A. Di Marco, F. Muleri, S. Fabiani, F. La Monaca, J. Rankin, P. Soffitta, L. Baldini, E. Costa, E. Del Monte, R. Ferrazzoli, C. Lefevre, L. Maiolo, F. Maita, A. Manfreda, A. Morbidini, S. O’Dell, B. Ramsey, A. Ratheesh, C. Sgro’, A. Trois, A. Tennant, M. Weisskopf
{"title":"IXPE上成像x射线偏振仪的在轨监测","authors":"A. Di Marco, F. Muleri, S. Fabiani, F. La Monaca, J. Rankin, P. Soffitta, L. Baldini, E. Costa, E. Del Monte, R. Ferrazzoli, C. Lefevre, L. Maiolo, F. Maita, A. Manfreda, A. Morbidini, S. O’Dell, B. Ramsey, A. Ratheesh, C. Sgro’, A. Trois, A. Tennant, M. Weisskopf","doi":"10.1117/12.2629413","DOIUrl":null,"url":null,"abstract":"The imaging x-ray polarimetry explorer (IXPE) was launched on December 9, 2021, from Cape Canaveral into a low-Earth equatorial orbit. The mission, led by NASA in collaboration with the Italian Space Agency (ASI), features three identical telescopes, each with an imaging x-ray photoelectric polarimeter at the focus of an x-ray mirror assembly. Each focal-plane detector includes a set of four calibration sources powered by a 55Fe nuclide to monitor the detector’s performance. Of these sources, one produces polarized x-rays at two energies and the remaining three generate unpolarized radiation. Here we present the status of this monitoring program, starting from installation of the flight nuclides before on-ground environmental testing of the observatory through recent on-orbit measurements during science operations.","PeriodicalId":137463,"journal":{"name":"Astronomical Telescopes + Instrumentation","volume":"71 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"In-orbit monitoring of the imaging x-ray polarimeters on-board IXPE\",\"authors\":\"A. Di Marco, F. Muleri, S. Fabiani, F. La Monaca, J. Rankin, P. Soffitta, L. Baldini, E. Costa, E. Del Monte, R. Ferrazzoli, C. Lefevre, L. Maiolo, F. Maita, A. Manfreda, A. Morbidini, S. O’Dell, B. Ramsey, A. Ratheesh, C. Sgro’, A. Trois, A. Tennant, M. Weisskopf\",\"doi\":\"10.1117/12.2629413\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The imaging x-ray polarimetry explorer (IXPE) was launched on December 9, 2021, from Cape Canaveral into a low-Earth equatorial orbit. The mission, led by NASA in collaboration with the Italian Space Agency (ASI), features three identical telescopes, each with an imaging x-ray photoelectric polarimeter at the focus of an x-ray mirror assembly. Each focal-plane detector includes a set of four calibration sources powered by a 55Fe nuclide to monitor the detector’s performance. Of these sources, one produces polarized x-rays at two energies and the remaining three generate unpolarized radiation. Here we present the status of this monitoring program, starting from installation of the flight nuclides before on-ground environmental testing of the observatory through recent on-orbit measurements during science operations.\",\"PeriodicalId\":137463,\"journal\":{\"name\":\"Astronomical Telescopes + Instrumentation\",\"volume\":\"71 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-08-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Astronomical Telescopes + Instrumentation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.2629413\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Astronomical Telescopes + Instrumentation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2629413","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In-orbit monitoring of the imaging x-ray polarimeters on-board IXPE
The imaging x-ray polarimetry explorer (IXPE) was launched on December 9, 2021, from Cape Canaveral into a low-Earth equatorial orbit. The mission, led by NASA in collaboration with the Italian Space Agency (ASI), features three identical telescopes, each with an imaging x-ray photoelectric polarimeter at the focus of an x-ray mirror assembly. Each focal-plane detector includes a set of four calibration sources powered by a 55Fe nuclide to monitor the detector’s performance. Of these sources, one produces polarized x-rays at two energies and the remaining three generate unpolarized radiation. Here we present the status of this monitoring program, starting from installation of the flight nuclides before on-ground environmental testing of the observatory through recent on-orbit measurements during science operations.
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