Overview of the nuclear compton telescope

Eric C. Bellm, Steven E. Boggs, Mark S. Bandstra, Jason D. Bowen, Daniel Perez-Becker, Cornelia B. Wunderer, Andreas Zoglauer, Mark Amman, Paul N. Luke, Hsiang Kuang Chang, Jeng Lun Chiu, Jau Shian Liang, Yuan Hann Chang, Zong Kai Liu, Wei Che Hung, Chih Hsun Lin, Minghuey A. Huang, Pierre Jean

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


The Nuclear Compton Telescope (NCT) is a balloon-borne telescope designed to study astrophysical sources of nuclear line emission and polarization at soft gamma-ray (0.210 MeV) energies. NCT uses high-purity germanium strip detectors for 3D tracking of photon interactions. Compton imaging enables effective background rejection, resulting in a compact but highly efficient instrument. The NCT prototype completed a successful flight from Fort Sumner, New Mexico in 2005. We have since integrated additional detectors, updated the readout electronics, and improved other flight systems. Two flights of the full instrument are upcoming: a conventional flight in New Mexico and a long duration flight from Australia. We give an overview of the instrument and its status prior to the planned balloon flights.

Original languageEnglish
Article number5075972
Pages (from-to)1250-1256
Number of pages7
JournalIEEE Transactions on Nuclear Science
Issue number3
StatePublished - Jun 2009


  • Compton imaging
  • Gamma-ray astronomy detectors
  • Gamma-ray imaging
  • Germanium radiation detectors


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