Conventions

Here we list some conventions which are used in this document.

       
  Nside  HEALPix resolution parameter -- see the HEALPix Primer.  
       
       
  $ \theta$  The polar angle or colatitude on the sphere, ranging from 0 at the North Pole to $ \pi$ at the South Pole.  
       
  $ \phi$  The azimuthal angle on the sphere, $ \phi$ $ \in$ [0, 2$ \pi$[.  
       

Eric Hivon 2003-02-07