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: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:02 south
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All Constellations » Pyxis » 

α Pyxidis (alpha Pyxidis)

α Pyxidis is a variable giant star in the constellation of Pyxis.

α Pyxidis visual magnitude is 3.68. Because of its moderate brightness, α Pyxidis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about α Pyxidis:

α Pyxidis (alpha Pyxidis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of α Pyxidis

α Pyxidis 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 α Pyxidis are provided in the following table:

08h 43m 35s
-33° 11’ 11”

The simplified sky map below shows the position of α Pyxidis in the sky:

Finder chart α Pyxidis (alpha Pyxidis) star
Simplified finder chart for α Pyxidis (alpha Pyxidis).

Visibility of α Pyxidis 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 α Pyxidis (alpha Pyxidis) 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: 123.2°
Max altitude: 5.3°
Azimuth: 236.8°
α Pyxidis (alpha Pyxidis) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of α Pyxidis

The image below is a photograph of α Pyxidis 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 α Pyxidis is -0.011 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of α Pyxidis (alpha Pyxidis) star
DSS2 image of α Pyxidis. The red arrow shows the motion of α Pyxidis during the next 10000 years (-1.83 arcmin in Right Ascension and 1.83 arcmin in declination);

Distance of α Pyxidis from the Sun and relative movement

α Pyxidis is distant 844.56 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

259.07 pc
844.56 ly
15 km/s
-0.011 arcsec/year
0.011 arcsec/year

Spectral properties of α Pyxidis

α Pyxidis belongs to spectral class B1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where α Pyxidis is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of α Pyxidis

α Pyxidis
(alpha Pyxidis)