The Narrow Field Telescope on board the ASTENA mission

E. Virgilli*, F. Frontera, E. Caroli, J. B. Stephen, N. Auricchio, P. Rosati, V. Carassiti, S. Squerzanti, C. Guidorzi, L. Bassani, R. Campana, F. Fuschino, R. Gilli, C. Labanti, A. Malizia, M. Orlandini, L. Amati, S. DelSordo, G. Stratta, G. GhirlandaI. Kuvvetli, S. Brandt, C. Budtz-Jørgensen, R. M. Curado Da Silva, M. Moita, J. M. Maia, P. Laurent

*Corresponding author for this work

    Research output: Contribution to journalConference articleResearchpeer-review


    The ASTENA mission concept consists of a broad band Wide Field Monitor Imager and Spectrometer and a broad band Narrow Field Telescope. The latter is a Laue lens (∼3 m diameter, 20 m focal length) sensitive to the 50 - 600 keV energy pass-band made of Silicon and Germanium cylindrical bent crystals. Such crystals allow the radiation to be focused into a narrow point spread function never achieved so far. In the presented configuration the instrument field of view is ∼ 4 arcmin with angular resolution of ∼30 arcsec. The Laue lens is coupled with a high efficiency (>80% above 600 keV) focal plane position sensitive detector, with 3D spatial resolution of 300 μm in the (X,Y) plane, fine spectroscopic response (1% at 511 keV) and polarization sensitivity. In this paper we present an overview on the satellite configuration and we mainly focus on the Narrow Field Telescope design and performances estimated with Monte Carlo simulations.

    Original languageEnglish
    JournalMemorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society
    Issue number1-2
    Pages (from-to)252-255
    Publication statusPublished - 2019
    Event12th INTEGRAL conference, 1st AHEAD Gamma-Ray Workshop : INTEGRAL looks AHEAD to Multimessenger astronomy - Campus Biotech, 9 Chemin des Mines, Geneva, Switzerland
    Duration: 11 Feb 201915 Feb 2019


    Conference12th INTEGRAL conference, 1st AHEAD Gamma-Ray Workshop
    LocationCampus Biotech, 9 Chemin des Mines
    Internet address


    • GRBs
    • Hard X-/soft gamma-rays
    • Instrumentation: focusing telescopes
    • Nuclear astrophysics


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