High-Energy High-Resolution X-Ray Spectroscopy
Harvard-Smithsonian Center for Astrophysics
60 Garden Street
Cambridge, MA 02138
Nuclear line astrophysics provides a direct probe of the details
of one of the most violent events in the universe a supernova
explosion that expels the heavy elements in the ISM from the
nuclear furnace in which they were created. Because of its production
deep in the stellar core and 60 year half-life, 44Ti provides
a key diagnostic of supernova explosions. By using a high resolution
microcalorimeter optimized to measure the hard x-ray emission
at 68 keV from the chain of 44Ti decay products, one can determine
the extent and velocity distribution of the 44Ti emitting region.
Details of the spectrometer and simulated results will be resented.