ο Scorpii (omicron Scorpii)
ο Scorpii is a variable bright giant star in the constellation of Scorpius.
ο Scorpii visual magnitude is 4.55. Because of its moderate brightness, ο Scorpii 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 ο Scorpii:
Celestial coordinates and finder chart of ο Scorpii
ο Scorpii 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 ο Scorpii are provided in the following table:
The simplified sky map below shows the position of ο Scorpii in the sky:
Visibility of ο Scorpii from your location
Digitized Sky Survey image of ο Scorpii
The image below is a photograph of ο Scorpii 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 ο Scorpii is -0.003 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of ο Scorpii from the Sun and relative movement
ο Scorpii is distant 1,176.90 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.
Spectral properties of ο Scorpii
ο Scorpii belongs to spectral class A5 and has a luminosity class of II corresponding to a bright giant star.
The red dot in the diagram below shows where ο Scorpii is situated in the Hertzsprung–Russell diagram.