros - β Herculis (beta Herculis) star
Simplified finder chart for Kornephoros - β Herculis (beta Herculis).

Magnitude, Color, Spectral Class

2.77
Giant

-0.51
G7III
4892K

The red dot in the diagram below shows where Kornephoros is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Kornephoros. Attribution: Richard Powell / CC BY-SA

Star System Properties

Kornephoros is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Kornephoros double sysyem:

2.77
10.07
7.3
256.2 arcsec

Distance, Radial Speed, Proper Motion

Kornephoros is distant 147.71 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

45.31
147.71
-26 km/s
-0.098 arcsec/y
-0.015"/y

Alternative Designations

Kornephoros
β Herculis
(beta Herculis)
27 Herculis
SAO84411
SAO84411

Visibility from Your Location

Today's Kornephoros - β Herculis (beta Herculis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.6°
Max altitude: 60.0°
Azimuth: 291.4°