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The discovery of a massive white dwarf in the peculiar binary system HD 49798/RX J0648.0-4418
S. Mereghetti, A. Tiengo, P. Esposito +3
An XMM-Mewton observation performed in May 2008 has confirmed that the 13 seconds pulsations in the X-ray binary HD 49798/RX J0648.0-4418 are due to a rapidly rotating white dwarf.…
XMM-Newton observation of the persistent Be/NS X-ray binary pulsar RX J1037.5-5647 in a low luminosity state
N. La Palombara, L. Sidoli, P. Esposito +2
The spectra of several X-ray binary pulsars display a clear soft excess, which in most cases can be described with a blackbody model, above the main power-law component. While in t…
A low luminosity state in the massive X-ray binary SAX J0635+0533
Sandro Mereghetti, Nicola La Palombara
The X-ray pulsar SAX J0635+0533 was repeatedly observed with the XMM-Newton satellite in 2003-2004. The precise localization provided by these observations confirms the association…
A Deep XMM-Newton Serendipitous Survey of a middle-latitude area. II. New deeper X-ray and optical observations
G. Novara, N. La Palombara, R. P. Mignani +4
The radio-quiet neutron star 1E1207.4-5209 has been the target of several XMM-Newton observations, with a total exposure of ~350 ks. The source is located at intermediate galactic…