Polaris A and Polaris Ab
Polaris, Alpha Ursae Minoris, North Star
The distance to the star system is 430 light-years or 132 parsecs.
Polaris (star Aa) and star Ab are on average18.5 Astronomical Units from each other. Polaris (star Aa) and star B are on average 2,400 Astronomical Units from each other.
The Hubble image was created from HST data from proposal 10593: N.R. Evans (Harvard Smithsonian/CfA), H.E. Bond (STScI), G. Bono (INAF, Osservatorio Astronomico di Roma), M. Karovska (Harvard Smithsonian/CfA), E. Nelan (STScI), D.D. Sasselov (Harvard University), and G. Schaefer (STScI).
F220W (Near UV)