NASA's program for observing supernova 1987A

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Supernovae, X-Ray, Ultraviolet

Scientific paper

The National Aeronautics and Space Administration has initiated a program of balloon and sounding rocket campaigns from the southern hemisphere to study the anticipated gamma-ray, X-ray and ultraviolet emission from the supernova in the Large Magellanic Cloud. These campaigns will continue to be supported over the period during which the flux remains observable, with present plans extending through early 1989. Emphasis in the selection of payloads has been in spectroscopy, with Germanium detectors receiving a high priority among gamma-ray balloon instruments. It is expected that narrow-line sensitivities near 10-4 photons/cm2 sec at the 847 keV line of 56Co will soon be available. In addition to high resolution spectrometers, other balloon payloads being flown to observe SN 1987A include large area NaI imaging and spectrometry instruments and a double scatter Compton telescope. While NASA's program includes observations at radio, infrared, ultraviolet, x-ray and gamma-ray wavelengths, this paper concentrates on high energy observations.

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