University of Oulu

Beatriz Villarroel, Iñigo Imaz, Elisabeta Lusso, Sébastien Comerón, M Almudena Prieto, Paola Marziani, Lars Mattsson, Examining supernova events in Type 1 active galactic nuclei, Monthly Notices of the Royal Astronomical Society, Volume 495, Issue 4, July 2020, Pages 4419–4429,

Examining supernova events in Type 1 active galactic nuclei

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Author: Villarroel, Beatriz1,2; Imaz, Iñigo3; Lusso, Elisabeta4,5;
Organizations: 1Nordita , KTH Royal Institute of Technology and Stockholm University, Roslagstullsbacken 23, SE-106 91 Stockholm, Sweden
2Instituto de Astrofisica de Canarias , Avda Via Lactea S/N, La Laguna, E-38205 Tenerife, Spain
3Department of Physics and Astronomy, Uppsala University , 751 20 Uppsala, Sweden
4Dipartimento di Fisica e Astronomia, Università di Firenze , via G. Sansone 1, I-50019 Sesto Fiorentino, Firenze, Italy
5INAF–Osservatorio Astrofisico di Arcetri , I-50125 Firenze, Italy
6Space Science and Astronomy, University of Oulu , PO Box 3000, FI-90014 Oulu, Finland
7Departamento de Astrofísica , Universidad de La Laguna, E-38205 La Laguna, Tenerife, Spain
8INAF , Osservatorio Astronomico di Padova, 35122 Padova, Italy
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 1.5 MB)
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Language: English
Published: Oxford University Press, 2020
Publish Date: 2020-07-01


A statistical study of intermediate Palomar Transient Factory supernovae (SNe) in Type 1 active galactic nuclei (AGNs) has shown a major deficit of supernovae around Type 1 AGN host galaxies, with respect to Type 2 AGN hosts. The aim of this work is to test whether there is any preference for Type 1 AGNs to host SN of a specific kind. Through the analysis of SN occurrence and their type (thermonuclear versus core-collapse), we can directly link the type of stars producing the SN events, thus this is an indirect way to study host galaxies in Type 1 AGNs. We examine the detection fractions of SNe, the host galaxies and compare the sample properties to typical host galaxies in the Open Supernova Catalog (OSC). The majority of the host galaxies in the AGN sample are late type, similar to typical galaxies hosting SN within the OSC. The findings are supportive of a deficiency of SNe near Type 1 AGNs, although we cannot with certainty assess the overall detection fractions of SNe in Type 1 AGNs relative to other SN host galaxies. We can state that Type 1 AGN has equal detection fractions of thermonuclear versus core-collapse SNe. However, we note the possibility of a higher detection rate of core-collapse supernovae in Type 1 AGN with insecure AGN classifications.

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Series: Monthly notices of the Royal Astronomical Society
ISSN: 0035-8711
ISSN-E: 1365-8711
ISSN-L: 0035-8711
Volume: 495
Issue: 4
Article number: 4419–4429
DOI: 10.1093/mnras/staa1329
Type of Publication: A1 Journal article – refereed
Field of Science: 115 Astronomy and space science
Funding: BV is funded by the Swedish Research Council (Vetenskapsrådet, grant no. 2017-06372). EL was partially supported by a European Union COFUND/Durham Junior Research Fellowship (under EU grant agreement no. 609412) and by an International Engagement Durham University Grant 2018. BV wishes to thank K. Oh for providing an AGN sample with carefully remeasured line widths. She also wishes to thank Anders Nyholm, Joel Johansson, Andreas Korn, Martín López-Corredoira, Martin Sahlen, Martin Ward, and César Franck for fruitful discussions. The CSS survey is funded by the National Aeronautics and Space Administration under Grant No. NNG05GF22G issued through the Science Mission Directorate Near-Earth Objects Observations Program. The CRTS survey is supported by the U.S. National Science Foundation under grants AST-0909182 and AST-1313422. Funding for the Sloan Digital Sky Survey IV has been provided by the Alfred P. Sloan Foundation, the U.S. Department of Energy Office of Science, and the Participating Institutions. SDSS-IV acknowledges support and resources from the Center for High-Performance Computing at the University of Utah. The SDSS web site is SDSS-IV is managed by the Astrophysical Research Consortium for the Participating Institutions of the SDSS Collaboration including the Brazilian Participation Group, the Carnegie Institution for Science, Carnegie Mellon University, the Chilean Participation Group, the French Participation Group, Harvard-Smithsonian Center for Astrophysics, Instituto de Astrofísica de Canarias, The Johns Hopkins University, Kavli Institute for the Physics and Mathematics of the Universe (IPMU)/University of Tokyo, the Korean Participation Group, Lawrence Berkeley National Laboratory, Leibniz Institut für Astrophysik Potsdam (AIP), Max-Planck-Institut für Astronomie (MPIA Heidelberg), Max-Planck-Institut für Astrophysik (MPA Garching), Max-Planck-Institut für Extraterrestrische Physik (MPE), National Astronomical Observatories of China, New Mexico State University, New York University, University of Notre Dame, Observatário Nacional/MCTI, The Ohio State University, Pennsylvania State University, Shanghai Astronomical Observatory, United Kingdom Participation Group, Universidad Nacional Autónoma de México, University of Arizona, University of Colorado Boulder, University of Oxford, University of Portsmouth, University of Utah, University of Virginia, University of Washington, University of Wisconsin, Vanderbilt University, and Yale University.
Copyright information: © 2020 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. All Rights Reserved.