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dc.contributor.authorBáča, Tomáš
dc.contributor.authorJílek, Miroslav
dc.contributor.authorVeřtát, Ivo
dc.contributor.authorUrban, Martin
dc.contributor.authorNentvich, Ondřej
dc.contributor.authorFilgas, Robert
dc.contributor.authorGranja, Carlos
dc.contributor.authorInneman, Adolf
dc.contributor.authorDaniel, Vladimír
dc.date.accessioned2019-03-26T09:11:15Z-
dc.date.available2019-03-26T09:11:15Z-
dc.date.issued2018
dc.identifier.citationBÁČA, T., JÍLEK, M., VEŘTÁT, I., URBAN, M., NENTVICH, O., FILGAS, R., GRANJA, C., INNEMAN, A., DANIEL, V. Timepix in LEO orbit onboard the VZLUSAT-1 nanosatellite: 1-year of space radiation dosimetry measurements. Journal of Instrumentation, 2018, roč. 13, č. November, s. 0-8. ISSN 1748-0221.en
dc.identifier.issn1748-0221
dc.identifier.uri2-s2.0-85057612019
dc.identifier.urihttp://hdl.handle.net/11025/33698
dc.format9 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherIOP PUBLISHINGen
dc.rightsPlný text je přístupný v rámci univerzity přihlášeným uživatelům.cs
dc.rights© IOP Publishingen
dc.titleTimepix in LEO orbit onboard the VZLUSAT-1 nanosatellite: 1-year of space radiation dosimetry measurementsen
dc.typečlánekcs
dc.typearticleen
dc.rights.accessrestrictedAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedThe VZLUSAT-1 satellite, the first Czech CubeSat, was successfully launched on June 23, 2017, to a 510 km Sun-synchronous low-Earth orbit. It carries several scientific payloads including a Timepix detector as focal plane imager for the X-Ray telescope onboard. The Timepix detector contributes significantly to the satellite data collection, with more than 25 000 sampling acquisitions in the first year of deployment. Despite limitations of the satellite attitude control system, necessary for capturing X-Ray images of the Sun, the Timepix detector allows measuring the space radiation environment along the satellite orbit. As of September 2018, we conducted 33 whole-Earth mappings, recording radiation doses around the planet. Further, we show data from scans of the South Atlantic Anomaly and polar radiation horns, where the location and acquisition time were tailored to minimize event pile-up and particle track overlap. Since October 2017, the optics segment of the onboard X-Ray telescope was deployed, which exposed the Timepix detector unshielded to free open space. This change produced entirely new observations namely of low energy charged particles and a significant increase of measured particle flux. We also registered the effects of exposing the sensor to direct intense sunlight. We will summarize on the actual performance of the custom readout interface, which exceeds expectations in the constrained environment of the low-cost and low-powered CubeSat nanosatellite.en
dc.subject.translatedon-board space electronicsen
dc.subject.translatedparticle detectorsen
dc.subject.translatedspace instrumentationen
dc.subject.translatedX-ray detectors and telescopesen
dc.identifier.doi10.1088/1748-0221/13/11/C11010
dc.type.statusPeer-revieweden
dc.identifier.document-number450394200001
dc.identifier.obd43924217
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