InFOCμS hard X-ray imaging telescope

J. Tueller, H. A. Krimm, T. Okajima, S. D. Barthelmy, S. M. Owens, P. J. Serlemitsos, Y. Soong, K. W. Chan, Y. Ogasaka, R. Shibata, K. Tamura, Akihiro Furuzawa, Y. Tawara, H. Kunieda, K. Yamashita

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

InFOCμS is a new generation balloon-borne hard X-ray telescope with focusing optics and spectroscopy. We had a successful 22.5-hour flight from Fort Sumner, NM on September 16,17, 2004. In this paper, we present the performance of the hard X-ray telescope, which consists of a depth-graded platinum/carbon multilayer mirror and a CdZnTe detector. The telescope has an effective area of 49 cm2 at 30 keV, an angular resolution of 2.4 arcmin (HPD), and a field of view of 11 arcmin (FWHM) depending on energies. The CdZnTe detector is configured with a 12 × 12 segmented array of detector pixels. The pixels are 2 mm square, and are placed on 2.1 mm centers. An averaged energy resolution is 4.4 keV at 60 keV and its standard deviation is 0.36 keV over 128 pixels. The detector is surrounded by a 3-cm thick CsI anti coincidence shield to reduce background from particles and photons not incident along the mirror focal direction. The inflight background is 2.9 × 10-4 cts cm -2 sec-1 keV-1 in the 20-50 keV band.

Original languageEnglish
Pages (from-to)121-129
Number of pages9
JournalExperimental Astronomy
Volume20
Issue number1-3
DOIs
Publication statusPublished - 01-12-2005

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telescopes
pixel
pixels
detectors
x rays
mirrors
balloons
field of view
angular resolution
platinum
energy
shield
standard deviation
spectroscopy
flight
optics
detector
carbon
photons
particle

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Tueller, J., Krimm, H. A., Okajima, T., Barthelmy, S. D., Owens, S. M., Serlemitsos, P. J., ... Yamashita, K. (2005). InFOCμS hard X-ray imaging telescope. Experimental Astronomy, 20(1-3), 121-129. https://doi.org/10.1007/s10686-006-9028-3
Tueller, J. ; Krimm, H. A. ; Okajima, T. ; Barthelmy, S. D. ; Owens, S. M. ; Serlemitsos, P. J. ; Soong, Y. ; Chan, K. W. ; Ogasaka, Y. ; Shibata, R. ; Tamura, K. ; Furuzawa, Akihiro ; Tawara, Y. ; Kunieda, H. ; Yamashita, K. / InFOCμS hard X-ray imaging telescope. In: Experimental Astronomy. 2005 ; Vol. 20, No. 1-3. pp. 121-129.
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Tueller, J, Krimm, HA, Okajima, T, Barthelmy, SD, Owens, SM, Serlemitsos, PJ, Soong, Y, Chan, KW, Ogasaka, Y, Shibata, R, Tamura, K, Furuzawa, A, Tawara, Y, Kunieda, H & Yamashita, K 2005, 'InFOCμS hard X-ray imaging telescope', Experimental Astronomy, vol. 20, no. 1-3, pp. 121-129. https://doi.org/10.1007/s10686-006-9028-3

InFOCμS hard X-ray imaging telescope. / Tueller, J.; Krimm, H. A.; Okajima, T.; Barthelmy, S. D.; Owens, S. M.; Serlemitsos, P. J.; Soong, Y.; Chan, K. W.; Ogasaka, Y.; Shibata, R.; Tamura, K.; Furuzawa, Akihiro; Tawara, Y.; Kunieda, H.; Yamashita, K.

In: Experimental Astronomy, Vol. 20, No. 1-3, 01.12.2005, p. 121-129.

Research output: Contribution to journalArticle

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AU - Tueller, J.

AU - Krimm, H. A.

AU - Okajima, T.

AU - Barthelmy, S. D.

AU - Owens, S. M.

AU - Serlemitsos, P. J.

AU - Soong, Y.

AU - Chan, K. W.

AU - Ogasaka, Y.

AU - Shibata, R.

AU - Tamura, K.

AU - Furuzawa, Akihiro

AU - Tawara, Y.

AU - Kunieda, H.

AU - Yamashita, K.

PY - 2005/12/1

Y1 - 2005/12/1

N2 - InFOCμS is a new generation balloon-borne hard X-ray telescope with focusing optics and spectroscopy. We had a successful 22.5-hour flight from Fort Sumner, NM on September 16,17, 2004. In this paper, we present the performance of the hard X-ray telescope, which consists of a depth-graded platinum/carbon multilayer mirror and a CdZnTe detector. The telescope has an effective area of 49 cm2 at 30 keV, an angular resolution of 2.4 arcmin (HPD), and a field of view of 11 arcmin (FWHM) depending on energies. The CdZnTe detector is configured with a 12 × 12 segmented array of detector pixels. The pixels are 2 mm square, and are placed on 2.1 mm centers. An averaged energy resolution is 4.4 keV at 60 keV and its standard deviation is 0.36 keV over 128 pixels. The detector is surrounded by a 3-cm thick CsI anti coincidence shield to reduce background from particles and photons not incident along the mirror focal direction. The inflight background is 2.9 × 10-4 cts cm -2 sec-1 keV-1 in the 20-50 keV band.

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Tueller J, Krimm HA, Okajima T, Barthelmy SD, Owens SM, Serlemitsos PJ et al. InFOCμS hard X-ray imaging telescope. Experimental Astronomy. 2005 Dec 1;20(1-3):121-129. https://doi.org/10.1007/s10686-006-9028-3