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| DOI | 10.1093/MNRAS/STAD2865 | ||||
| Año | 2023 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We obtain the kinematic distributions of stars (synthetic model line absorption) and ionized gas (H α line emission) for star-forming regions residing in Calar Alto Legacy Integral Field Area survey tidally perturbed (perturbed) and non-tidally perturbed (control) galaxies. We set the uncertainties of the velocity dispersion by measuring the statistical variability of the data sets themselves. Using these adopted uncertainties and considering the sensitivity of the grating device, we establish thresholds of reliability that allow us to select reliable velocity dispersions. From this selection, we pair the star-forming spaxels between control and perturbed galaxies at the closest shifts in velocity (de-redshifting). We compare their respective distributions of velocity dispersion. In perturbed galaxies, median velocity dispersions for the stellar and gaseous components are minimally higher and equal, respectively, than those in control galaxies. The spread in velocity dispersion and the velocity shift–velocity dispersion space agree with this result. Unlike the well-known trend in strongly interacting systems, the stellar and ionized-gas motions are not disturbed by the influence of close companions. For the gaseous component, this result is due to the poor statistical variability of its data, a consequence of the tightness in velocity dispersion derived from high spectral line intensities. This analysis concludes the series, which previously showed star-forming regions in galaxies with close companions undergoing more prominent gas inflows, resulting in differences in their star formation and consequent metal content.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Morales-Vargas, A. | - |
Universidad de Antofagasta - Chile
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| 2 | Torres-Papaqui, J. P. | - |
Universidad de Guanajuato - México
UNIV GUANAJUATO - México |
| 3 | Rosales-Ortega, F. F. | - |
Instituto Nacional de Astrofisica Optica y Electronica - México
Inst Nacl Astrofis Opt & Elect INAOE - México |
| 4 | Chow-Martínez, M. | - |
Universidad Nacional Autónoma de Nicaragua, Managua - Nicaragua
Univ Nacl Autonoma Nicaragua - Nicaragua |
| 5 | Ortega-Minakata, R. A. | - |
Instituto de Radioastronomía y Astrofísica - México
UNAM - México Universidad Nacional Autónoma de México - México |
| 6 | Robleto-Orús, A. C. | - |
Universidad Nacional Autónoma de México - México
Univ Nacl Autonoma Mexico - México |
| 7 | CALIFA Survey Collaboration | Corporación |
| Fuente |
|---|
| Conselho Nacional de Desenvolvimento Científico e Tecnológico |
| Fundação de Amparo à Pesquisa do Estado de São Paulo |
| Coordenação de Aperfeiçoamento de Pessoal de Nível Superior |
| Ohio State University |
| Vanderbilt University |
| University of Tokyo |
| Yale University |
| Carnegie Mellon University |
| Instituto de Astrofisica de Canarias |
| Johns Hopkins University |
| Lawrence Berkeley National Laboratory |
| Pennsylvania State University |
| University of Portsmouth |
| University of Utah |
| University of Virginia |
| University of Washington |
| University of Wisconsin-Madison |
| University of Colorado Boulder |
| University of Oxford |
| National Astronomical Observatories, Chinese Academy of Sciences |
| Maritime and Port Authority of Singapore |
| Leibniz-Institut für Astrophysik Potsdam |
| Notre Dame University-Louaize |
| New Mexico State University, New York University |
| Max-Planck-Institut fur Astronomie |
| MPIA Heidelberg |
| CAHA |
| IPMU |
| Kavli Institute for the Physics and Mathematics of the Universe |
| Max-Planck-Institut fur Astrophysik |
| Universidad Nacional Autónoma de México, University of Arizona |
| IAACSIC |
| MaxPlanck-Institut für Extraterrestrische Physik |
| Agradecimiento |
|---|
| The starlight project is supported by the Brazilian agencies CNPq, CAPES, and FAPESP and by the France-Brazil CAPES/Cofecub programme. |
| The starlight project is supported by the Brazilian agencies CNPq, CAPES, and FAPESP and by the France-Brazil CAPES/Cofecub programme. |