 
  
  
   
  Distance estimates agree?
   Distance estimates agree? 
 
  Age estimates agree?
   Age estimates agree? 
 
  Implied velocity reasonable?
   Implied velocity reasonable? 
 
  Evidence for interaction?
   Evidence for interaction?
 
  Proper motion measured?
   Proper motion measured?
 
  Overall statistics?
   Overall statistics?

    
 
Figure 28: The swan SNR and PSR B1757-24. From Manchester et al 1991 [24]

    
 
Figure 29: Pulsar supernova remnant associations compiled by V. Kaspi