X-shooter observations of QSO pairs
Guido Cupani (1), Valentina D'Odorico (1), Stefano Cristiani (1 and, 2), Matteo Viel (1), Eros Vanzella (1) ((1) INAF-OATs, Trieste, Italy, (2), INFN/National Institute of Nuclear Physics, Trieste, Italy)
TL;DR
This paper presents X-shooter spectra of four quasar pairs, highlighting their use in studying the intergalactic medium and quasar radiative feedback in both line-of-sight and transverse directions.
Contribution
It provides new spectroscopic data of quasar pairs and discusses the impact of close foreground quasars on observed spectra.
Findings
Spectra of four quasar pairs obtained with X-shooter.
Analysis of two spectra influenced by nearby foreground quasars.
Insights into quasar radiative feedback effects.
Abstract
Observations of quasar pairs represent a powerful tool in the study of the intergalactic medium, providing in particular information on the quasar radiative feedback not only along the line of sight, but also in the transverse direction. In this paper, we present the spectra of the four quasar pairs we observed so far with X-shooter, and we discuss two individual spectra affected by the presence of a close quasar in the foreground.
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