Polaris A and Polaris B

The North Star is actually a triple star system. Here we can see two of the stars, Polaris A and Polaris B.

Credit:

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

About the Image

NASA press release
NASA caption
Id:opo0602c
Type:Observation
Release date:9 January 2006, 15:20
Size:1000 x 1000 px

About the Object

Name:Alpha Ursae Minoris, North Star, Polaris, Polaris A, Polaris B
Type:Milky Way : Star : Evolutionary Stage : Main Sequence
Milky Way : Star : Grouping : Triple
Distance:400 light years
Constellation:Ursa Minor
Category:Stars

Image Formats

Large JPEG
518.0 KB
Screensize JPEG
468.9 KB

Coordinates

Position (RA):2 31 22.05
Position (Dec):89° 15' 45.94"
Field of view:0.43 x 0.43 arcminutes
Orientation:North is 3.7° left of vertical

Colours & filters

BandWavelengthTelescope
Ultraviolet
Near-UV
220 nm Hubble Space Telescope
ACS

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