Cosmic ray observations from Livingston Island
Authors
Blanco Ávalos, Juan JoséIdentifiers
Permanent link (URI): http://hdl.handle.net/10017/59248DOI: 10.1016/j.asr.2022.02.046
ISSN: 0273-1177
Publisher
Elsevier
Date
2022-05-01Academic Departments
Universidad de Alcalá. Departamento de Automática
Universidad de Alcalá. Departamento de Física y Matemáticas
Teaching unit
Unidad Docente Física
Research group
Grupo de Investigación Espacial - Space Research Group
Funders
Agencia Estatal de Investigación
Bibliographic citation
Blanco, J.J. [et al.] 2022, "Cosmic ray observations from Livingston Island", Advances in Space Research, vol. 69, no. 9, pp. 3514-3524.
Project
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-107806GB-I00/ES/ORCA, ORCT, MINICALMA Y CALMA. OBSERVANDO DE LA INTERACCION SOL-TIERRA Y EL ENTORNO TERRESTRE. CONTRIBUCION ESPAÑOLA A LA NEUTRON MONITOR DATA BASE/
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
https://doi.org/10.1016/j.asr.2022.02.046Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Access rights
info:eu-repo/semantics/openAccess
Abstract
ORCA, from the Spanish name Observatorio de Rayos Cósmicos Antártico, is a cosmic ray detector devoted to the observation of secondary cosmic rays at Juan Carlos I Spanish Antarctic Base (62° 39′ 46″ S, 60° 23′ 20″ W, 12 m above sea level). ORCA was installed at the beginning of January 2019 after performing a latitudinal survey from Vigo (Spain) to Livingston Island aboard the Sarmiento de Gamboa Research Vessel. ORCA was in commissioning phase from January 2019 to March 2020, being in normal operation mode from March 2020. A vertical cutoff rigidity of 2.37GV has been computed at ORCA location and during the first year of operation, i. e. from March 2020 to March 2021.
ORCA consists of three detectors stacked in a shared structure that maintains the relative distances between the detectors. A muon telescope (ORCM), a neutron monitor without any shielding around (ORCB) and a 3NM64 neutron monitor (ORCA). This configuration allows the measurement of neutron count rates at two different energy thresholds, muon count rate and muon incident directions.
Measurements recorded during the first year of operation and ORCA potential capabilities are shown in this work.
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