Java Tools
The Hipparcos Java Package is available from GitHub as a compiled Java file named jhip.jar. The tool requires Java 8 and can be run by double clicking the jhip.jar file. This opens the start-up panel in which three apps can be selected:
 

Click here for instructions about how to launch the apps from the prompt and for information about extracting a hipparcos.properties file from the jar file to influence a few default settings.

The concept underlying the presentation of the Hipparcos intermediate astrometric data has been formulated by Lennart Lindegren (Lund), who also supplied the algorithms (including the coarse Earth ephemeris) for generating the plots. All Java applications have been developed by William O'Mullane (ESA). For questions or feedback, please contact the Hipparcos Helpdesk.