η Columbae (eta Columbae)

Above the horizon. Rise: 6:33 | Tran: 11:56 | Set: 17:20

Alt: 33.44° Az: 158.96° Direction: South-South-East

η Columbae is a hypergiant star of spectral class K0 in the constellation of Columba.

η Columbae visual magnitude is 3.96. Because of its moderate brightness, η Columbae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

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);

Celestial Coordinates

Apparent

Right Ascension 05h 59m 55s

Declination -42° 48’ 53”

Hour Angle 22h 23m 34s

Sidereal Time 04h 23m 30s

J2000

Right Ascension 05h 59m 08s

Declination -42° 48’ 55”

Galactic Coordinates

Galactic Longitude 249.46°

Galactic Latitude -27.23°

Finder Chart

Loading map...

Finder chart for η Columbae (eta Columbae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.96

Class Hypergiant

Absolute magnitude -2.10

Spectral Type K0III

Color Index (B-V) 1.14

Temperature 4430K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 162.87

Distance (light year) 530.94

Radial Speed 17 km/s

Proper Motion RA 0.022 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Bayer designation η Columbae
(eta Columbae)

Henry Draper Catalogue HD40808

SAO Catalogue SAO217650

Hipparcos Catalogue HIP28328

Durchmusterung Catalogue CD-42 2266

FK5 Catalogue 229

Visibility from Your Location

Today's η Columbae (eta Columbae) rise, transit and set times from Mokwa, Nigeria are the following (all times relative to the local timezone Africa/Lagos):

Azimuth: 132.8° RISE 6:33

Max altitude: 37.9° TRANSIT 11:56

Azimuth: 227.2° SET 17:20

Name:	Mokwa, Nigeria
Latitude:	9° 17' 41.4" N
Longitude:	5° 3' 14.8" E
Timezone:	Africa/Lagos

Set Location

Other stars in Columba