High Energy Replicated Optics to Explore the Sun: Hard X-ray balloon-borne telescope
Big Sky, MT(2013)
摘要
Set to fly in the Fall of 2013 from Ft. Sumner, NM, the High Energy Replicated Optics to Explore the Sun (HEROES) mission is a collaborative effort between the NASA Marshall Space Flight Center and the Goddard Space Flight Center to upgrade an existing payload, the High Energy Replicated Optics (HERO) balloon-borne telescope, to make unique scientific measurements of the Sun and astrophysical targets during the same flight. The HEROES science payload consists of 8 mirror modules, housing a total of 109 grazing-incidence optics. These modules are mounted on a carbon-fiber - and Aluminum optical bench 6 m from a matching array of high pressure xenon gas scintillation proportional counters, which serve as the focal-plane detectors. The HERO gondola utilizes a differential GPS system (backed by a magnetometer) for coarse pointing in the azimuth and a shaft angle encoder plus inclinometer provides the coarse elevation. The HEROES payload will incorporate a new solar aspect system to supplement the existing star camera, for fine pointing during both the day and night. A mechanical shutter will be added to the star camera to protect it during solar observations. HEROES will also implement two novel alignment monitoring system that will measure the alignment between the optical bench and the star camera and between the optics and detectors for improved pointing and post-flight data reconstruction. The overall payload will also be discussed. This mission is funded by the NASA HOPE (Hands On Project Experience) Training Opportunity awarded by the NASA Academy of Program/Project and Engineering Leadership, in partnership with NASA's Science Mission Directorate, Office of the Chief Engineer and Office of the Chief Technologist.
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关键词
global positioning system,x-ray optics,aerospace instrumentation,astronomical telescopes,balloons,carbon fibres,gas scintillation detectors,magnetometers,mirrors,stars,engineering leadership,ft. sumner,gps system,goddard space flight center,heroes mission,heroes science payload,nasa academy of program/project,nasa hope,nasa marshall space flight center,nasa science mission directorate,office of the chief engineer,office of the chief technologist,sun,aluminum optical bench,astrophysical targets,carbon-fiber,collaborative effort,focal-plane detectors,grazing-incidence optics,hands on project experience,hard x-ray balloon-borne telescope,high energy replicated optics,high pressure xenon gas scintillation,magnetometer,matching array,mechanical shutter,mirror modules,proportional counters,scientific measurements,shaft angle encoder,solar aspect system,star camera,training opportunity,x ray telescopes,optics,optical imaging,x ray optics,carbon fiber,detectors,scintillation counters,payloads
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