The Far Ultraviolet Spectroscopic Explorer


FUSE Facts

Satellite Dimensions 1.2m × 1.8m × 5.5m
Weight 1238 kg
Instrument 4 High-resolution spectrographs
Wavelength Coverage 905 - 1195 Å
Resolving Power 24,000 - 30,000 (0.033 Å)
Mirrors 4 off-axis parabolae; each 35 × 39 cm
Gratings 4 holographically ruled concave gratings
5300 - 5880 lines per mm
Detectors 2 microchannel plate detectors
KBr photocathode; double-delay line anodes
Acquisition/Guiding 2 CCD cameras ("fine error sensors")
20´ field of view; 2.3" per pixel
Orbit Altitude/Inclination 768 km circular orbit; 25° inclination
Period ~6.06 ksec (101 minutes)
Launch Vehicle Delta II 7320
Site Pad 17A, Cape Canaveral Air Station, Florida


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