Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:12 
Transit: 12:56 
Sunset: 20:41
warning Set your observing location to get relevant data
Search  close
All Constellations » Hercules » 

39 Herculis

Above the horizon.  Rise: 17:39 | Tran: 2:18 | Set: 10:53
Alt: 60.17°   Az: 137.06°   Direction: South-East

39 Herculis is a giant star of spectral class F2 in the constellation of Hercules.

39 Herculis visual magnitude is 5.92. Because of its faintness, 39 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 39 Herculis star
DSS2 image of 39 Herculis. The red arrow shows the motion of 39 Herculis during the next 10000 years (0.33 arcmin in Right Ascension and -7.33 arcmin in declination);

Celestial Coordinates

Apparent

16h 42m 38s
+26° 52’ 11”
22h 30m 41s
15h 13m 20s

J2000

16h 41m 36s
+26° 55’ 00”

Galactic Coordinates

46.72°
39.22°

Finder Chart

loader
  Loading map...
Finder chart for 39 Herculis.

Magnitude, Color, Spectral Class

5.92
Giant

2.76
F2III
6880K

The red dot in the diagram below shows where 39 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 39 Herculis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

39 Herculis is distant 139.61 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

42.83
139.61
-12 km/s
0.002 arcsec/y
-0.044"/y

Alternative Designations

39 Herculis
SAO84543
SAO84543

Visibility from Your Location

Today's 39 Herculis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.1°
Max altitude: 65.4°
Azimuth: 296.9°