The International Ultraviolet Explorer (IUE)
was a 45-cm space-based ultraviolettelescope
launched in 1978 into Earth orbit and operated until 1996.
Among the organizations collaborating
were NASA and the European Space Agency (ESA).
Instruments:
Among its activities were follow-up UV studies of SN 1987A.
IUEDAC (for IUE Data Analysis Center) was a clearing house
for IUE data, a function which has been subsumed by MAST.