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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:25 
Transit: 12:57 
Sunset: 19:28
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All Constellations » Hercules » 

72 Herculis

Above the horizon.  Rise: 9:39 | Tran: 19:08 | Set: 4:41
Alt: 52.56°   Az: 102.93°   Direction: East-South-East

72 Herculis is a variable and multiple hypergiant star of spectral class G0 in the constellation of Hercules.

72 Herculis visual magnitude is 5.39. Because of its faintness, 72 Herculis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 72 Herculis star
DSS2 image of 72 Herculis. The red arrow shows the motion of 72 Herculis during the next 100 years (0.23 arcmin in Right Ascension and -1.74 arcmin in declination);

Celestial Coordinates

Apparent

17h 21m 34s
+32° 26’ 40”
21h 01m 35s
14h 23m 10s

J2000

17h 20m 39s
+32° 28’ 04”

Galactic Coordinates

55.88°
32.31°

Finder Chart

Finder chart 72 Herculis star
Simplified finder chart for 72 Herculis.

Magnitude, Color, Spectral Class

5.39
Hypergiant

4.60
G0V
5890K

The red dot in the diagram below shows where 72 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 72 Herculis. Attribution: Richard Powell / CC BY-SA

Star System Properties

72 Herculis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 72 Herculis double sysyem:

5.39
10.49
5.1
230 arcsec

Distance, Radial Speed, Proper Motion

72 Herculis is distant 46.92 light years from the Sun and it is moving towards the Sun at the speed of 78 kilometers per second.

14.39
46.92
-78 km/s
0.137 arcsec/y
-1.041"/y

Alternative Designations

72 Herculis
SAO65963
SAO65963

Visibility from Your Location

Today's 72 Herculis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.6°
Max altitude: 71.0°
Azimuth: 302.4°