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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: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Puppis » 

1 Puppis

Altitude: -54.9°   Azimuth: 297.3°   Direction: West-North-West

1 Puppis is a variable and double supergiant star in the constellation of Puppis.

1 Puppis visual magnitude is 4.59. Because of its moderate brightness, 1 Puppis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of 1 Puppis is -0.014 arcsec per year in Right Ascension and 0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 1 Puppis star
DSS2 image of 1 Puppis. The red arrow shows the motion of 1 Puppis during the next 10000 years (-2.33 arcmin in Right Ascension and 4.17 arcmin in declination);

Key facts about 1 Puppis

4.59
Supergiant

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

Altitude: -54.9°
Azimuth: 297.3°
Direction: West-North-West

Celestial coordinates and finder chart of 1 Puppis

1 Puppis 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 1 Puppis are provided in the following table:

07h 43m 32s
-28° 24’ 39”
243.88°
-2.32°
Puppis

The simplified sky map below shows the position of 1 Puppis in the sky:

Finder chart 1 Puppis star
Simplified finder chart for 1 Puppis.

Visibility of 1 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 1 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: 118.4°
Max altitude: 10.1°
Azimuth: 241.6°

Distance of 1 Puppis from the Sun and relative movement

1 Puppis is distant 976.05 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

299.40 pc
976.05 ly
33 km/s
-0.014 arcsec/year
0.025 arcsec/year

Spectral properties of 1 Puppis

1 Puppis belongs to spectral class K3 and has a luminosity class of I corresponding to a supergiant star.

-2.79
K3I
3608K

The red dot in the diagram below shows where 1 Puppis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 1 Puppis. Attribution: Richard Powell / CC BY-SA

1 Puppis star system properties

1 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 1 Puppis double sysyem:

4.59
13.49
8.9
26.2 arcsec

Alternative designations of 1 Puppis

SAO174391
SAO174391