Overview of the high-definition x-ray imager instrument on the Lynx x-ray surveyor

Abraham D. Falcone, Ralph P. Kraft, Marshall W. Bautz, Jessica A. Gaskin, John A. Mulqueen, Doug A. Swartz

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

Four NASA Science and Technology Definition Teams have been convened in order to develop and study four mission concepts to be evaluated by the upcoming 2020 Decadal Survey. The Lynx x-ray surveyor mission is one of these four large missions. Lynx will couple fine angular resolution (<0.5 arcsec HPD) x-ray optics with large effective area (∼2 m2 at 1 keV), thus enabling exploration within a unique scientific parameter space. One of the primary soft x-ray imaging instruments being baselined for this mission concept is the high-definition x-ray imager, HDXI. This instrument would use a finely pixelated silicon sensor array to achieve fine angular resolution imaging over a wide field of view (∼22 × 22 arcmin). Silicon sensors enable large-format/small-pixel devices, radiation tolerant designs, and high quantum efficiency across the entire soft x-ray bandpass. To fully exploit the large collecting area of Lynx (∼30 × Chandra), with negligible or minimal x-ray event pile-up, the HDXI will be capable of much faster frame rates than current x-ray imagers. We summarize the planned requirements, capabilities, and development status of the HDXI instrument, and associated papers in this special edition will provide further details on some specific detector options.

Original languageEnglish (US)
Article number021019
JournalJournal of Astronomical Telescopes, Instruments, and Systems
Volume5
Issue number2
DOIs
StatePublished - Apr 1 2019

Fingerprint

Image sensors
X rays
x rays
Silicon sensors
angular resolution
silicon
x ray optics
sensor
Imaging techniques
sensors
piles
Optical resolving power
Sensor arrays
field of view
format
quantum efficiency
Quantum efficiency
science and technology
Piles
NASA

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Control and Systems Engineering
  • Instrumentation
  • Astronomy and Astrophysics
  • Mechanical Engineering
  • Space and Planetary Science

Cite this

Falcone, Abraham D. ; Kraft, Ralph P. ; Bautz, Marshall W. ; Gaskin, Jessica A. ; Mulqueen, John A. ; Swartz, Doug A. / Overview of the high-definition x-ray imager instrument on the Lynx x-ray surveyor. In: Journal of Astronomical Telescopes, Instruments, and Systems. 2019 ; Vol. 5, No. 2.
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Overview of the high-definition x-ray imager instrument on the Lynx x-ray surveyor. / Falcone, Abraham D.; Kraft, Ralph P.; Bautz, Marshall W.; Gaskin, Jessica A.; Mulqueen, John A.; Swartz, Doug A.

In: Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 5, No. 2, 021019, 01.04.2019.

Research output: Contribution to journalReview article

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