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A Multi-wavelength MOCASSIN Model of the Magellanic-type Galaxy NGC 4449
O. Ł. Karczewski, M. J. Barlow, M. J. Page +1
We use the photoionisation and dust radiative transfer code MOCASSIN to create a model of the dwarf irregular galaxy NGC 4449. The best-matching model reproduces the global optical…
Averaging the AGN X-ray spectra from deep Chandra fields
S. Falocco, F. J. Carrera, A. Corral +5
The X-ray spectra of Active Galactic Nuclei (AGN) carry the signatures of the emission from the central region, close to the Super Massive Black Hole (SMBH). For this reason, the s…
The nature of X-ray absorbed QSOs
M. J. Page, F. J. Carrera, J. A. Stevens +2
There exists a significant population of broad line, z~2 QSOs which have heavily absorbed X-ray spectra. Follow up observations in the submillimetre show that these QSOs are embedd…
The X-ray spectral properties of the AGN population in the XMM-Newton bright serendipitous survey
A. Corral, R. Della Ceca, A. Caccianiga +5
We present here a detailed X-ray spectral analysis of the AGN belonging to the XMM-Newton bright survey (XBS) that comprises more than 300 AGN up to redshift ~ 2.4. We performed an…
An Updated Ultraviolet Calibration for the Swift/UVOT
A. A. Breeveld, W. Landsman, S. T. Holland +3
We present an updated calibration of the Swift/UVOT broadband ultraviolet (uvw1, uvm2, and uvw2) filters. The new calibration accounts for the ~1% per year decline in the UVOT sens…