GIADA performance during Rosetta mission scientific operations at comet 67P

Autor: J. E. Rodriguez, V. Liuzzi, Stavro Ivanovski, V. Della Corte, Pasquale Palumbo, Simon F. Green, M. Cosi, S. Rotunno, M. Herranz, M. Ferrari, E. Mazzotta-Epifani, Marco Fulle, Mario Accolla, R. Morales, J. J. López-Moreno, Alessandra Rotundi, Luigi Colangeli, Ernesto Palomba, Roberto Sordini
Přispěvatelé: ITA, GBR, ESP, NLD, Agenzia Spaziale Italiana
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Digital.CSIC. Repositorio Institucional del CSIC
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ISSN: 0273-1177
Popis: The Grain Impact Analyser and Dust Accumulator (GIADA) instrument onboard Rosetta studied the dust environment of comet 67P/Churyumov–Gerasimenko from 3.7 au inbound, through perihelion, to 3.8 au outbound, measuring the dust flow and the dynamic properties of individual particles. GIADA is composed of three subsystems: (1) Grain Detection System (GDS); (2) Impact Sensor (IS); and (3) Micro-Balances System (MBS). Monitoring the subsystems’ performance during operations is an important element for the correct calibration of scientific measurements. In this paper, we analyse the GIADA inflight calibration data obtained by internal calibration devices for the three subsystems during the period from 1 August 2014 to 31 October 2015. The calibration data testify a nominal behaviour of the instrument during these fifteen months of mission; the only exception is a minor loss of sensitivity for one of the two GDS receivers, attributed to dust contamination.© 2017 COSPAR
Rosetta is an ESA mission with contributions from its member states and NASA. Rosetta's Philae lander is provided by a consortium led by DLR, MPS, CNES and ASI. We thank all the Rosetta instrument teams, the Rosetta Science Ground Segment at ESAC, the Rosetta Mission Operations Centre at ESOC and the Rosetta Project at ESTEC for their outstanding work enabling the science return of the Rosetta Mission. GIADA was built by a consortium led by the Univ. Napoli Parthenope & INAF - Oss. Astr. Capodimonte, in collaboration with the Inst. de Astrofisica de Andalucia, ES, Selex-FI-IT and SENER-ES. GIADA was managed and operated by Istituto di Astrofisica e Planetologia Spaziali-INAF, IT. GIADA was funded and managed by the Agenzia Spaziale Italiana, IT, with the support of the Spanish Ministry of Education and Science MEC, ES. GIADA was developed from a PI proposal from the University of Kent; sci. & tech. contributions were provided by CISAS, IT, Lab. d'Astr. Spat., FR, and Institutions from UK, IT, FR, DE and USA. Science support was provided by NASA through the US Rosetta Project managed by the Jet Propulsion Laboratory/California Institute of Technology. We would like to thank Angioletta Coradini for her contribution as a GIADA Co-I. GIADA calibrated data will be available through ESA's PSA web site (http://www.cosmos.esa.int/web/psa/rosetta).All data presented here are public. This research was supported by the Italian Space Agency (ASI) within the INAF-ASI agreements 1/032/05/0 and 1/024/12/0. The authors are grateful to the anonymous reviewers for very constructive suggestions that greatly contributed to improve our paper.
Databáze: OpenAIRE
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