16 Sagittarii is a double bright giant star in the constellation of Sagittarius.
16 Sagittarii visual magnitude is 5.95. Because of its reltive faintness, 16 Sagittarii should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about 16 Sagittarii:
Celestial coordinates and finder chart of 16 Sagittarii
16 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 16 Sagittarii are provided in the following table:
The simplified sky map below shows the position of 16 Sagittarii in the sky:
Visibility of 16 Sagittarii from your location
Digitized Sky Survey image of 16 Sagittarii
The image below is a photograph of 16 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 16 Sagittarii is -0.002 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of 16 Sagittarii from the Sun and relative movement
16 Sagittarii is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.
Spectral properties of 16 Sagittarii
16 Sagittarii belongs to spectral class O9 and has a luminosity class of II corresponding to a bright giant star.
The red dot in the diagram below shows where 16 Sagittarii is situated in the Hertzsprung–Russell diagram.
16 Sagittarii star system properties
16 Sagittarii 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 16 Sagittarii double sysyem: