RXTE observations of Cas A

Details RXTE observations of Cas A RXTE observations of Cas A

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..410.1089r&link_type=abstract

The fourth compton symposium. AIP Conference Proceedings, Volume 410, pp. 1089-1093 (1997).

Computer Science

2

Supernova Remnants, Gamma-Ray, Cosmic Rays

Scientific paper

The exciting detection by the COMPTEL instrument of the 1157 keV 44Ti line from the supernova remnant Cas A sets important new constraints on supernova dynamics and nucleosynthesis. The 44Ti decay also produces x-ray lines at 68 and 78 keV, whose flux should be essentially the same as that of the gamma ray line. The revised COMPTEL flux of 4×10-5 cm-2 s-1 is very near the sensitivity limit for line detection by the HEXTE instrument on RXTE. We report on the results from two RXTE observations-20 ks during In Orbit Checkout in January 1996 and 200 ks in April 1996. We also find a strong continuum emission suggesting cosmic ray electron acceleration in the remnant.

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