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: 4:46  
clear_day Transit: 12:57  
SunsetSet: 21:08 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Puppis » 

9 Puppis

Altitude: -41.7°   Azimuth: 307.0°   Direction: North-West

9 Puppis is a double hypergiant star in the constellation of Puppis.

9 Puppis visual magnitude is 5.17. Because of its reltive faintness, 9 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 9 Puppis:

5.17
Hypergiant

9 Puppis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -41.7°
Azimuth: 307.0°
Direction: North-West

Celestial coordinates and finder chart of 9 Puppis

9 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 9 Puppis are provided in the following table:

07h 51m 46s
-13° 53’ 53”
232.27°
6.62°
Puppis

The simplified sky map below shows the position of 9 Puppis in the sky:

Finder chart 9 Puppis star
Simplified finder chart for 9 Puppis.

Visibility of 9 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 9 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: 103.9°
Max altitude: 24.6°
Azimuth: 256.1°
9 Puppis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 9 Puppis

The image below is a photograph of 9 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 9 Puppis is -0.062 arcsec per year in Right Ascension and -0.34 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 9 Puppis star
DSS2 image of 9 Puppis. The red arrow shows the motion of 9 Puppis during the next 1000 years (-1.03 arcmin in Right Ascension and -5.67 arcmin in declination);

Distance of 9 Puppis from the Sun and relative movement

9 Puppis is distant 54.35 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

16.67 pc
54.35 ly
-18 km/s
-0.062 arcsec/year
-0.34 arcsec/year

Spectral properties of 9 Puppis

9 Puppis belongs to spectral class G0 and has a luminosity class of V corresponding to a hypergiant star.

4.06
G0V
5968K

The red dot in the diagram below shows where 9 Puppis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 9 Puppis. Attribution: Richard Powell / CC BY-SA

9 Puppis star system properties

9 Puppis 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 9 Puppis double sysyem:

5.17
5.87
0.7
0.4 arcsec

Alternative designations of 9 Puppis

SAO153500
SAO153500
Gl 291 A