B-MINE, the balloon-borne microcalorimeter nuclear line explorer

E. Silver, H. Schnopper, C. Jones, W. Forman, S. Bandler, S. Murray, S. Romaine, P. Slane, J. Grindlay, N. Madden, J. Beeman, E.E. Haller, D. Smith, S. Woosley, R. Diehl, G. Tucker, J. Fabregat, V. Reglero, M. Barbera, A. ColluraFinn Erland Christensen, B. Ramsey, A. Gimenez, J.E. Trumper, H.D. Tananbaum

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    B-MINE is a concept for a balloon mission designed to probe the deepest regions of a supernova explosion by detecting 44Ti emission at 68 keV with spatial and spectral resolutions that are sufficient to determine the extent and velocity distribution of the 44Ti emitting region. The payload introduces the concept of focusing optics and microcalorimeter spectroscopy to nuclear line emission astrophysics. B-MINE has a thin, plastic foil telescope multilayered to maximize the reflectivity in a 20 keV band centered at 68 keV and a microcalorimeter array optimized for the same energy band. This combination provides a reduced background, an energy resolution of 50 eV and a 3σ sensitivity in 106 s of 3.3 × 10-7 ph cm-2 s-1 at 68 keV. During the course of a long duration balloon flight. B-MINE could carry out a detailed study of the 44Ti emission line centroid and width in CASA.
    Original languageEnglish
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume4851
    Pages (from-to)905-912
    ISSN0277-786X
    DOIs
    Publication statusPublished - 2002
    EventSPIE conference: Astronomical Telescopes and Instrumentation 2002 - Waikoloa, United States
    Duration: 22 Aug 200228 Aug 2002

    Conference

    ConferenceSPIE conference: Astronomical Telescopes and Instrumentation 2002
    Country/TerritoryUnited States
    CityWaikoloa
    Period22/08/200228/08/2002
    OtherProc. volume 4851

    Keywords

    • Astronomy
    • Balloons
    • Calorimeters
    • X ray optics
    • Telescopes
    • T
    • X

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