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XMM-Newton results on the ultracompact Low Mass X-ray Binary 4U~1850-087 in the Globular Cluster NGC6712 | | L. Sidoli
; A.N.Parmar
; T.Oosterbroek
; | | Date: |
2 Apr 2004 | | Subject: | astro-ph | | Affiliation: | IASF, Milano, Italy), A.N.Parmar (ESA/ESTEC, Noordwijk, The Netherlands), T.Oosterbroek (ESA/ESTEC, Noordwijk, The Netherlands | | Abstract: | 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. | | Source: | arXiv, astro-ph/0404039 | | Services: | Forum | Review | PDF | Favorites | |
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