Connects your Web browser to the hub...

• Register the client and starts the connection to the Samp hub
•  → Unregister the client and terminates the connection to the Samp hub
• Is the client connected to a running Samp hub?

You are now able to broadcast data from the Web page to the running VO softwares...

• Broadcast a VOTable (Barbara FOV targets)
• Broadcast a FITS image (Barbara FOV image)
• Broadcast a (SSA) Spectrum (HESS spectrum)

You are also able to handle events from the Web page to the running VO softwares...

• Point a given celestial coordinate (RA=7h; DEC=+6d)
• Highlight a row of a table (row #6 of the previous VOTable)
• Highlight a set of selected rows (rows #0..#4 of the previous VOTable)
• Send a script to Aladin (get Aladin(DSS2); get VizieR(USNO2))

And your Web page can handle events coming from the VO softwares...

Click anywhere in a FITS image in Aladin Select a target in a table of Aladin of Topcat Select a set of targets in a table of Aladin of Topcat