1. Virtual Catalog in Virtual Observatory Dmitry Kokovin Geophysical Center and Space Research Institute RAS

2. Empty v-catalog view VO admin can edit the view, build a directory tree, name the direcotries and add their descriptions, add metadata objects to the directories (links to the objects from different VO sections)

3. V-catalog action list System tasks V-directory IDs are generated internally Users can Move a directory up or down (one step) inside parent directory Add subdirectory Remove current directory (including its subdirectories) Add directory description Add an object to the directory (it will be a link to existing object inside one of VO sections) Select and edit a list of linked objects for any directory node Remove object (link) from the directory

4. V-catalog editor

5. V-catalog view

6. To test v-catalog http://dimetra.wdcb.ru:8080/virbo/virtualcata logue.do http://dimetra.wdcb.ru:8080/virbo/virtualcata logue.do http://dimetra.wdcb.ru:8080/spidrObservator y2/virtualcatalogue.do http://dimetra.wdcb.ru:8080/spidrObservator y2/virtualcatalogue.do Logins and passwords are the same :)