Cluster iron lines and the X-ray spectrum of SC 0627-544

Details Cluster iron lines and the X-ray spectrum of SC 0627-544 Cluster iron lines and the X-ray spectrum of SC 0627-544

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.187p..17b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 187, Apr. 1979, p. 17P-21P.

Astronomy and Astrophysics

Astronomy

8

Astronomical Spectroscopy, Galactic Clusters, Iron, Line Spectra, X Ray Spectra, Abundance, Emission Spectra, Proportional Counters, Satellite-Borne Instruments, Spectrometers, X Ray Sources

Scientific paper

Further observations with the MSSL proportional counter spectrometer on the Ariel V satellite have led to the detection (at a confidence level of at least 99 per cent) of a highly ionized iron emission feature in the spectrum of the southern cluster SC 0627-544. The data obtained are compared with previous observations of this source made by the Goddard Space Flight Center's instrument on OSO-8. Iron emission feature detections with greater than 99 per cent confidence levels have now been made for five clusters of galaxies. A value of cluster iron abundance is deduced from these data.

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