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Preprint 11i/04


Spectral Analysis of Super Soft X-ray Sources: V4743 Sagittarii

T. Rauch (1,2), M. Orio (3,4), R. Gonzales-Riestra (5), M. Still (6)

(1) Dr.-Remeis-Sternwarte, 96049 Bamberg, Germany
(2) Institut für Astronomie und Astrophysik, 72076 Tübingen, Germany
(3) INAF, Osservatorio Astronomico di Torino, 10025 Pino Torinese, Italy
(4) Department of Astronomy, University of Wisconsin, Madison, WI, U.S.A.
(5) XMM-Newton Science Operations Centre, 28080 Madrid, Spain
(6) NASA/GSFC, Greenbelt, MD, U.S.A.

To be published in: 14th European Workshop on White Dwarfs, eds. D. Koester, S. Moehler, ASP Conf. Ser.

Abstract. Half a year after its outburst, the nova V4743 Sgr evolved into the brightest super-soft X-ray source in the sky with a flux maximum around 30A, exhibiting resonance lines of C V, C VI, N VI, N VII, and O VII. We present preliminary results of an analysis of the XMM-Newton RGS spectra by means of NLTE model-atmosphere techniques.
 

Preprint (145 kb PDF file including figures)
Astrophysics (astro-ph): astro-ph/0410700


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