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All-Sky Earth Occultation Observations with the Fermi Gamma-Ray Burst MonitorUsing the Gamma Ray Burst Monitor (GBM) on-board Fermi, we are monitoring the hard X-ray/ soft gamma ray sky using the Earth occultation technique. Each time a source in our catalog is occulted by (or exits occultation by) the Earth, we measure its flux using the change in count rates due to the occultation. Currently we are using CTIME data with 8 energy channels spanning 8 keV to 1 MeV for the GBM NaI detectors and spanning 150 keV to 40 MeV for the GBM BGO detectors. Our preliminary catalog consists of galactic X-ray binaries, the Crab Nebula, and active galactic nuclei. In addition, to Earth occultations, we have observed numerous occultations with Fermi's solar panels.
Document ID
20100003191
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Wilson-Hodge, C. A.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Beklen, E.
(Middle East Technical Univ. Turkey)
Bhat, P. N.
(Alabama Univ. Huntsville, AL, United States)
Briggs, M.
(Alabama Univ. Huntsville, AL, United States)
Camero-Arranz, A.
(National Space Science and Technology Center Huntsville, AL, United States)
Case, G.
(Louisiana State Univ. LA, United States)
Jenke, P.
(Universities Space Research Association United States)
Chaplin, V.
(Alabama Univ. Huntsville, AL, United States)
Cherry, M.
(Louisiana State Univ. LA, United States)
Connaughton, V.
(Alabama Univ. Huntsville, AL, United States)
Finger, M.
(Universities Space Research Association United States)
Haynes, R. H.
(National Academy of Sciences - National Research Council Huntsville, AL, United States)
Preece, R.
(National Space Science and Technology Center Huntsville, AL, United States)
Rodi, J.
(Louisiana State Univ. LA, United States)
Date Acquired
August 25, 2013
Publication Date
November 2, 2009
Subject Category
Astronomy
Report/Patent Number
M10-0041
M09-0798
M10-0196
Meeting Information
Meeting: Fermi Symposium
Location: Washington, DC
Country: United States
Start Date: November 2, 2009
End Date: November 5, 2009
Distribution Limits
Public
Copyright
Public Use Permitted.
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