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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
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Puppis » 

4 Puppis

Altitude: 21.5°   Azimuth: 201.5°   Direction: South-South-West

4 Puppis is a hypergiant star in the constellation of Puppis.

4 Puppis visual magnitude is 5.04. Because of its reltive faintness, 4 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 4 Puppis:


4 Puppis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.5°
Azimuth: 201.5°
Direction: South-South-West

Celestial coordinates and finder chart of 4 Puppis

4 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 4 Puppis are provided in the following table:

07h 45m 56s
-14° 33’ 50”

The simplified sky map below shows the position of 4 Puppis in the sky:

Finder chart 4 Puppis star
Simplified finder chart for 4 Puppis.

Visibility of 4 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 4 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: 104.6°
Max altitude: 24.0°
Azimuth: 255.4°

Digitized Sky Survey image of 4 Puppis

The image below is a photograph of 4 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 4 Puppis is -0.012 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 4 Puppis star
DSS2 image of 4 Puppis. The red arrow shows the motion of 4 Puppis during the next 10000 years (-2.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of 4 Puppis from the Sun and relative movement

4 Puppis is distant 236.23 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

72.46 pc
236.23 ly
-2 km/s
-0.012 arcsec/year
0.006 arcsec/year

Spectral properties of 4 Puppis

4 Puppis belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 4 Puppis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 4 Puppis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 4 Puppis