Kaus Borealis - λ Sagittarii (lambda Sagittarii)
Kaus Borealis, also designated as λ Sagittarii (lambda Sagittarii), is a giant star in the constellation of Sagittarius.
Kaus Borealis visual magnitude is 2.81. Thanks to its high brightness, Kaus Borealis 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 Borealis:
Celestial coordinates and finder chart of Kaus Borealis
Kaus Borealis 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 Borealis are provided in the following table:
The simplified sky map below shows the position of Kaus Borealis in the sky:
Visibility of Kaus Borealis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's Kaus Borealis - λ Sagittarii (lambda 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 Borealis
The image below is a photograph of Kaus Borealis 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 Borealis is -0.044 arcsec per year in Right Ascension and -0.185 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Kaus Borealis from the Sun and relative movement
Kaus Borealis is distant 77.25 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.
Spectral properties of Kaus Borealis
Kaus Borealis belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Kaus Borealis is situated in the Hertzsprung–Russell diagram.