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Observations of the galactic center with the GSFC low-energy gamma-ray spectrometer - Preliminary resultsThe results of measurements made of the gamma ray emission originating from the galactic center are reviewed. The data were gathered with balloon borne gamma ray spectrometers, with the scans centering on 511 keV. Minimum Chi-sq fits were calculated for the recorded emissions, assuming a constant source modulated by the detector response and superimposed on a constant background. A time history of the 511 keV line intensity demonstrated variability in the feature, whereas the continuum spectrum showed a high correlation with previous measurements. An excess in the continuum just below the 511 keV line was taken as an indication of positronium formation.
Document ID
19830059475
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Paciesas, W. S.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Tueller, J.
(NASA Goddard Space Flight Center Greenbelt; Maryland, University, College Park, MD, United States)
Cline, T. L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Teegarden, B. J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Durouchoux, P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hameury, J. M.
(Commissariat al'Energie Atomique, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette Essonne, France)
Date Acquired
August 11, 2013
Publication Date
January 1, 1982
Subject Category
Astronomy
Meeting Information
Meeting: The galactic center; Proceedings of the Workshop, Pasadena
Location: Pasadena, CA
Start Date: January 7, 1982
End Date: January 8, 1982
Accession Number
83A40693
Distribution Limits
Public
Copyright
Other

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