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About the IUEDAC

The International Ultraviolet Explorer (IUE) Data Analysis Center (formerly known as the Regional Data Analysis Facility or RDAF) was established in 1982, a few years following the launch of the IUE spacecraft, to assist users in the interpretation and analysis of IUE data. Analysis software was created based on the Interactive Data Language (IDL), marketed by Research Systems Incorporated. (N.B. the IUE data itself is stored using non-proprietary data formats, and any software language can be used as a basis for IUE data analysis.) These routines have allowed users to reduce and analyze IUE spectral data; display images; perform various database searches; and convert IUE data sets into various formats, such as FITS and ASCII text.

Although the IUE Data Analysis Center (IUEDAC) officially closed on October 8th, 1997, funding was made available to continue support for the IUEDAC software and documentation from the Space Telescope Science Institute (STScI). Former IUE staff members are available to assist novice and experienced IUE users with any questions they may have regarding data analysis, software updates, and related issues. E-mail regarding IUEDAC software or IUE data analysis may be sent to archives@stsci.edu.