Kaus Australis - ε Sagittarii (epsilon Sagittarii)
Kaus Australis, also designated as ε Sagittarii (epsilon Sagittarii), is a double giant star in the constellation of Sagittarius.
Kaus Australis visual magnitude is 1.85, making it the 36th brightest star in the sky. Thanks to its high brightness, Kaus Australis is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Kaus Australis:
Celestial coordinates and finder chart of Kaus Australis
Kaus Australis 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 Kaus Australis are provided in the following table:
The simplified sky map below shows the position of Kaus Australis in the sky:
Visibility of Kaus Australis from your location
Today's Kaus Australis - ε Sagittarii (epsilon Sagittarii) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Kaus Australis
The image below is a photograph of Kaus 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 Kaus Australis is -0.038 arcsec per year in Right Ascension and -0.124 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Kaus Australis from the Sun and relative movement
Kaus Australis is distant 144.57 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.
Spectral properties of Kaus Australis
Kaus Australis belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Kaus Australis is situated in the Hertzsprung–Russell diagram.
Kaus Australis star system properties
Kaus 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 Kaus Australis double sysyem: