11 Sagittarii is a double hypergiant star in the constellation of Sagittarius.
11 Sagittarii visual magnitude is 4.98. Because of its moderate brightness, 11 Sagittarii 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 11 Sagittarii:
Celestial coordinates and finder chart of 11 Sagittarii
11 Sagittarii 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 11 Sagittarii are provided in the following table:
The simplified sky map below shows the position of 11 Sagittarii in the sky:
Visibility of 11 Sagittarii from your location
Digitized Sky Survey image of 11 Sagittarii
The image below is a photograph of 11 Sagittarii 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 11 Sagittarii is 0.017 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 11 Sagittarii from the Sun and relative movement
11 Sagittarii is distant 244.19 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.
Spectral properties of 11 Sagittarii
11 Sagittarii 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 11 Sagittarii is situated in the Hertzsprung–Russell diagram.
11 Sagittarii star system properties
11 Sagittarii is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 11 Sagittarii double sysyem: