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XMM-Newton observations of the ultra-compact binary RX J1914+24
Gavin Ramsay, Pasi Hakala, Kinwah Wu +4
We present XMM-Newton observations of the 569 sec period system RX J1914+24 (V407 Vul). This period is believed to represent the binary orbital period making it an ultra-compact bi…
Spectroscopic survey of the Galaxy with Gaia I. Design and performance of the Radial Velocity Spectrometer
D. Katz, U. Munari, M. Cropper +22
The definition and optimisation studies for the Gaia satellite spectrograph, the Radial Velocity Spectrometer (RVS), converged in late 2002 with the adoption of the instrument base…
The star-forming environment of a ULX in NGC 4559: an optical study
Roberto Soria, Mark Cropper, Manfred Pakull +2
We have studied the candidate optical counterparts and the stellar population in the star-forming complex around a bright ULX in NGC4559, using HST/WFPC2, XMM-Newton/OM, and ground…
XMM-Newton observations of the eclipsing polar EP Dra
Gavin Ramsay, C. M. Bridge, Mark Cropper +3
We present XMM-Newton observations of the eclipsing polar EP Dra which cover nearly 3 binary orbital cycles. The X-ray and UV data show evidence for a prominent dip before the ecli…
The isolated neutron star X-ray pulsars RX J0420.0-5022 and RX J0806.4-4123: new X-ray and optical observations
F. Haberl, C. Motch, V. E. Zavlin +6
We report on the analysis of new X-ray data obtained with XMM-Newton and Chandra from two ROSAT-discovered X-ray dim isolated neutron stars. RX J0806.4-4123 was observed with XMM-N…
The Swift Gamma-Ray Burst Mission
N. Gehrels, G Chincarini, P. Giommi +12
The Swift mission, scheduled for launch in early 2004, is a multiwavelength observatory for gamma-ray burst (GRB) astronomy. It is the first-of-its-kind autonomous rapid-slewing sa…