Improving the Angular Resolution of Coded-Mask Telescopes by Direct Demodulation |
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| Authors: | Zong-Jun Shen Jian-Feng Zhou |
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| Affiliation: | Department of Engineering Physics and Center for Astrophysics, Tsinghua University, Beijing 100084, China |
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| Abstract: | We develop a new procedure to improve the angular resolution of coded-mask telescopes by the Direct Demodulation Method (DDM). DDM has been applied to both real and simulated data of INTEGRAL/IBIS. The angular resolution of IBIS/ISGRI has been improved from about 13' to 2'. |
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| Keywords: | instrumentation: coded-mask-telescopes: INTEGRAL/IBIS-techniques: high angular resolution-methods: direct demodulation |
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