XMM-Newton results on the ultracompact Low Mass X-ray Binary 4U~1850-087 in the Globular Cluster NGC6712Reportar como inadecuado



 XMM-Newton results on the ultracompact Low Mass X-ray Binary 4U~1850-087 in the Globular Cluster NGC6712


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We report on preliminary results from our XMM-Newton observation of the Low Mass X-ray Binary 4U 1850-087, located in the galactic globular cluster NGC 6712. It is an ultracompact binary system, with an orbital period of 20.6 min. In previous low-resolution X-ray observations 4U 1850-087 displayed a soft excess residual around 0.7 keV, possibly indicative of the presence of a high Ne-O ratio. We discuss here our preliminary analysis of high resolution X-ray spectra of 4U1850-087, and timing results.



Autor: L. Sidoli; A. N. Parmar; T. Oosterbroek

Fuente: https://archive.org/







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