Abstract
view Abstract Citations (17) References (4) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS On X-Ray Line Emission from Scorpius XR-1 Fritz, G. ; Meekins, J. F. ; Henry, R. C. ; Friedman, H. Abstract A high-sensitivity measurement of Scorpius XR-1 made with a proportional counter gave no positive indication of line emission near 7 keV. It is shown that the energy in the iron line emission must be less than 5 per cent of that in the continuum between 1.5 and 6 keV. This limit rejects a theoretical thermal- plasma model derived for a low-mass supernova but does not exclude models derived for normal cosmic abundance or a high-mass supernova Publication: The Astrophysical Journal Pub Date: April 1969 DOI: 10.1086/180343 Bibcode: 1969ApJ...156L..33F full text sources ADS |
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