eprintid: 1406145
rev_number: 36
eprint_status: archive
userid: 608
dir: disk0/01/40/61/45
datestamp: 2013-09-17 18:54:23
lastmod: 2021-11-29 00:54:16
status_changed: 2018-03-02 15:56:42
type: article
metadata_visibility: show
item_issues_count: 0
creators_name: Symeonidis, M
creators_name: Kartaltepe, J
creators_name: Salvato, M
creators_name: Bongiorno, A
creators_name: Brusa, M
creators_name: Page, MJ
creators_name: Ilbert, O
creators_name: Sanders, D
creators_name: van der Wel, A
title: AGN in dusty hosts: implications for galaxy evolution
ispublished: pub
divisions: UCL
divisions: B04
divisions: C06
divisions: F63
keywords: Science & Technology, Physical Sciences, Astronomy & Astrophysics, galaxies: active, galaxies: evolution, galaxies: starburst, infrared: galaxies, X-rays: galaxies, ACTIVE GALACTIC NUCLEI, WIDE-FIELD SURVEY, SIMILAR-TO 1, COLOR-MAGNITUDE DIAGRAM, X-RAY, COSMOS FIELD, STAR-FORMATION, BLACK-HOLES, XMM-COSMOS, PHOTOMETRIC REDSHIFT
note: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
abstract: We present strong empirical evidence for a physical connection between the occurrence of a starburst (SB) and a luminous active galactic nucleus (AGN) phase. Drawing infrared (IR), X-ray and optically selected samples from COSMOS, we find that the locus of type II AGN hosts in the optical colour–magnitude (U − V/V) and colour–colour (U − V/V − J) space significantly overlaps with that of IR-luminous (LIR > 1010 L⊙) galaxies. Based on our observations, we propose that, when simultaneously building their black hole and stellar masses, type II AGN hosts are located in the same part of colour–colour space as dusty star-forming galaxies. In fact, our results show that IR-luminous galaxies at z < 1.5 are on average three times more likely to host a type II AGN (LX > 1042 erg s−1) than would be expected serendipitously, if AGN and star-formation events were unrelated. In addition, the optical and IR properties of the AGN/SB hybrid systems tentatively suggest that the AGN phase might be coeval with a particularly active phase in a galaxy's star-formation history. Interestingly, we also find a significant fraction of type II AGN hosts offset from the dusty galaxy sequence in colour–colour space, possibly representing a transitional or post-SB phase in galaxy evolution. Our findings are consistent with a scenario whereby AGN play a role in the termination of star formation in massive galaxies.
date: 2013-08-01
date_type: published
publisher: OXFORD UNIV PRESS
official_url: http://dx.doi.org/10.1093/mnras/stt782
vfaculties: VMPS
oa_status: green
full_text_type: pub
language: eng
primo: open
primo_central: open_green
article_type_text: Article
verified: verified_manual
elements_source: Scopus
elements_id: 870852
doi: 10.1093/mnras/stt782
lyricists_name: Page, Mathew
lyricists_name: Symeonidis, Myrto
lyricists_id: MJPAG55
lyricists_id: MSYME08
actors_name: Dewerpe, Marie
actors_id: MDDEW97
actors_role: owner
full_text_status: public
publication: Monthly Notices of the Royal Astronomical Society
volume: 433
number: 2
pagerange: 1015-1022
pages: 8
issn: 0035-8711
citation:        Symeonidis, M;    Kartaltepe, J;    Salvato, M;    Bongiorno, A;    Brusa, M;    Page, MJ;    Ilbert, O;         ... van der Wel, A; + view all <#>        Symeonidis, M;  Kartaltepe, J;  Salvato, M;  Bongiorno, A;  Brusa, M;  Page, MJ;  Ilbert, O;  Sanders, D;  van der Wel, A;   - view fewer <#>    (2013)    AGN in dusty hosts: implications for galaxy evolution.                   Monthly Notices of the Royal Astronomical Society , 433  (2)   pp. 1015-1022.    10.1093/mnras/stt782 <https://doi.org/10.1093/mnras%2Fstt782>.       Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/1406145/1/Page_stt782.pdf