Development of a Bowtie Inversion Technique for Real-Time Processing of the GOES-16/-17 SEISS MPS-HI Electron Channels

Boudouridis, A.; Rodriguez, J.V.; Kress, B.T.; Dichter, B.K.; Onsager, T.G.

doi:10.1029/2019SW002403

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Development of a Bowtie Inversion Technique for Real-Time Processing of the GOES-16/-17 SEISS MPS-HI Electron Channels

2020
By Boudouridis, A. ; Rodriguez, J.V. ; Kress, B.T. ; ...
Source: Space Weather, 18, e2019SW002403

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Journal Title:

Space Weather
Personal Author:

Boudouridis, A. ; Rodriguez, J.V. ; Kress, B.T. ; Dichter, B.K. ; Onsager, T.G.

Boudouridis, A. ; Rodriguez, J.V. ; Kress, B.T. ; Dichter, B.K. ; Onsager, T.G. Less -
NOAA Program & Office:

CIRES (Cooperative Institute for Research in Environmental Sciences) ; NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) ; NWS (National Weather Service) ; SWPC (Space Weather Prediction Center)

CIRES (Cooperative Institute for Research in Environmental Sciences) ; NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) ; NWS (National Weather Service) ; SWPC (Space Weather Prediction Center) Less -
Description:

The Space Environment In-Situ Suite on the Geostationary Operational Environmental Satellite (GOES)-R series of satellites includes a new instrument for measuring radiation belt electrons and protons, the Magnetospheric Particle Sensor–High Energy (MPS-HI). The MPS-HI electron channels cover the energy range 50 keV to 4 MeV. The conversion of raw MPS-HI electron telescope counts to fluxes is based on the so-called bowtie technique. The goal of the bowtie analysis is to calculate for each energy channel an energy/geometric factor pair applicable to a wide range of energy spectra and for which the geometric factor error is minimized. Rather than using idealized analytical spectral functions, we use observed high-resolution spectra from the cross-calibrated Combined Release and Radiation Effects Satellite (CRRES) Medium Electron Sensor A and High Energy Electron Fluxmeter data set from the period 1990–1991, restricted to 6 < L < 8. One thousand randomly selected CRRES spectra are used to perform the bowtie analysis and determine the MPS-HI channel energy/geometric factor characteristics. The results are used to convert the GOES-16/-17 MPS-HI electron counts to fluxes. The same bowtie technique is used to calculate effective energies and geometric factors for the GOES-13/-14 Magnetospheric Electron Detector ME1-ME5 (30–600 keV) electron channels. We compare the fluxes from the various spacecraft (GOES-16/-13, GOES-17/-14, and GOES-16/-17) over periods of several months to determine the applicability and utility of the bowtie analysis. Finally, we compare the GOES-16/-13 fluxes during 22 days of near conjunction. All comparisons show good agreement among the various satellite data sets.
Keywords:

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Bowtie Analysis Electron Channel Calibration GOES-R Satellite Series Space Weather Alerts
Source:

Space Weather, 18, e2019SW002403
DOI:

https://doi.org/10.1029/2019SW002403
Document Type:

Journal Article
Funding:

Grant no. NA15OAR4320137 ; Grant no. NA17OAR4320101

Grant no. NA15OAR4320137 ; Grant no. NA17OAR4320101 Less -
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CC BY
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Submitted
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urn:sha256:2d7722dbad985555781a9120782ee55cd7141e0362ca7635a48784b30552cb65
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https://repository.library.noaa.gov/view/noaa/31903/noaa_31903_DS1.pdf
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Development of a Bowtie Inversion Technique for Real-Time Processing of the GOES-16/-17 SEISS MPS-HI Electron Channels

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