The Astro::ADS module is an object-orientated Perl interface to the Astrophysics Data System (ADS) abstract service. The ADS is a NASA-funded project whose main resource is an Abstract Service, which includes four sets of abstracts: astronomy and astrophysics, instrumentation, physics and geophysics, and Los Alamos preprint server.
The Astro::Catalog module is a generic object orientated astronomical catalogue object supported by a range of query classes that allow the user direct programatic access to a range of online catalogue servers, including as of Version 3.x both SkyCat and Vizier, from the Perl language.
The Astro::Corlate module is an pseudo-object orientated interface to the Fortran 95 Corlate package. A F95 compiler is needed to compile the module.
The Astro::DSS module is an object-orientated Perl interface to the first and second Digital Sky Surveys at the ESO-ECF online archive. While the first sky survey is 100% complete, the second survey covers 98% of the sky in Red, 45% of the sky in Blue and 99% of the sky in the Infra-red.
The Astro::SIMBAD module is an object-orientated Perl interface to the CDS SIMBAD astronomical database. SIMBAD provides basic data, cross-identifications and bibliography for astronomical objects outside the solar system.