Hubble image archive

Polaris A and Polaris Ab

CreditsNASA, ESA, N. Evans (Harvard-Smithsonian CfA), and H. Bond (STScI)

Date
Jan 1, 2006
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2006-02-1847-image
By

Credits

NASA, ESA, N. Evans (Harvard-Smithsonian CfA), and H. Bond (STScI)

Image Details

About The Object
Object NamePolaris, Alpha Ursae Minoris, North Star
Object DescriptionTriple Star System
R.A. Position02h 31m 49s.08
Dec. Position+89° 15' 50".8
ConstellationUrsa Minor
DistanceThe distance to the star system is 430 light-years or 132 parsecs.
DimensionsPolaris (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.
About The Data
Data DescriptionThe Hubble image was created from HST data from proposal : 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).
InstrumentHST>ACS/HRC
Exposure DatesAugust 2-3, 2005
FiltersF220W (Near UV)

Share

Source

Image and source material are credited to the official mission archive linked below.

View on NASA.gov

Google Preferred Sources

See more from Space Telescope in Google

Choose Space Telescope as a preferred source to make our mission news, visual reporting, and independent explainers easier to find in Google Search.