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Significant Suppression of Star Formation in Radio-quiet AGN Host Galaxies with Kiloparsec-scale Radio Structures
Indexado
WoS WOS:000592076300001
Scopus SCOPUS_ID:85097479997
DOI 10.3847/1538-4357/ABC3C4
Año 2020
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



We conducted 22 GHz 1 '' Jansky Very Large Array imaging of 100 radio-quiet X-ray-selected active galactic nuclei (AGN) from the Swift-Burst Array Telescope (Swift-BAT) survey. We find AGN-driven kiloparsec-scale radio structures inconsistent with pure star formation in 11 AGN. The host galaxies of these AGN lie significantly below the star-forming main sequence, indicating suppressed star formation. While these radio structures tend to be physically small compared to the host galaxy, the global star formation rate of the host is affected. We evaluate the energetics of the radio structures interpreted first as immature radio jets, and then as consequences of an AGN-driven radiative outflow, and compare them to two criteria for successful feedback: the ability to remove the CO-derived molecular gas mass from the galaxy gravitational potential and the kinetic energy transfer to molecular clouds leading to v(cloud) > sigma(*). In most cases, the jet interpretation is insufficient to provide the energy necessary to cause the star formation suppression. Conversely, the wind interpretation provides ample energy in all but one case. We conclude that it is more likely that the observed suppression of star formation in the global host galaxy is due to interstellar medium interactions of a radiative outflow, rather than a small-scale radio jet.

Revista



Revista ISSN
Astrophysical Journal 0004-637X

Métricas Externas



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Disciplinas de Investigación



WOS
Astronomy & Astrophysics
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Smith, Krista Lynne Mujer Southern Methodist Univ - Estados Unidos
Universidad de Stanford - Estados Unidos
Stanford University - Estados Unidos
Southern Methodist University - Estados Unidos
2 Koss, Michael J. Hombre Eureka Sci - Estados Unidos
Eureka Scientific, Inc. - Estados Unidos
3 Mushotzky, Richard F. Hombre UNIV MARYLAND - Estados Unidos
University of Maryland - Estados Unidos
University of Maryland, College Park - Estados Unidos
4 Wong, Ivy - CSIRO Astron & Space Sci - Australia
Univ Western Australia - Australia
CSIRO Astronomy and Space Science - Australia
The University of Western Australia - Australia
Commonwealth Scientific and Industrial Research Organisation - Australia
5 Shimizu, Taro Hombre Max Planck Inst Extraterr Phys - Alemania
Max Planck Institute for Extraterrestrial Physics - Alemania
6 Ricci, C. Hombre Universidad Diego Portales - Chile
Peking Univ - China
George Mason Univ - Estados Unidos
Peking University - China
George Mason University, Fairfax Campus - Estados Unidos
George Mason University - Estados Unidos
7 Ricci, Federica Mujer Pontificia Universidad Católica de Chile - Chile

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Financiamiento



Fuente
FONDECYT Iniciacion grant
NASA through ADAP
National Aeronautics Space Administration
National Aeronautics and Space Administration through Einstein Postdoctoral Fellowship

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
Support for K.L.S. was provided by the National Aeronautics and Space Administration through Einstein Postdoctoral Fellowship Award Number PF7-180168, issued by the Chandra X-ray Observatory Center, which is operated by the Smithsonian Astrophysical Observatory for and on behalf of the National Aeronautics Space Administration under contract NAS8-03060. M.K. acknowledges support from NASA through ADAP award NNH16CT03C. C.R. acknowledges Fondecyt Iniciacion grant 11190831.

Muestra la fuente de financiamiento declarada en la publicación.