To make a plot

  1. Select one or two photometric systems,
  2. Select one or two parameters,
  3. Select one or two data sources,
  4. Click on "Plot".

HELP    |    Navigation    |    Cluster page


SystemParametersData sources (Number of stars)
 UBV  V    B-V    U-B     320 ( 13)  342 ( 27)  378 ( 12)
 UBV CCD  V    B-V    U-B     171 ( 835)
 UBV pg  V    B-V    U-B     138 ( 99)  201 ( 305)