Spectral Analysis of GRBs Measured by RHESSI
C. Wigger, W. Hajdas, A. Zehnder, K. Hurley, E. Bellm, S. Boggs, M., Bandstra, D.M. Smith
TL;DR
This paper analyzes the spectral data of Gamma Ray Bursts measured by the RHESSI satellite, comparing results with other instruments to enhance understanding of GRB spectra across a broad energy range.
Contribution
It introduces a new spectral analysis method for RHESSI GRB data and compares its results with Swift and Konus observations.
Findings
RHESSI effectively measures GRB spectra from 40 keV to 17 MeV.
Preliminary spectral fits show consistency with other instruments.
The method improves spectral analysis accuracy for high-energy GRBs.
Abstract
The Ge spectrometer of the RHESSI satellite is sensitive to Gamma Ray Bursts (GRBs) from about 40 keV up to 17 MeV, thus ideally complementing the Swift/BAT instrument whose sensitivity decreases above 150 keV. We present preliminary results of spectral fits of RHESSI GRB data. After describing our method, the RHESSI results are discussed and compared with Swift and Konus.
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Taxonomy
TopicsGamma-ray bursts and supernovae · Astro and Planetary Science · Astronomy and Astrophysical Research