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  • Articles  (3)
  • BACODINE  (1)
  • Counterparts  (1)
  • Gamma Ray Burst  (1)
  • SPACECRAFT INSTRUMENTATION
  • Space Radiation
  • 1
    Electronic Resource
    Electronic Resource
    BATSE/OSSE rapid burst response (1995)
    Springer
    Astrophysics and space science 231 (1995), S. 127-130 
    Details
    ISSN: 1572-946X
    Keywords: Gamma-ray bursts ; Counterparts ; Instrumentation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The BATSE and OSSE instrument teams have modified flight software to promptly (within 2 min of trigger) slew the OSSE detectors to burst locations determined on-board by BATSE. This enables OSSE to make sensitive searches for prompt and delayed post-burst line and continuum emission above 50 keV. In the best cases our sensitivity will be more than an order of magnitude better than any other search in this energy range. We expect to slew to 1–2 bursts per month, based on the OSSE FOV and BATSE event rate. Detections or limits from continued operation of this system may provide significant constraints on burst models. As an example of the observations made using this system, we present preliminary limits for post-burst emission from GRB 950223 on several time scales.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658601
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Batse spectroscopy detector calibration (1992)
    Springer
    Experimental astronomy 2 (1992), S. 307-330 
    Details
    ISSN: 1572-9508
    Keywords: BATSE Spectroscopy Detector ; Detector Calibration ; Gamma Ray Detector ; Gamma Ray Burst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We describe the channel-to-energy calibration of the Spectroscopy Detectors of the Burst and Transient Source Experiment (BATSE) on the Compton Gamma Ray Observatory (GRO). These detectors consist of NaI(Tl) crystals viewed by photomultiplier tubes whose output in turn is measured by a pulse height analyzer. The calibration of these detectors has been complicated by frequent gain changes and by nonlinearities specific to the BATSE detectors. Nonlinearities in the light output from the NaI crystal and in the pulse height analyzer are shifted relative to each other by changes in the gain of the photomultiplier tube. We present the analytical model which is the basis of our calibration methodology, and outline how the empirical coefficients in this approach were determined. We also describe the complications peculiar to the Spectroscopy Detectors, and how our understanding of the detectors' operation led us to a solution to these problems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00690088
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  • 3
    Electronic Resource
    Electronic Resource
    A search for prompt radio emission from GRBs (1995)
    Springer
    Astrophysics and space science 231 (1995), S. 281-284 
    Details
    ISSN: 1572-946X
    Keywords: GRB radio counterparts ; BACODINE
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Cambridge Low Frequency Synthesis Telescope (CLFST) is being used to search for prompt radio emission from GRBs at 151 MHz. For this search a special observing mode has recently been developed; the antennas of the CLFST are split into seven groups which are spaced about 30° apart. When triggered by the real-time signals from the BACODINE system the antennas are slewed to the GRB position, with data being sampled at 1.5 or 3-s intervals. The antennas slew at about 10° per minute, so that an appreciable fraction of the sky can be accessed on timescales of a few minutes - any prompt radio emission from a GRB might be delayed by this timescale due to propagation effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658632
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    Paper (German National Licenses)
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