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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 3 CONTRIBUTI IN ATTI DI CONVEGNO (Proceedings)
  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/31385
Title: The X/Gamma-ray Imaging Spectrometer (XGIS) on-board THESEUS: design, main characteristics, and concept of operation
Authors: LABANTI, CLAUDIO 
AMATI, LORENZO 
Frontera, F.
MEREGHETTI, Sandro 
Gasent-Blesa, J. L.
Tenzer, C.
Orleanski, P.
Kuvvetli, I.
CAMPANA, RICCARDO 
FUSCHINO, FABIO 
TERENZI, LUCA 
Virgilli, E.
MORGANTE, GIANLUCA 
ORLANDINI, MAURO 
Butler, R. C.
STEPHEN, JOHN BUCHAN 
AURICCHIO, NATALIA 
De Rosa, A.
Da Ronco, V.
Evangelisti, F.
Melchiorri, M.
Squerzanti, S.
FIORINI, MAURO 
Bertuccio, G.
Mele, F.
Gandola, M.
Malcovati, P.
Grassi, M.
Bellutti, P.
Borghi, G.
Ficorella, F.
Picciotto, A.
ZANINI, Valeria
Zorzi, N.
Demenev, E.
Rashevskaya, I.
Rachevski, A.
Zampa, G.
Vacchi, A.
Zampa, N.
Baldazzi, G.
LA ROSA, GIOVANNI 
SOTTILE, Giuseppe 
Volpe, A.
Winkler, M.
Reglero, V.
Connell, P. H.
Pinazo-Herrero, B.
Navarro-González, J.
Rodríguez-Martínez, P.
Castro-Tirado, A. J.
Santangelo, A.
Hedderman, P.
Lorenzi, P.
Sarra, P.
Pedersen, S. M.
Tcherniak, D.
Guidorzi, C.
Rosati, P.
TROIS, ALESSIO 
PIAZZOLLA, RAFFAELE 
Issue Date: 2020
Volume: Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
Editors: den Herder, Jan-Willem A.; Nikzad, Shouleh; Nakazawa, Kazuhiro
Series: PROCEEDINGS OF SPIE 
Number: 11444
First Page: 114442K
Abstract: THESEUS (Transient High Energy Sky and Early Universe Surveyor) is one of the three missions selected by ESA as fifth medium class mission (M5) candidates in its Cosmic Vision science program, currently under assessment in a phase A study with a planned launch date in 2032. THESEUS is designed to carry on-board two wide and deep sky monitoring instruments for X/gamma-ray transients detection: a wide-field soft X-ray monitor with imaging capability (Soft X-ray Imager, SXI, 0.3 - 5 keV), a hard X-ray, partially-imaging spectroscopic instrument (X and Gamma Imaging Spectrometer, XGIS, 2 keV - 10 MeV), and an optical/near-IR telescope with both imaging and spectroscopic capability (InfraRed Telescope, IRT, 0.7 - 1.8 μm). The spacecraft will be capable of performing fast repointing of the IRT to the error region provided by the monitors, thus allowing it to detect and localize the transient sources down to a few arcsec accuracy, for immediate identification and redshift determination. The prime goal of the XGIS will be to detect transient sources, with monitoring timescales down to milliseconds, both independently of, or following up, SXI detections, and identify the sources performing localisation at <15 arcmin and characterize them over a broad energy band, thus providing also unique clues to their emission physics. The XGIS system consists of two independent but identical coded mask cameras, arranged to cover 2 steradians. The XGIS will exploit an innovative technology coupling Silicon Drift Detectors (SDD) with crystal scintillator bars and a very low-noise distributed front-end electronics (ORION ASICs), which will produce a position sensitive detection plane, with a large effective area over a huge energy band (from soft X-rays to soft gamma-rays) with timing resolution down to a few µs. Here is presented an overview of the XGIS instrument design, its configuration, and capabilities.
Conference Name: Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
Conference Place: California, United States
Conference Date: 14-18 December, 2020
URI: http://hdl.handle.net/20.500.12386/31385
URL: https://api.elsevier.com/content/abstract/scopus_id/85099276079
https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11444/2561012/The-X-Gamma-ray-Imaging-Spectrometer-XGIS-on-board-THESEUS/10.1117/12.2561012.full
ISSN: 0277-786X
ISBN: 9781510636750
9781510636767
DOI: 10.1117/12.2561012
Bibcode ADS: 2020SPIE11444E..2KL
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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