Testing the evolution of correlations between supermassive black holes and their host galaxies using eight strongly lensed quasars

DOI DOI PDF 被引用文献1件 参考文献84件
  • Xuheng Ding
    Department of Physics and Astronomy, University of California, Los Angeles, CA 90095-1547, USA
  • Tommaso Treu
    Department of Physics and Astronomy, University of California, Los Angeles, CA 90095-1547, USA
  • Simon Birrer
    Kavli Institute for Particle Astrophysics and Cosmology and Department of Physics, Stanford University, Stanford, CA 94305, USA
  • Adriano Agnello
    European Southern Observatory, Karl-Schwarzschild-Strasse 2, 85748 Garching, Germany
  • Dominique Sluse
    STAR Institute, Quartier Agora - Allée du six Août, 19c B-4000 Liège, Belgium
  • Chris Fassnacht
    Department of Physics and Astronomy, University of California Davis, 1 Shields Avenue, Davis, CA 95616, USA
  • Matthew W Auger
    Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA
  • Kenneth C Wong
    Kavli IPMU (WPI), UTIAS, University of Tokyo, Kashiwa, Chiba 277-8583, Japan
  • Sherry H Suyu
    Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, 85748 Garching, Germany
  • Takahiro Morishita
    Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
  • Cristian E Rusu
    Department of Physics and Astronomy, University of California Davis, 1 Shields Avenue, Davis, CA 95616, USA
  • Aymeric Galan
    Institute of Physics, Laboratory of Astrophysics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, 1290 Versoix, Switzerland

説明

<jats:title>ABSTRACT</jats:title> <jats:p>One of the main challenges in using high-redshift active galactic nuclei (AGNs) to study the correlations between the mass of a supermassive black hole ($\mathcal {M}_{\rm BH}$) and the properties of its active host galaxy is instrumental resolution. Strong lensing magnification effectively increases instrumental resolution and thus helps to address this challenge. In this work, we study eight strongly lensed AGNs with deep Hubble Space Telescope imaging, using the lens modelling code lenstronomy to reconstruct the image of the source. Using the reconstructed brightness of the host galaxy, we infer the host galaxy stellar mass based on stellar population models. $\mathcal {M}_{\rm BH}$ are estimated from broad emission lines using standard methods. Our results are in good agreement with recent work based on non-lensed AGNs, demonstrating the potential of using strongly lensed AGNs to extend the study of the correlations to higher redshifts. At the moment, the sample size of lensed AGNs is small and thus they provide mostly a consistency check on systematic errors related to resolution for non-lensed AGNs. However, the number of known lensed AGNs is expected to increase dramatically in the next few years, through dedicated searches in ground- and space-based wide-field surveys, and they may become a key diagnostic of black holes and galaxy co-evolution.</jats:p>

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