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Enhancing the H2O Megamaser Detection Rate Using Optical and Mid-infrared Photometry
Indexado
WoS WOS:000436388600013
Scopus SCOPUS_ID:85049220843
DOI 10.3847/1538-4357/AAC498
Año 2018
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Water megamasers from circumnuclear disks in galaxy centers provide the most accurate measurements of supermassive black hole masses and uniquely probe the subparsec accretion processes. At the same time, these systems offer independent crucial constraints of the Hubble constant in the nearby universe, and thus, the arguably best single constraint on the nature of dark energy. The chances of finding these golden standards are, however, abysmally low, at less than or similar to 3% overall for any level of water maser emission detected at 22 GHz and less than or similar to 1% for those exhibiting disk-like configuration. We provide here a thorough summary of the current state of detection of water megamaser disks along with a novel investigation of the likelihood of increasing their detection rates based on a multivariate parameter analysis of the optical and mid-infrared (mid-IR) photometric properties of the largest database of galaxies surveyed for 22 GHz emission. We find that galaxies with water megamaser emission tend to be associated with strong emission in all Wide-field Infrared Survey Explorer mid-IR wavelengths, with the strongest enhancement in the W4 band, at 22 mu m, as well as with previously proposed and newly found indicators of active galactic nucleus strength in the mid-IR, such as red W1 - W2 and W1 - W4 colors, and the integrated mid-IR luminosity of the host galaxy. These trends offer a potential boost of the megamaser detection rates to 6%-15%, or a factor of 2-8 relative to the current rates, depending on the chosen sample selection criteria, while fostering real chances for discovering. 20 new megamaser disks.

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 Kuo, Cheng-Yu Hombre Natl Sun Yat Sen Univ - Taiwán
National Sun Yat-Sen University Taiwan - Taiwán
National Sun Yat-Sen University - Taiwán
2 Constantin, A. Mujer James Madison Univ - Estados Unidos
James Madison University - Estados Unidos
3 Braatz, J. A. Hombre Natl Radio Astron Observ - Estados Unidos
National Radio Astronomy Observatory - Estados Unidos
4 Chung, Hui-Hsuan - Natl Sun Yat Sen Univ - Taiwán
National Sun Yat-Sen University Taiwan - Taiwán
National Sun Yat-Sen University - Taiwán
5 Witherspoon, C. A. - James Madison Univ - Estados Unidos
James Madison University - Estados Unidos
6 Ni, Chunchong Hombre UNIV VIRGINIA - Estados Unidos
University of Virginia - Estados Unidos
7 Impellizzeri, Violette Mujer Natl Radio Astron Observ - Estados Unidos
Atacama Large Millimeter Array - Chile
National Radio Astronomy Observatory - Estados Unidos
Atacama Large Millimeter-submillimeter Array - Chile
8 Gao, F. - Max Planck Inst Extraterr Phys - Alemania
9 Hao, Lei - CASSACA - China
Shanghai Astronomical Observatory Chinese Academy of Sciences - China
10 Woo, Jong-Hak Hombre Seoul Natl Univ - Corea del Sur
Seoul National University - Corea del Sur
11 Zaw, Ingyin - New York Univ Abu Dhabi - Emiratos Árabes Unidos
NYU Abu Dhabi - Emiratos Árabes Unidos

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Origen de Citas Identificadas



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Citas identificadas: Las citas provienen de documentos incluidos en la base de datos de DATACIENCIA

Citas Identificadas: 6.25 %
Citas No-identificadas: 93.75 %

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Citas identificadas: Las citas provienen de documentos incluidos en la base de datos de DATACIENCIA

Citas Identificadas: 6.25 %
Citas No-identificadas: 93.75 %

Financiamiento



Fuente
National Science Foundation
National Research Foundation of Korea
Ohio State University
Vanderbilt University
University of Tokyo
Yale University
National Aeronautics and Space Administration
Alfred P. Sloan Foundation
U.S. Department of Energy Office of Science
University of Arizona
Brazilian Participation Group
Brookhaven National Laboratory
Carnegie Mellon University
University of Florida
French Participation Group
German Participation Group
Harvard University
Instituto de Astrofisica de Canarias
Michigan State/Notre Dame/JINA Participation Group
Johns Hopkins University
Lawrence Berkeley National Laboratory
Max Planck Institute for Astrophysics
Max Planck Institute for Extraterrestrial Physics
New Mexico State University
New York University
Pennsylvania State University
University of Portsmouth
Princeton University
Spanish Participation Group
University of Utah
University of Virginia
University of Washington
4-VA
Ministry of Science and Technology, R.O.C

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Agradecimientos



Agradecimiento
This work has made use of data products from the WISE and the SDSS. WISE is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration. SDSS is managed by the Astrophysical Research Consortium for the Participating Institutions of the SDSS-III Collaboration including the University of Arizona, the Brazilian Participation Group, Brookhaven National Laboratory, Carnegie Mellon University, University of Florida, the French Participation Group, the German Participation Group, Harvard University, the Instituto de Astrofisica de Canarias, the Michigan State/Notre Dame/JINA Participation Group, Johns Hopkins University, Lawrence Berkeley National Laboratory, Max Planck Institute for Astrophysics, Max Planck Institute for Extraterrestrial Physics, New Mexico State University, New York University, Ohio State University, Pennsylvania State University, University of Portsmouth, Princeton University, the Spanish Participation Group, University of Tokyo, University of Utah, Vanderbilt University, University of Virginia, University of Washington, and Yale University. This research has made use of the NASA/IPAC Extragalactic Database (NED), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. Funding for SDSS has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, and the U.S. Department of Energy Office of Science. The SDSS Web site is. http://www.sdss.org/.

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