The EXOSAT Payload


EXOSAT Under Construction, revealing the instruments. The two circular apertures on the left are the X-ray telescopes of the LE instruments. The four square panels in the centre are the quadrants of the ME (only one is covered with thermal insulation) and the GSPC is the circular instrument on the upper right.



The Payload consisted of three complementary co-aligned instruments that were normally operated in parallel.

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