$ sudo apt-get update
$ sudo apt-get install kstars-data-extra-tycho2 

kstars-data-extra-tycho2 is installed in your system.

Make ensure the kstars-data-extra-tycho2 package were installed using the commands given below,

$ sudo dpkg-query -l | grep kstars-data-extra-tycho2 *

You will get with kstars-data-extra-tycho2 package name, version, architecture and description in a table

kstars-data-extra-tycho2 package basic information: