Lynga catalogue

 Field                          Data

 Cluster number (IAU)          C0839-461
 Old Cluster                   Pismis
 notation                      8
 OCL number/Lund number        755   473
 Right ascension (1950.0)      8 39.8
 Declination (1950.0)          -46 06
 10 year prec. RA/Dec          .33 -2.1
 Galactic longitude            265.08
 Galactic latitude             -2.63
 Sky survey                    SERC
 Chart type and number         J  260
 Centre of chart (RA,Dec)      8 52 -45
 Pos. on chart x,y mm          285   111
 Tr. cl. (ref. 19/320=a/b)     II 2 p  :b
 Membership (320)              25
 Angular diameter (320)        3.0
 Selected angular diameter     2.0 ( 382)
 Distance, weight              1312
 Distance, reference           1400 (  64)
 E(B-V), v=var.                0.706
 Turn-off col.,weight (jdl)    -.20  w= 3
 Derived log(age)              7.427
 log(age), reference           7.50 ( 174)
 Fe/H (jdl)                    
 Radial velocity, weight       
 References                    174 / 501
 used by                       
 Janes, Duke                   
 and Lynga (jdl)               
 Number of member              
 stars with                    
 peculiar                      
 spectral                      
 types                         
 References for                
 peculiar                      
  stars                        
 Total V magnitude             9.5 ( 422)
 Integrated B-V (422)          .60
 Number of obs. stars (422)    25
 Richness class (265)          1
 Earliest sp. cl. (50,37)      
 Mag of brightest star (50)    10.0
 Galactic R and z              8740  -66
 Linear diameter               .8
 Comment                       D