Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Puppis » 

22 Puppis

22 Puppis is a variable giant star in the constellation of Puppis.

22 Puppis visual magnitude is 6.11. Because of its reltive faintness, 22 Puppis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 22 Puppis:

6.11
Giant
22 Puppis is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 4°.

Celestial coordinates and finder chart of 22 Puppis

22 Puppis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 22 Puppis are provided in the following table:

08h 22m 46s
-13° 03’ 16”
235.52°
13.5°
Puppis

The simplified sky map below shows the position of 22 Puppis in the sky:

Finder chart 22 Puppis star
Simplified finder chart for 22 Puppis.

Visibility of 22 Puppis from your location

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

Today's 22 Puppis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.1°
Max altitude: 25.5°
Azimuth: 256.9°
22 Puppis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 22 Puppis

The image below is a photograph of 22 Puppis 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 22 Puppis is -0.051 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 22 Puppis star
DSS2 image of 22 Puppis. The red arrow shows the motion of 22 Puppis during the next 10000 years (-8.50 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of 22 Puppis from the Sun and relative movement

22 Puppis is distant 411.10 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

126.10 pc
411.10 ly
-17 km/s
-0.051 arcsec/year
-0.043 arcsec/year

Spectral properties of 22 Puppis

22 Puppis belongs to spectral class G7

0.61
G7
4743K

The red dot in the diagram below shows where 22 Puppis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 22 Puppis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 22 Puppis

SAO154177
SAO154177