45 citations · 83 across the 4 of their papers we have counts for
8 papers
The circum-galactic medium of quasars: transverse and line-of-sight absorptions
Angela Sandrinelli, Renato Falomo, Aldo Treves +2
Quasar projected pairs (QPPs) can be used for investigating the circumgalactic medium of quasars through the study of intervening absorption lines in the spectrum of the background…
Looking at Blazar Light Curve Periodicities with Gaussian Processes
Stefano Covino, Marco Landoni, Angela Sandrinelli +1
Temporal analysis of blazar flux is a powerful tool to draw inferences about the emission processes and physics of these sources. In the most general case, the available light curv…
Do BL Lac Objects and FR I radiogalaxies inhabit the same galaxy environment?
A. Sandrinelli, R. Falomo, A. Treves
We investigate the environments of galaxies around BL Lac objects and FR I radiogalaxies, the alleged parent populations of misaligned sources. We compare the environment of a samp…
Gamma-ray quasi-periodicities of blazars. A cautious approach
Stefano Covino, Angela Sandrinelli, Aldo Treves
The availability of about a decade of uninterrupted sky monitoring by the Fermi satellite has made possible to study long-term quasi-periodicities for high-energy sources. It is th…
Pulsar Timing Constraints on the Fermi Massive Black-Hole Binary Blazar Population
A. Miguel Holgado, Alberto Sesana, Angela Sandrinelli +4
Blazars are a sub-population of quasars whose jets are nearly aligned with the line-of-sight, which tend to exhibit multi-wavelength variability on a variety of timescales. Quasi-p…
Detection of persistent VHE gamma-ray emission from PKS 1510-089 by the MAGIC telescopes during low states between 2012 and 2017
MAGIC Collaboration, V. A. Acciari, S. Ansoldi +165
PKS 1510-089 is a flat spectrum radio quasar strongly variable in the optical and GeV range. We search for low-state VHE gamma-ray emission from PKS 1510-089. We aim to characteriz…