NASA NTRS · 19790053787
The Einstein /HEAO 2/ X-ray Observatory
Abstract
The Einstein (HEAO 2) X-ray Observatory, launched in 1978, includes a fully imaging focusing X-ray telescope with an angular resolution of a few arc sec, a field of view of up to one deg, and a sensitivity several hundred times greater than previously available in any X-ray astronomy experiment. A high-resolution imager, an imaging proportional counter, a focal plane crystal spectrometer, and a monitor proportional counter are among the principal instruments on board the Einstein X-ray Observatory. About 20% of the total effective observing time in the first year of the X-ray astronomy experiment has been reserved for guest observers.
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Giacconi, R., Branduardi, G., Briel, U., Epstein, A., Fabricant, D., Feigelson, E., Holt, S. S., Becker, R. H., Boldt, E. A., Serlemitsos, P. J.. 1979-06-01. The Einstein /HEAO 2/ X-ray Observatory. https://ntrs.nasa.gov/citations/19790053787
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