 
  
  
   
  768 known pulsars
   768 known pulsars 
 
  Total population may be
   Total population may be  
 
  Disk like population but higher z dispersion
   Disk like population but higher z dispersion 
 
  Mostly found in one quadrant of the Galaxy due to selection effects
   Mostly found in one quadrant of the Galaxy due to selection effects

    
 
Figure 8: The Southern hemisphere pulsars, sampled to a uniform sensitivity. From
Lyne et al 1990 [22]. Circles represent binary millisecond
pulsars