σ Columbae (sigma Columbae)

Below the horizon. Rise: 4:51 | Tran: 7:30 | Set: 10:09

Alt: -5.28° Az: 223.64° Direction: South-West

σ Columbae is a giant star of spectral class F2 in the constellation of Columba.

σ Columbae visual magnitude is 5.5. Because of its faintness, σ Columbae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of σ Columbae (sigma Columbae) star

DSS2 image of σ Columbae. The red arrow shows the motion of σ Columbae during the next 100000 years (-3.33 arcmin in Right Ascension and 10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 57m 16s

Declination -31° 22’ 50”

Hour Angle 03h 34m 26s

Sideral Time 09h 31m 43s

J2000

Right Ascension 05h 56m 20s

Declination -31° 22’ 57”

Galactic Coordinates

Galactic Longitude 237.03°

Galactic Latitude -24.73°

Finder Chart

Simplified finder chart for σ Columbae (sigma Columbae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.5

Class Giant

Absolute magnitude -2.76

Spectral Type F2III

Color Index (B-V)

Temperature 10125K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 448.43

Distance (light year) 1,461.88

Radial Speed 19 km/s

Proper Motion RA -0.002 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Bayer designation σ Columbae
(sigma Columbae)

Henry Draper Catalogue HD40248

SAO Catalogue SAO196330

Hipparcos Catalogue HIP28098

Durchmusterung Catalogue CD-31 2848

FK5 Catalogue 2454

Visibility from Your Location

Today's σ Columbae (sigma Columbae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.4° RISE 4:51

Max altitude: 7.1° TRANSIT 7:30

Azimuth: 238.6° SET 10:09

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Columba