Ascella - ζ Sagittarii (zeta Sagittarii)
Ascella, also designated as ζ Sagittarii (zeta Sagittarii), is a multiple giant star of spectral class A2 in the constellation of Sagittarius.
Ascella visual magnitude is 2.6, making it the 98th brightest star in the sky. Because of its brightness, Ascella is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for Ascella - ζ Sagittarii (zeta Sagittarii).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where Ascella is situated in the Hertzsprung–Russell diagram.
Star System Properties
Ascella 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 Ascella double sysyem:
Distance, Radial Speed, Proper Motion
Ascella is distant 89.05 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's Ascella - ζ Sagittarii (zeta Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):