Type 2 AGN Host Galaxies in the Chandra-COSMOS Legacy Survey: No Evidence of AGN-driven Quenching

Hyewon Suh; Francesca Civano; Günther Hasinger; Elisabeta Lusso; Giorgio Lanzuisi; Stefano Marchesi; Benny Trakhtenbrot; Viola Allevato; Nico Cappelluti; Peter L Capak; Martin Elvis; Richard E Griffiths; Clotilde Laigle; Paulina Lira; Laurie Riguccini; David J Rosario; Mara Salvato; Kevin Schawinski; Cristian Vignali

doi:10.3847/1538-4357/aa725c

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Type 2 AGN Host Galaxies in the Chandra-COSMOS Legacy Survey: No Evidence of AGN-driven Quenching

Journal article

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Type 2 AGN Host Galaxies in the Chandra-COSMOS Legacy Survey: No Evidence of AGN-driven Quenching

Hyewon Suh, Francesca Civano, Günther Hasinger, Elisabeta Lusso, Giorgio Lanzuisi, Stefano Marchesi, Benny Trakhtenbrot, Viola Allevato, Nico Cappelluti, Peter L Capak, …

The Astrophysical journal, Vol.841(2)

2017-05-31

DOI: https://doi.org/10.3847/1538-4357/aa725c

Abstract

black hole physics

galaxies: active

galaxies: nuclei

quasars: general

We investigate the star formation properties of a large sample of ∼2300 X-ray-selected Type 2 Active Galactic Nuclei (AGNs) host galaxies out to in the Chandra COSMOS Legacy Survey in order to understand the connection between the star formation and nuclear activity. Making use of the existing multi-wavelength photometric data available in the COSMOS field, we perform a multi-component modeling from far-infrared to near-ultraviolet using a nuclear dust torus model, a stellar population model and a starburst model of the spectral energy distributions (SEDs). Through detailed analyses of SEDs, we derive the stellar masses and the star formation rates (SFRs) of Type 2 AGN host galaxies. The stellar mass of our sample is in the range of with uncertainties of ∼0.19 dex. We find that Type 2 AGN host galaxies have, on average, similar SFRs compared to the normal star-forming galaxies with similar Mstellar and redshift ranges, suggesting no significant evidence for enhancement or quenching of star formation. This could be interpreted in a scenario, where the relative massive galaxies have already experienced substantial growth at higher redshift ( ), and grow slowly through secular fueling processes hosting moderate-luminosity AGNs.

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 5 Physics; 5.20 Astronomy & Astrophysics; 5.20.4 Galaxies
Web Of Science research areas: Astronomy & Astrophysics
ESI research areas: Space Science

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Title: Type 2 AGN Host Galaxies in the Chandra-COSMOS Legacy Survey: No Evidence of AGN-driven Quenching
Creators: Hyewon Suh - University of Hawaii Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA
Francesca Civano - Harvard-Smithsonian Center for Astrophysics , Cambridge, MA 02138, USA
Günther Hasinger - University of Hawaii Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA
Elisabeta Lusso - Durham University Centre for Extragalactic Astronomy, Department of Physics, South Road, Durham, DH1 3LE, UK
Giorgio Lanzuisi - INAF Osservatorio Astronomico di Bologna , Via Ranzani 1, I-40127, Bologna, Italy
Stefano Marchesi - Clemson University Department of Physics & Astronomy, Clemson, SC 29634, USA
Benny Trakhtenbrot - Department of Physics Institute for Astronomy, ETH Zurich, Wolfgang-Pauli-Strasse 27, CH-8093 Zurich, Switzerland
Viola Allevato - University of Maryland , Baltimore Country, 1000 Hilltop Circle, Baltimore, MD 21250, USA
Nico Cappelluti - Yale Center for Astronomy and Astrophysics , 260 Whitney Avenue, New Haven, CT 06520, USA
Peter L Capak - California Institute of Technology , 1200 E. California Boulevard, Pasadena, CA, 91125, USA
Martin Elvis - Harvard-Smithsonian Center for Astrophysics , Cambridge, MA 02138, USA
Richard E Griffiths - University of Hawaii at Hilo Department of Physics & Astronomy, 200 W. Kawili Street, Hilo, HI 96720, USA
Clotilde Laigle - UPMC Université Paris 6 et CNRS Sorbonne Universités, UMR 7095, Institut d'Astrophysique de Paris, 98 bis Boulevard Arago, F-75014 Paris, France
Paulina Lira - Universidad de Chile Departmanento de Astronomía, Casilla 36-D, Santiago, Chile
Laurie Riguccini - Universidade Federal do Rio de Janeiro Observatório do Valongo, Ladeira do Pedro Antonio 43, Saúde, Rio de Janeiro, RJ 20080-090, Brazil
David J Rosario - Durham University Centre for Extragalactic Astronomy, Department of Physics, South Road, Durham, DH1 3LE, UK
Mara Salvato - Max-Planck-Institute für Plasma Physics , Boltzmann Strasse 2, D-85748 Garching, Germany
Kevin Schawinski - Department of Physics Institute for Astronomy, ETH Zurich, Wolfgang-Pauli-Strasse 27, CH-8093 Zurich, Switzerland
Cristian Vignali - Università di Bologna Dipartimento di Fisica e Astronomia, viale Berti Pichat 6/2, I-40127 Bologna, Italy
Publication Details: The Astrophysical journal, Vol.841(2)
Publisher: The American Astronomical Society
Number of pages: 11
Academic Unit: College of A&S; A&S - Physics
Language: English
Resource Type: Journal article
Record Identifier: 991031614407302976