This tools are used to make the default star catalog for CDC.
It is based on V/137 Extended Hipparcos Compilation (XHIP).

The HD and BD identifier are take from the original I/239 Hipparcos hip_main file.
The HR identifier is taken from V/50 Bright Star Catalogue, 5th Revised Ed. using HD as key.
The Bayer and Flamsteed identifier are from IV/27A HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index. using HD as key.

The script makexhip.sh download the required files, compile and launch the program 
cdc_xhip.pp which merge and extract the data to the file cdc_xhip.dat and cdc_hr.dat

The file cdc_xhip.dat is used with Catgen and the project file cdc_xhip.prj to build the binary catalog.

