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The possible detection of iron line emission from Sco X-1

Published online by Cambridge University Press:  14 August 2015

S. S. Holt ,
E. A. Boldt  and
P. J. Serlemitsos
S. S. Holt
Affiliation:
NASA, Goddard Space Flight Center, Greenbelt, Md., U.S.A.
E. A. Boldt
Affiliation:
NASA, Goddard Space Flight Center, Greenbelt, Md., U.S.A.
P. J. Serlemitsos
Affiliation:
NASA, Goddard Space Flight Center, Greenbelt, Md., U.S.A.

Abstract

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A rocket-borne measurement carried out on March 3, 1969 has yielded a net (dead-time-corrected) exposure of 104 cm2 sec to the differential spectrum of X-radiation from Sco X-1. The data are fully consistent with radiation from an optically thin thermal source, even to the extent that K-emission from high ionization states of iron appears to be present. Such iron emission is consistent with cosmic abundance at the measured temperature.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 37: Non-Solar X- and Gamma-Ray Astronomy , 1970 , pp. 138 - 143
Copyright
Copyright © Reidel 1970 

References

Boldt, E. A., Desai, U. D., and Holt, S. S.: 1969, Astrophys. J. 156, 427.CrossRefGoogle Scholar
Fritz, G., Meekins, J. F., Henry, R. C., and Friedman, H.: 1969, Astrophys. J. 156, L33.Google Scholar
Holt, S. S., Boldt, E. A., and Serlemitsos, P. J.: 1968, Astrophys. J. 154, L137.Google Scholar
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