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Massive star formation in the central regions of spiral galaxies
J. H. Knapen, L. M. Mazzuca, T. Boeker +4
Context: The morphology of massive star formation in the central regions of galaxies is an important tracer of the dynamical processes that govern the evolution of disk, bulge, and…
XMM-Newton observations of the sigma Ori cluster. II. Spatial and spectral analysis of the full EPIC field
E. Franciosini, R. Pallavicini, J. Sanz-Forcada
We present the results of an XMM-Newton observation of the young (~2-4 Myr) cluster around the hot star sigma Orionis. In a previous paper we presented the analysis of the RGS spec…
Spectral changes during dipping in low-mass X-ray binaries due to highly-ionized absorbers
M. Diaz Trigo, A. N. Parmar, L. Boirin +2
X-ray observations have revealed that many microquasars and low-mass X-ray binaries (LMXBs) exhibit narrow absorption features identified with resonant absorption from Fe XXV and F…
X-rays from Alpha Centauri - The darkening of the solar twin
J. Robrade, J. H. M. M. Schmitt, F. Favata
We present first results from five XMM-Newton observations of the binary system Alpha Centauri, which has been observed in snapshot like exposures of roughly two hours each during…
XMM-Newton EPIC background modeling for extended sources
J. Nevalainen, M. Markevitch, D. Lumb
We use XMM-Newton blank-sky and closed-cover background data to explore the background subtraction methods for large extended sources filling the EPIC field of view, such as nearby…
High-speed, energy-resolved, STJ observations of the AM Her system V2301 Oph
A. P. Reynolds, G. Ramsay, J. H. J. de Bruijne +4
We present high time-resolution optical energy-resolved photometry of the eclipsing cataclysmic variable V2301 Oph made using the ESA S-Cam detector, an array of photon counting su…