Margie - Minute of Arc resolution hard X-ray/gamma ray imaging telescope for an ultra long duration balloon mission

  • P. P. Altice
  • , M. L. Cherry
  • , D. L. Band
  • , J. Buckley
  • , T. G. Guzik
  • , P. L. Hink
  • , S. C. Kappadath
  • , J. R. Macri
  • , J. L. Matteson
  • , M. L. McConnell
  • , J. M. Ryan
  • , K. R. Slavis
  • , J. G. Stacy

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

MARGIE (Minute of Arc Resolution Gamma ray Imaging Experiment) is proposed to be a sensitive, large field-of-view, high angular resolution, hard X-ray/gamma ray (20-511 keV) telescope capable of observing gamma ray bursts and point sources with 〈1' resolution on a 100 day Ultra Long Duration Balloon (ULDB) mission. MARGIE will be designed to take full advantage of the weight, power, and telemetry capabilities appropriate for a ULDB mission. The current instrument design consists of five coded aperture γ-ray telescopes: a central telescope with 1892 cm 2 of detector area, 1.9' angular resolution, and 8.3° half-angle field of view (FOV); and four side-looking telescopes, each with 1945 cm 2 detector area, 3.8' resolution, and 26.1° FOV. The five γ-ray telescopes will be surrounded by 10 5 cm 2 of 1 cm thick NaI active anticoincidence shields designed both to provide shielding from background and to provide additional sensitive detector area for faint γ-ray bursts. The total instrument mass is 950 kg (science, not including NSBF electronics, ballast, etc.). The total instrument power requirement is 760 W.

Original languageEnglish
Pages (from-to)1321-1332
Number of pages12
JournalAdvances in Space Research
Volume30
Issue number5
DOIs
StatePublished - 2002

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