Polaris Australis - σ Octantis (sigma Octantis)
Polaris Australis, also designated as σ Octantis (sigma Octantis), is a variable hypergiant star in the constellation of Octans.
Polaris Australis visual magnitude is 5.47. Because of its reltive faintness, Polaris Australis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of Polaris Australis is 0.023 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about Polaris Australis
Polaris Australis - σ Octantis (sigma Octantis) is below the horizon from Greenwich, United Kingdom.
Altitude: -51.7°
Azimuth: 181.7°
Direction: South
Celestial coordinates and finder chart of Polaris Australis
Polaris Australis is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Polaris Australis are provided in the following table:
The simplified sky map below shows the position of Polaris Australis in the sky:
Visibility of Polaris Australis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Polaris Australis - σ Octantis (sigma Octantis) is currently not visible from Greenwich, United Kingdom
Distance of Polaris Australis from the Sun and relative movement
Polaris Australis is distant 270.09 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.
Spectral properties of Polaris Australis
Polaris Australis belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where Polaris Australis is situated in the Hertzsprung–Russell diagram.
