Kavli Affiliate: Troy Porter
| First 5 Authors: Christopher Karwin, Thomas Siegert, Jacqueline Beechert, John Tomsick, Troy Porter
| Summary:
In 2016 the Compton Spectrometer and Imager (COSI) had a successful 46-day
flight onboard NASA’s Super Pressure Balloon platform. In this work we report
measurements of the Galactic diffuse continuum emission (GDCE) observed towards
the inner Galaxy during the flight, which in the COSI energy band (0.2 – 5 MeV)
is primarily generated from inverse Compton radiation. Within uncertainties we
find overall good agreement with previous measurements from INTEGRAL/SPI and
COMPTEL. Based on these initial findings, we discuss the potential for further
probing the GDCE with the 2016 COSI balloon data, as well as prospects for the
upcoming satellite mission.
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