Asellus Australis - δ Cancri (delta Cancri)
Asellus Australis, also designated as δ Cancri (delta Cancri), is a double hypergiant star in the constellation of Cancer.
Asellus Australis visual magnitude is 3.94. Because of its moderate brightness, Asellus Australis 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 Asellus Australis:
Celestial coordinates and finder chart of Asellus Australis
Asellus Australis 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 Asellus Australis are provided in the following table:
The simplified sky map below shows the position of Asellus Australis in the sky:
Visibility of Asellus Australis from your location
Digitized Sky Survey image of Asellus Australis
The image below is a photograph of Asellus Australis 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 Asellus Australis is -0.018 arcsec per year in Right Ascension and -0.228 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Asellus Australis from the Sun and relative movement
Asellus Australis is distant 136.00 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.
Spectral properties of Asellus Australis
Asellus Australis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where Asellus Australis is situated in the Hertzsprung–Russell diagram.
Asellus Australis star system properties
Asellus Australis 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 Asellus Australis double sysyem: