SP-466 The Star Splitters
 

The Monitor Proportional Counter, HEAO B-1. The Monitor Proportional Counter was mounted near one end of the observatory and operated independently of the telescope. It observed the same region of sky as the telescope but over a much wider energy range. It provided a means of correlating observations made by all the focal plane instruments. The Principal Investigator was Riccardo Giacconi. Hardware was developed by American Science and Engineering.

The Monitor Proportional Counter, HEAO B-1. The Monitor Proportional Counter was mounted near one end of the observatory and operated independently of the telescope. It observed the same region of sky as the telescope but over a much wider energy range. It provided a means of correlating observations made by all the focal plane instruments. The Principal Investigator was Riccardo Giacconi. Hardware was developed by American Science and Engineering.

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