Testing of Roman Space Telescope’s Primary Instrument Nearing Completion at BAE Systems
2024年5月22日 - 12:00AM
ビジネスワイヤ(英語)
The Nancy Grace Roman Space Telescope’s Wide Field Instrument
(WFI), the primary scientific instrument on NASA’s next-generation
observatory, has entered the final stages of environmental testing
at BAE Systems in Boulder, Colorado.
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The Nancy Grace Roman Space Telescope’s
Wide Field Instrument, the primary scientific instrument on NASA’s
next-generation observatory, has entered the final stages of
environmental testing at BAE Systems in Boulder, Colorado. (Credit:
BAE Systems)
The WFI will detect distant infrared light from around the
universe and provide high-resolution images across wide swaths of
the sky, helping scientists find and study new exoplanets, better
understand dark energy and dark matter, and explore a range of
additional astronomical questions. The instrument will capture a
field of view at least 100 times greater than its predecessor, the
Hubble Space Telescope, and will dramatically increase the speed
with which we can survey the cosmos.
BAE Systems and NASA’s Goddard Space Flight Center finished
integration of the WFI and began environmental testing of the
instrument in September 2023. To date, the WFI has successfully
completed vibration and acoustic tests that simulate launch
conditions and its initial baseline thermal vacuum test, which
simulates the conditions the WFI will encounter in space, including
the temperature on orbit. Most recently, the WFI completed its
second thermal vacuum chamber test, which served as a final
demonstration of its performance after being subjected to dynamic
environments testing. The instrument will now transition to the
final stage of testing, where it will undergo electromagnetic
interference and compatibility testing to make sure it’s not
susceptible to electrical disruptions.
Completion of environmental testing and delivery of the WFI to
NASA’s Goddard Space Flight Center is expected to occur later this
summer.
“The WFI is an incredibly sensitive instrument, and these tests
are vital to ensure its performance and safeguard the success of
this groundbreaking mission,” said Dr. Alberto Conti, vice
president and general manager of Civil Space for BAE Systems Space
& Mission Systems. “We’re proud to continue our legacy of
supporting every NASA astrophysics flagship mission and look
forward to completing this next milestone in its development.”
In addition to performing integration and environmental testing,
BAE Systems designed and built the instrument’s opto-mechanical
assembly, which includes the optical bench, element wheel, thermal
control system and alignment compensation mechanism, among other
features. NASA’s Goddard Space Flight Center built the focal plane
system (FPS), relative calibration system, diffractive elements for
the element wheel, and the instrument command and data handling
electronics.
The Roman Space Telescope is expected to launch by May 2027.
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Sawyer D’Argonne, BAE Systems Mobile: 303-250-6031
sawyer.dargonne@baesystems.us www.baesystems.com/US
@BAESystemsInc
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