Cluster Selection of WEBDA contents

This form offers the possibility of selecting clusters on the basis of the quantity of data available in the database.

It helps anwering questions like:
"For which clusters do we have observations in the UBV photometric system for more than 300 stars?"


A) The kind of comparison:
more than stars

less than stars

between and stars
B) The kind of data:


Press or


Select one of the three comparison items and enter the relevant limit(s).
Select the type of data you are interested in.

Last update: 27 October 2005