Lynga catalogue

 Field                          Data

 Cluster number (IAU)          C0555+078
 Old Cluster                   Berkeley
 notation                      22
 OCL number/Lund number        490   201
 Right ascension (1950.0)      5 55.7
 Declination (1950.0)          + 7 50
 10 year prec. RA/Dec          .54   .0
 Galactic longitude            199.80
 Galactic latitude             -8.05
 Sky survey                    POSS
 Chart type and number         O  229
 Centre of chart (RA,Dec)      6      6
 Pos. on chart x,y mm          295   272
 Tr. cl. (ref. 19/320=a/b)     I 2 p  :b
 Membership (320)              20
 Angular diameter (320)        1.5
 Selected angular diameter     2.0 ( 419)
 Distance, weight              7663
 Distance, reference           
 E(B-V), v=var.                0.700
 Turn-off col.,weight (jdl)    
 Derived log(age)              9.027
 log(age), reference           
 Fe/H (jdl)                    -0.30
 Radial velocity, weight       
 References                    
 used by                       
 Janes, Duke                   
 and Lynga (jdl)               
 Number of member              
 stars with                    
 peculiar                      
 spectral                      
 types                         
 References for                
 peculiar                      
  stars                        
 Total V magnitude             
 Integrated B-V (422)          
 Number of obs. stars (422)    
 Richness class (265)          
 Earliest sp. cl. (50,37)      
 Mag of brightest star (50)    15.0
 Galactic R and z              
 Linear diameter               
 Comment