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The cosmic evolution of quasar host galaxies
R. Falomo, J. K. Kotilainen, C. Pagani +2
We present near-infrared imaging of the host galaxies of 17 quasars in the redshift range 1 < z < 2, carried out at the ESO VLT UT1 8m telescope under excellent seeing conditions (…
A view of PKS 2155-304 with XMM-Newton Reflection Grating Spectrometers
I. Cagnoni, F. Nicastro, L. Maraschi +2
We present the high resolution X-ray spectrum of the BL Lac object PKS 2155-304 taken with the RGS units onboard XMM-Newton in November 2000. We detect a OVII Kalpha resonant absor…
The Ultraluminous X-ray Source NGC 1313 X-2 (MS 0317.7-6647) and its Environment
L. Zampieri, P. Mucciarelli, R. Falomo +5
We present new optical and {\it Chandra} observations of the field containing the ultraluminous X-ray source NGC 1313 X-2. On an ESO 3.6 m image, the {\it Chandra} error box embrac…
Optical Counterpart of The Ultraluminous X-ray Source NGC 1313 X-2
L. Zampieri, P. Mucciarelli, R. Falomo +5
We present new optical and {\it Chandra} observations of the field containing the ultraluminous X-ray source NGC1313 X-2. On an ESO 3.6 m image, the {\it Chandra} error box embrace…
The last Gift of BeppoSAX: PDS Observations of the two Blazars 1ES 0507-040 and PKS 1229-021
L. Chiappetti, G. Ghisellini, L. Maraschi +4
Towards the end of the BeppoSAX mission, the only operated Narrow Field Instrument was the PDS, which covers the energy range 13-300 keV. Two blazars, 1ES 0507-040 (z=0.304) and PK…
Host Galaxies of low z Radio-loud Quasars: A search of HST archives
C. Pagani, R. Falomo, A. Treves
We searched the HST archives for unpublished WFPC2 images of low redshift (z<0.5) radio loud quasars (RLQ). This led to the identification of 11 objects. We present here the result…