Arkab Prior - β1 Sagittarii (beta1 Sagittarii)
Arkab Prior, also designated as β1 Sagittarii (beta1 Sagittarii), is a double main-sequence star of spectral class B9 in the constellation of Sagittarius.
Arkab Prior visual magnitude is 4.01. Because of its moderate brightness, Arkab Prior is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where Arkab Prior is situated in the Hertzsprung–Russell diagram.
Star System Properties
Arkab Prior is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the Arkab Prior double sysyem:
Distance, Radial Speed, Proper Motion
Arkab Prior is distant 378.19 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's Arkab Prior - β1 Sagittarii (beta1 Sagittarii) rise, transit and set times from Saranac Lake, United States are the following (all times relative to the local timezone America/New_York):