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🌎 Location: Greenwich, United Kingdom [change]

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:

3.96
Hypergiant
η Columbae (eta Columbae) is below the horizon from Greenwich, United Kingdom [change].

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:

05h 59m 08s
-42° 48’ 55”
249.46°
-27.23°
Columba

The simplified sky map below shows the position of η Columbae in the sky:

Finder chart η Columbae (eta Columbae) star
Simplified finder chart for η Columbae (eta Columbae).

Visibility of η Columbae from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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.

Image of η Columbae (eta Columbae) star
DSS2 image of η Columbae. The red arrow shows the motion of η Columbae during the next 10000 years (3.67 arcmin in Right Ascension and -2.33 arcmin in declination);

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.

162.87 pc
530.94 ly
17 km/s
0.022 arcsec/year
-0.014 arcsec/year

Spectral properties of η Columbae

η Columbae belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

-2.10
K0III
4430K

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

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

Alternative designations of η Columbae

η Columbae
(eta Columbae)
SAO217650
SAO217650