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First XMM-Newton observations of strongly magnetic cataclysmic variables - II. Timing studies of DP Leo and WW Hor
Dirk Pandel, France A. Cordova, Robert E. Shirey +5
XMM-Newton was used to observe two eclipsing, magnetic cataclysmic variables, DP Leo and WW Hor, continuously for three orbital cycles each. Both systems were in an intermediate st…
The central region of M31 observed with XMM-Newton (I. Group properties and diffuse emission)
R. Shirey, R. Soria, K. Borozdin +13
We present the results of a study based on an XMM-Newton Performance Verification observation of the central 30 arcmin of the nearby spiral galaxy M31. In the 34-ks European Photon…
The XMM-Newton Optical/UV Monitor Telescope
K. O. Mason, A. A. Breeveld, R. Much +16
The XMM-OM instrument extends the spectral coverage of the XMM-Newton observatory into the ultraviolet and optical range. It provides imaging and time-resolved data on targets simu…
XMM-Newton observations of NGC 253: Resolving the emission components in the disk and nuclear area
W. Pietsch, T. P. Roberts, M. J. Freyberg +11
The high XMM-Newton throughput allows a detailed investigation of the spatial, spectral and variability properties of the extended and point source emission of the starburst galaxy…
Scattering and Iron Fluorescence Revealed During Absorption Dips in Circinus X-1
Robert E. Shirey, Alan M. Levine, Hale V. Bradt
We show that dramatic spectral evolution associated with dips occurring near phase zero in RXTE observations of Cir X-1 is well-fit by variable and at times heavy absorption (N_H >…
The Complete "Z" Track of Circinus X-1
Robert E. Shirey, Hale V. Bradt, Alan M. Levine
We carried out an extensive RXTE campaign, in 1997 June, to study Circinus X-1 during the active portion of its 16.55-d intensity cycle. The observations spanned 10 days, including…