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| 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
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.
| 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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| Fuente |
|---|
| FONDECYT Iniciacion grant |
| NASA through ADAP |
| National Aeronautics Space Administration |
| National Aeronautics and Space Administration through Einstein Postdoctoral Fellowship |
| Agradecimiento |
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| 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. |