EXITE2 detector and telescope development and initial balloon flight results

Y. Chou; P. Bloser; J. Grenzke; J. E. Grindlay; K. S.K. Lum; G. Monnelly; B. Robbason

EXITE2 detector and telescope development and initial balloon flight results

Y. Chou, P. Bloser, J. Grenzke, J. E. Grindlay, K. S.K. Lum, G. Monnelly, B. Robbason

天文研究所

研究成果: 書貢獻/報告類型 › 會議論文篇章 › 同行評審

1 引文斯高帕斯（Scopus）

摘要

The second-generation Energetic X-ray Imaging Telescope Experiment (EXITE2) is designed to image (22 arcmin resolution) and measure spectra of cosmic X-ray sources in the 20-600 keV band from a high altitude scientific balloon. We describe the continued development of the EXITE2 imaging phoswich (NaI/CsI) detector and its pulse-shape discriminator (PSD) as well as tagged calibration source (Am-241) system. A low-gain imaging readout and event blanking system has been implemented with the PMT dynodes to minimize effects of cosmic ray saturation and afterglow. Detector and gondola housekeeping, as well as quick-look science data, can be monitored in a real-time data display system. New gondola target acquisition systems, including real-time display of coarse azimuth (approx. 6 arcmin) from on-board GPS and a rotating sun-sensor, have been implemented. An off-axis CCD camera plus an on-axis intensified CCD camera and overlaid predicted star field have been developed for measurement of telescope fine aspect (approx. 1 arcmin). An on-board flight computer system for data recording and event compression has been implemented. All systems were tested on the first EXITE2 science flight on 7-8 May 1997 from Ft. Sumner, NM. Results of the detector and gondola performance, as well as initial hard X-ray imaging results on the black hole candidate Cygnus X-1, are reported.

原文	???core.languages.en_GB???
主出版物標題	IEEE Nuclear Science Symposium and Medical Imaging Conference
發行者	IEEE
頁面	210-222
頁數	13
ISBN（列印）	0780350227
出版狀態	已出版 - 1999
事件	Proceedings of the 1998 IEEE Nuclear Science Symposium Conference Record - Toronto, Que, Can 持續時間: 8 11月 1998 → 14 11月 1998

出版系列

名字	IEEE Nuclear Science Symposium and Medical Imaging Conference
卷	1

???event.eventtypes.event.conference???

???event.eventtypes.event.conference???	Proceedings of the 1998 IEEE Nuclear Science Symposium Conference Record
城市	Toronto, Que, Can
期間	8/11/98 → 14/11/98

引用此

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abstract = "The second-generation Energetic X-ray Imaging Telescope Experiment (EXITE2) is designed to image (22 arcmin resolution) and measure spectra of cosmic X-ray sources in the 20-600 keV band from a high altitude scientific balloon. We describe the continued development of the EXITE2 imaging phoswich (NaI/CsI) detector and its pulse-shape discriminator (PSD) as well as tagged calibration source (Am-241) system. A low-gain imaging readout and event blanking system has been implemented with the PMT dynodes to minimize effects of cosmic ray saturation and afterglow. Detector and gondola housekeeping, as well as quick-look science data, can be monitored in a real-time data display system. New gondola target acquisition systems, including real-time display of coarse azimuth (approx. 6 arcmin) from on-board GPS and a rotating sun-sensor, have been implemented. An off-axis CCD camera plus an on-axis intensified CCD camera and overlaid predicted star field have been developed for measurement of telescope fine aspect (approx. 1 arcmin). An on-board flight computer system for data recording and event compression has been implemented. All systems were tested on the first EXITE2 science flight on 7-8 May 1997 from Ft. Sumner, NM. Results of the detector and gondola performance, as well as initial hard X-ray imaging results on the black hole candidate Cygnus X-1, are reported.",

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Chou, Y, Bloser, P, Grenzke, J, Grindlay, JE, Lum, KSK, Monnelly, G & Robbason, B 1999, EXITE2 detector and telescope development and initial balloon flight results. 於 IEEE Nuclear Science Symposium and Medical Imaging Conference. IEEE Nuclear Science Symposium and Medical Imaging Conference, 卷 1, IEEE, 頁 210-222, Proceedings of the 1998 IEEE Nuclear Science Symposium Conference Record, Toronto, Que, Can, 8/11/98.

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AU - Bloser, P.

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AU - Grindlay, J. E.

AU - Lum, K. S.K.

AU - Monnelly, G.

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AB - The second-generation Energetic X-ray Imaging Telescope Experiment (EXITE2) is designed to image (22 arcmin resolution) and measure spectra of cosmic X-ray sources in the 20-600 keV band from a high altitude scientific balloon. We describe the continued development of the EXITE2 imaging phoswich (NaI/CsI) detector and its pulse-shape discriminator (PSD) as well as tagged calibration source (Am-241) system. A low-gain imaging readout and event blanking system has been implemented with the PMT dynodes to minimize effects of cosmic ray saturation and afterglow. Detector and gondola housekeeping, as well as quick-look science data, can be monitored in a real-time data display system. New gondola target acquisition systems, including real-time display of coarse azimuth (approx. 6 arcmin) from on-board GPS and a rotating sun-sensor, have been implemented. An off-axis CCD camera plus an on-axis intensified CCD camera and overlaid predicted star field have been developed for measurement of telescope fine aspect (approx. 1 arcmin). An on-board flight computer system for data recording and event compression has been implemented. All systems were tested on the first EXITE2 science flight on 7-8 May 1997 from Ft. Sumner, NM. Results of the detector and gondola performance, as well as initial hard X-ray imaging results on the black hole candidate Cygnus X-1, are reported.

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ER -

EXITE2 detector and telescope development and initial balloon flight results

摘要

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