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High resolution X-ray spectroscopy of the Seyfert 1 Mrk841: insights into the warm absorber and warm emitter
A. L. Longinotti, E. Costantini, P. O. Petrucci +6
The Seyfert 1 galaxy Mrk841 was observed five times between 2001 and 2005 by the XMM-Newton X-ray observatory. The source is well known for showing spectral complexity in the varia…
The soft X-ray polarization in obscured AGN
Stefano Bianchi, Giorgio Matt, Francesco Tamborra +3
The soft X-ray emission in obscured active galactic nuclei (AGN) is dominated by emission lines, produced in a gas photoionized by the nuclear continuum and likely spatially coinci…
CAIXA: a Catalogue of AGN In the XMM-Newton Archive II. Multiwavelength correlations
Stefano Bianchi, Nuria Fonseca Bonilla, Matteo Guainazzi +2
We presented CAIXA, a Catalogue of AGN in the XMM-Newton Archive, in a companion paper. Here, a systematic search for correlations between the X-ray spectral properties and the mul…
A relativistically smeared spectrum in the neutron star X-ray Binary 4U 1705-44: Looking at the inner accretion disc with X-ray spectroscopy
T. Di Salvo, A. D'Ai', R. Iaria +9
Iron emission lines at 6.4-6.97 keV, identified with fluorescent Kalpha transitions, are among the strongest discrete features in the X-ray band. These are therefore one of the mos…
CAIXA: a Catalogue of AGN In the XMM-Newton Archive - Correlations
Stefano Bianchi, Nuria Fonseca Bonilla, Matteo Guainazzi +2
We presented CAIXA, a Catalogue of AGN in the XMM-Newton Archive, in Bianchi et al. (2009). It consists of all the radio-quiet X-ray unobscured (N cm$^{…
Suzaku observation of the Phoenix Galaxy
G. Matt, S. Bianchi, H. Awaki +5
In recent years, several Seyfert 2 galaxies have been discovered that change state when observed in X-rays a few years apart, switching from Compton-thin to reflection-dominated or…