Detector Calibration for the Micro-X Sounding Rocket X-ray Telescope

D. C. Goldfinger*, J. S. Adams, R. Baker, S. R. Bandler, N. Bastidon, M. E. Danowski, W. B. Doriese, M. E. Eckart, E. Figueroa-Feliciano, S. N.T. Heine, G. C. Hilton, A. J.F. Hubbard, R. L. Kelley, C. A. Kilbourne, R. E. Manzagol-Harwood, D. McCammon, T. Okajima, F. S. Porter, C. D. Reintsema, P. SerlemitsosS. J. Smith, P. Wikus

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Micro-X is a sounding rocket-borne X-ray telescope that uses a transition edge sensor microcalorimeter array to provide high-energy-resolution spectroscopy. Micro-X is a versatile instrument with plans to observe the Puppis A supernova remnant during its first flight, as well as future observations of the Milky Way to search for X-ray signals from decaying dark matter. Commissioning and functionality testing are complete, and the thermal performance of the system has been validated. We are currently evaluating the detector performance in the flight cryostat with the flight multiplexing electronics. Operating in this setup has allowed us to characterize sources of detector and readout noise, as well as to implement mitigation techniques to improve performance in anticipation of the upcoming flight. We present an overview of important noise considerations in addition to an update on latest detector performance.

Original languageEnglish (US)
Pages (from-to)984-990
Number of pages7
JournalJournal of Low Temperature Physics
Issue number5-6
StatePublished - Dec 1 2018


  • Microcalorimeter
  • Sounding rocket
  • Transition edge sensors
  • X-ray

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics


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