Lynga catalogue


 Field                          Data

 Cluster number (IAU)          C1640-473
 Old Cluster                   NGC
 notation                      6200
 OCL number/Lund number        978   718
 Right ascension (1950.0)      16 40.5
 Declination (1950.0)          -47 23
 10 year prec. RA/Dec          .74 -1.0
 Galactic longitude            338.00
 Galactic latitude             -1.09
 Sky survey                    SERC
 Chart type and number         J  277
 Centre of chart (RA,Dec)      16 48 -45
 Pos. on chart x,y mm          246    47
 Tr. cl. (ref. 19/320=a/b)     II 2 m  :b
 Membership (320)              40
 Angular diameter (320)        14
 Selected angular diameter     12 (  50)
 Distance, weight              2054
 Distance, reference           2400 (  64)
 E(B-V), v=var.                0.581
 Turn-off col.,weight (jdl)    -.30  w= 1
 Derived log(age)              6.928
 log(age), reference           6.00 ( 502)
 Fe/H (jdl)                    
 Radial velocity, weight       
 References                    177 /
 used by                       
 Janes, Duke                   
 and Lynga (jdl)               
 Number of member              
 stars with                    
 peculiar                      
 spectral                      
 types                         
 References for                
 peculiar                      
  stars                        
 Total V magnitude             7.4 ( 422)
 Integrated B-V (422)          .34
 Number of obs. stars (422)    15
 Richness class (265)          1
 Earliest sp. cl. (50,37)      
 Mag of brightest star (50)    
 Galactic R and z              6460  -42
 Linear diameter               8.4
 Comment