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Halosat — A Cubesat That Studied The Hot Galactic Halo

Presentation #330.06 in the session “The Milky Way and Galactic Center”.

Published onJun 18, 2021
Halosat — A Cubesat That Studied The Hot Galactic Halo

HaloSat was the first CubeSat competitively funded by NASA’s Astrophysics Division and performed a two-year, all-sky survey in the soft X-ray band. HaloSat’s primary goal was to measure line emission from highly ionized oxygen within the halo of the Milky Way. However, it has also been used to study extended soft X-ray sources such as the Cygnus superbubble and the Large Magellanic cloud and to search for 3.5 keV line emission from a putative sterile neutrino. The full HaloSat data set has been archived at NASA’s HEASARC and is publicly available for analysis by the astronomical community. We describe some key results from HaloSat and provide an introduction to use of the HaloSat data archive.

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