: Compressed files generated by APZIP are saved with the .apz extension.
: The APZIP code is part of the apogeereduce software product. While primarily an internal tool for the Sloan Digital Sky Survey (SDSS) , versions of the pipeline are hosted in public repositories like the SDSS-III SVN repository. 4. Comparative Efficiency : Compressed files generated by APZIP are saved with the
: The resulting multi-extension FITS files are compressed using the FPACK utility and the lossless Rice compression algorithm . 3. Usage and Accessibility : Compressed files generated by APZIP are saved with the
The APZIP procedure uses a three-step custom algorithm to achieve an average compression factor of approximately . : Compressed files generated by APZIP are saved with the
