σ Columbae (sigma Columbae)
σ Columbae is a giant star in the constellation of Columba.
σ Columbae visual magnitude is 5.5. Because of its reltive faintness, σ Columbae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about σ Columbae:
Celestial coordinates and finder chart of σ Columbae
σ Columbae is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of σ Columbae are provided in the following table:
The simplified sky map below shows the position of σ Columbae in the sky:
Visibility of σ Columbae from your location
Today's σ Columbae (sigma Columbae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of σ Columbae
The image below is a photograph of σ Columbae 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 σ Columbae is -0.002 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of σ Columbae from the Sun and relative movement
σ Columbae is distant 1,461.88 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.
Spectral properties of σ Columbae
σ Columbae belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where σ Columbae is situated in the Hertzsprung–Russell diagram.