Cujam - ω Herculis (omega Herculis)
Cujam, also designated as ω Herculis (omega Herculis), is a variable and multiple star in the constellation of Hercules.
Cujam visual magnitude is 4.57. Because of its moderate brightness, Cujam should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about Cujam:
Celestial coordinates and finder chart of Cujam
Cujam is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Cujam are provided in the following table:
The simplified sky map below shows the position of Cujam in the sky:
Visibility of Cujam from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's Cujam - ω Herculis (omega Herculis) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Cujam
The image below is a photograph of Cujam from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Cujam is 0.044 arcsec per year in Right Ascension and -0.059 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Cujam from the Sun and relative movement
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.
Spectral properties of Cujam
Cujam belongs to spectral class B9 Cujam is also a Cr chemically peculiar star.
The red dot in the diagram below shows where Cujam is situated in the Hertzsprung–Russell diagram.
Cujam 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: