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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:27 
Transit: 12:14 
Sunset: 17:01
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All Constellations » Hercules » 

Cujam - ω Herculis (omega Herculis)

Below the horizon.  Rise: 0:01 | Tran: 7:11 | Set: 14:22
Alt: -14.18°   Az: 315.84°   Direction: North-West

Cujam, also designated as ω Herculis (omega Herculis), is a variable and multiple star of spectral class B9 in the constellation of Hercules.

Cujam visual magnitude is 4.57. Because of its moderate brightness, Cujam is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Cujam - ω Herculis (omega Herculis) star
DSS2 image of Cujam. The red arrow shows the motion of Cujam during the next 10000 years (7.33 arcmin in Right Ascension and -9.83 arcmin in declination);

Celestial Coordinates

Apparent

16h 26m 34s
+13° 58’ 39”
09h 03m 32s
01h 30m 07s

J2000

16h 25m 24s
+14° 01’ 59”

Galactic Coordinates

29.46°
38.63°

Finder Chart

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Finder chart for Cujam - ω Herculis (omega Herculis).

Magnitude, Color, Spectral Class

4.57
Cujam is also a Cr chemically peculiar star.

0.28
B9
10125K

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

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

Star System Properties

Cujam 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 Cujam double sysyem:

4.57
12.67
8.1
28.4 arcsec

Distance, Radial Speed, Proper Motion

Cujam is distant 235.04 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

72.10
235.04
-6 km/s
0.044 arcsec/y
-0.059"/y

Alternative Designations

Cujam
ω Herculis
(omega Herculis)
24 Herculis
SAO102153
SAO102153

Visibility from Your Location

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

Azimuth: 76.0°
Max altitude: 52.5°
Azimuth: 284.0°