Preliminary results of INTEGRAL/SPI measurements of radioactive 60Fe in the Galaxy

Details Preliminary results of INTEGRAL/SPI measurements of radioactive 60Fe in the Galaxy Preliminary results of INTEGRAL/SPI measurements of radioactive 60Fe in the Galaxy

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004head....8.2410h&link_type=abstract

American Astronomical Society, HEAD meeting #8, #24.10; Bulletin of the American Astronomical Society, Vol. 36, p.950

Astronomy and Astrophysics

Astronomy

Scientific paper

The nucleosynthesis of the isotope 60Fe is believed to occur in supernovae. After it is expelled into the interstellar medium its half-life is long enough (1.5 Myr) for many such events to contribute to a steady-state abundance, which gives rise to Galaxy-wide diffuse emission of γ -ray lines at 1173 keV and 1332 keV. Detection of this emission was recently reported by the Reuven Ramaty High Energy Solar Spectroscopic Imager experiment. Here we report preliminary results of measurements of these lines by INTEGRAL/SPI.

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