Galactic Cosmic Ray Energy Spectrum for Fe from ~0.8 to ~10 GeV/nuc with the SuperTIGER Instrument

Creators: Labrador, A. W.; Binns, W. R.; Bose, R. G.; Brandt, T. J.; Dowkontt, P. F.; Hams, T.; Israel, M. H.; Link, J. T.; Mewaldt, R. A.; Mitchell, J. W.; Murphy, R. P.; Rauch, B. F.; Sakai, K.; Sasaki, M.; Stone, E. C.; Waddington, C. J.; Ward, J. E.; Wiedenbeck, M. E.

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Abstract

SuperTIGER (Trans-Iron Galactic Element Recorder) is a large-area balloon-borne instrument built to measure the galactic cosmic-ray abundances of elements from Z=10 (Ne) through Z=56 (Ba) at energies from 0.8 to ~10 GeV/nuc. SuperTIGER successfully flew around Antarctica for a record-breaking 55 days, from December 8, 2012 to February 1, 2013. In this paper, we present results of an analysis of the data taken during the flight for Fe (Z=26). We report on energy calibrations and instrumental and atmospheric corrections to obtain cosmic ray intensities vs. energy, and we will compare selected SuperTIGER galactic cosmic ray Fe spectrum with those from ACE/SIS during the time of the SuperTIGER flight.

Additional Information

Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. This work was supported by NASA under grants NNX09AC17G NNX09AC18G, NNX14AB24G, NNX14AB25G, and NNX15AC15G, by the Peggy and Steve Fossett Foundation, and by the McDonnell Center for the Space Sciences at Washington University in St. Louis. We thank the ACE/CRIS instrument team and the ACE Science Center for providing ACE data.

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