450 citations · 3.9k across the 70 of their papers we have counts for
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The circum-galactic medium of quasars: CIV absorption systems
M. Landoni, R. Falomo, A. Treves +2
We investigate the properties of the circumgalactic gas in the halo of quasar host galaxies from CIV absorption line systems. Optical spectroscopy of closely aligned pairs of quasa…
The Cluster-Scale Environment of PKS 2155-304
E. P. Farina, M. Fumagalli, R. Decarli +1
PKS 2155-304 is one of the brightest extragalactic source in the X-ray and EUV bands, and is a prototype for the BL Lac class of objects. In this paper we investigate the large-sca…
The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies
MAGIC Collaboration, J. Aleksić, S. Ansoldi +270
We performed a 4.5-month multi-instrument campaign (from radio to VHE gamma rays) on Mrk421 between January 2009 and June 2009, which included VLBA, F-GAMMA, GASP-WEBT, Swift, RXTE…