η Columbae (eta Columbae)
η Columbae is a hypergiant star in the constellation of Columba.
η Columbae visual magnitude is 3.96. Because of its moderate brightness, η Columbae 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 η Columbae:
Celestial coordinates and finder chart of η Columbae
η Columbae is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of η Columbae are provided in the following table:
The simplified sky map below shows the position of η Columbae in the sky:
Visibility of η Columbae from your location
η Columbae (eta Columbae) is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of η Columbae
The image below is a photograph of η 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 η Columbae is 0.022 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of η Columbae from the Sun and relative movement
η Columbae is distant 530.94 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.
Spectral properties of η Columbae
η Columbae belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where η Columbae is situated in the Hertzsprung–Russell diagram.