... NED

NASA/IPAC Extragalactic Database.

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... HIPASS

H I Parkes All-Sky Survey: http://www.atnf.csiro.au/research/multibeam/release/

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... IRAF

IRAF is distributed by the National Optical Astronomy Observatories (NOAO), which are operated by the Association of Universities for Research in Astronomy (AURA), Inc., under cooperative agreement with the National Science Foundation (NSF).

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... HyperLEDA

HyperLEDA: http://leda.univ-lyon1.fr

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... MIRIAD

MIRIAD was developed by the Australia Telescope National Facility (ATNF) which is part of the Commonwealth Scientific and Industrial Research Organization (CSIRO) of Australia.

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... GIPSY

Groningen Image Processing System.

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