If we use the galactic coordinate system to locate objects within the Galaxy, we can identify the north galactic pole (NGP) as the point where the galactic latitude ( b ) = +90 degrees.
lies along a line that passes through the observer and is perpendicular to the galactic equator
. At the other end of this line is the south galactic pole
= -90 degrees.
The number density
decreases as we look from the galactic centre
towards the galactic
poles, as we are looking out of the disk of the Milky Way
is located in the constellation
Coma Berenices, with celestial coordinates
|RA = 12h 51m 26.00s||Dec = +27d 7m 42.0s|