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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations » Columba » 

π2 Columbae (pi2 Columbae)

Altitude: -72.5°   Azimuth: 66.3°   Direction: East-North-East

π2 Columbae is a double hypergiant star in the constellation of Columba.

π2 Columbae visual magnitude is 5.5. Because of its reltive faintness, π2 Columbae should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of π2 Columbae is 0.001 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 π2 Columbae (pi2 Columbae) star
DSS2 image of π2 Columbae. The red arrow shows the motion of π2 Columbae during the next 10000 years (0.17 arcmin in Right Ascension and -2.33 arcmin in declination);

Key facts about π2 Columbae

5.5
Hypergiant

π2 Columbae (pi2 Columbae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -72.5°
Azimuth: 66.3°
Direction: East-North-East

Celestial coordinates and finder chart of π2 Columbae

π2 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 π2 Columbae are provided in the following table:

06h 07m 52s
-42° 09’ 14”
249.16°
-25.51°
Columba

The simplified sky map below shows the position of π2 Columbae in the sky:

Finder chart π2 Columbae (pi2 Columbae) star
Simplified finder chart for π2 Columbae (pi2 Columbae).

Visibility of π2 Columbae from your location

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

π2 Columbae (pi2 Columbae) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of π2 Columbae from the Sun and relative movement

π2 Columbae is distant 261.22 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

80.13 pc
261.22 ly
31 km/s
0.001 arcsec/year
-0.014 arcsec/year

Spectral properties of π2 Columbae

π2 Columbae belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.98
A0V
10125K

The red dot in the diagram below shows where π2 Columbae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of π2 Columbae. Attribution: Richard Powell / CC BY-SA

π2 Columbae star system properties

π2 Columbae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the π2 Columbae double sysyem:

5.5
5.6
0.1
0.1 arcsec

Alternative designations of π2 Columbae

π2 Columbae
(pi2 Columbae)
SAO217730
SAO217730