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Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 1(468), p. 2-46

DOI: 10.1093/mnras/stx307

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The dusty tori of nearby QSOs as constrained by high-resolution mid-IR observations

Journal article published in 2017 by M. Martínez-Paredes, I. Aretxaga, A. Alonso-Herrero, O. González-Martín, E. Lopéz-Rodríguez, C. Ramos Almeida, C. Ramos Almeida, A. Asensio Ramos, A. Asensio Ramos, T. Diaz Santos, T. Diaz Santos, M. Elitzur, P. Esquej, A. Hernan-Caballero, K. Ichikawa and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We present mid-infrared (MIR, 7.5-13.5 $μ$m) imaging and spectroscopy observations obtained with the CanariCam (CC) instrument on the 10.4m Gran Telescopio CANARIAS for a sample of 20 nearby, MIR bright and X-ray luminous QSOs. We find that for the majority of QSOs the MIR emission is unresolved at angular scales nearly 0.3 arcsec, corresponding to physical scales $ 2$ per cent) and low geometrical covering factors ($f_{2}