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| 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
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.
| 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 |
| 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 |
| 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/. |