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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
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All Constellations » Antlia » 

α Antliae (alpha Antliae)

Altitude: 7.0°   Azimuth: 188.1°   Direction: South

α Antliae is a variable giant star in the constellation of Antlia.

α Antliae visual magnitude is 4.25. Because of its moderate brightness, α Antliae 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 proper motion of α Antliae is -0.075 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 Antliae (alpha Antliae) star
DSS2 image of α Antliae. The red arrow shows the motion of α Antliae during the next 10000 years (-12.50 arcmin in Right Ascension and 1.83 arcmin in declination);

Key facts about α Antliae


α Antliae (alpha Antliae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.0°
Azimuth: 188.1°
Direction: South

Celestial coordinates and finder chart of α Antliae

α Antliae 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 Antliae are provided in the following table:

10h 27m 09s
-31° 04’ 04”

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

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

Visibility of α Antliae 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 Antliae (alpha Antliae) 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: 121.1°
Max altitude: 7.5°
Azimuth: 238.9°

Distance of α Antliae from the Sun and relative movement

α Antliae is distant 366.29 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

112.36 pc
366.29 ly
12 km/s
-0.075 arcsec/year
0.011 arcsec/year

Spectral properties of α Antliae

α Antliae belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


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

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

Alternative designations of α Antliae

α Antliae
(alpha Antliae)