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The bar pattern speed of the Large Magellanic Cloud
| Indexado |
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| DOI | 10.1051/0004-6361/202347266 | ||||
| Año | 2024 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Conclusions. It is not possible to determine which global value best represents an LMC bar pattern speed with the TW method, due to the strong variation with the orientation of the reference frame. The non-rotating bar from the Dehnen method would be at odds with the structure and kinematics of the LMC disc. The BV method result is consistent with previous estimates and gives a bar corotation-to-length ratio of 1.8 +/- 0.1, suggesting that the LMC is hosting a slow bar.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Jimenez-Arranz, O. | - |
Univ Barcelona UB - España
Univ Barcelona - España Inst Estudis Espacials Catalunya IEEC - España Universitat de Barcelona - España |
| 1 | Jiménez-Arranz | - |
Universitat de Barcelona - España
Instituto de Estudios Espaciales de Cataluña - España |
| 1 | Jiménez-Arranz | - |
Universitat de Barcelona - España
Instituto de Estudios Espaciales de Cataluña - España |
| 2 | Chemin, L. | Hombre |
Universidad Nacional Andrés Bello - Chile
|
| 3 | Romero-Gomez, Merce | Hombre |
Univ Barcelona UB - España
Univ Barcelona - España Inst Estudis Espacials Catalunya IEEC - España Universitat de Barcelona - España Instituto de Estudios Espaciales de Cataluña - España |
| 4 | Luri, X. | Hombre |
Univ Barcelona UB - España
Univ Barcelona - España Inst Estudis Espacials Catalunya IEEC - España Universitat de Barcelona - España Instituto de Estudios Espaciales de Cataluña - España |
| 5 | Adamczyk, P. | - |
Universidad de Antofagasta - Chile
|
| 6 | Castro-Ginard, A. | - |
Leiden Univ - Países Bajos
Sterrewacht Leiden - Países Bajos |
| 7 | Roca-Fàbrega, S. | - |
Lund Univ - Suecia
UCM - España IPARCOS - España Lund Observatory - Suecia IPARCOS-UCM (Instituto de Física de Partículas y del Cosmos) - España |
| 8 | McMillan, P. J. | Hombre |
Lund Univ - Suecia
Lund Observatory - Suecia |
| 9 | Cioni, Maria Rosa L. | Mujer |
Leibniz Inst Astrophys Potsdam - Alemania
Leibniz Institute for Astrophysics Potsdam - Alemania |
| Fuente |
|---|
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| European Commission |
| European Regional Development Fund |
| Swedish Research Council |
| Knut and Alice Wallenberg Foundation |
| Vetenskapsradet |
| Agència de Gestió d'Ajuts Universitaris i de Recerca |
| Knut och Alice Wallenbergs Stiftelse |
| Instituto de Ciencias del Cosmos, Universitat de Barcelona |
| Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia "Maria de Maeztu") |
| Agencia Nacional de Investigación y Desarrollo |
| FI-SDUR |
| "ERDF A way of making Europe" by the "European Union" |
| Spanish MICIN/AEI |
| Comite Mixto European Southern Observatory-Gobierno de Chile |
| l'Agencia de Gestio d'Ajuts Universitaris i de Recerca (AGAUR) |
| Chilean Agencia Nacional de Investigacion y Desarrollo (ANID) through the Fondo Nacional de Desarrollo Cientifico y Tecnologico (FONDECYT) Regular Project |
| Swedish Research Council (Vetenskapradet |
| Agradecimiento |
|---|
| We are grateful to W. Dehnen, M. Semczuk and V.P. Debattista for fruitful discussions. We thank Dr A.G.A. Brown for his comments on the completeness estimation. We thank an anonymous referee for a critical review and constructive suggestions that helped improving the manuscript. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium).Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. O.J.A. acknowledges funding by l'Agencia de Gestio d'Ajuts Universitaris i de Recerca (AGAUR) official doctoral program for the development of a R+D+i project under the FI-SDUR grant (2020 FISDU 00011). O.J.A., M.R.G. and X.L. acknowledge funding by the Spanish MICIN/AEI/10.13039/501100011033 and 3by "ERDF A way of making Europe" by the "European Union" through grant PID2021-122842OB-C21, and the Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia "Maria de Maeztu") through grant CEX2019-000918-M. L.C. acknowledges financial support from the Chilean Agencia Nacional de Investigacion y Desarrollo (ANID) through the Fondo Nacional de Desarrollo Cientifico y Tecnologico (FONDECYT) Regular Project 1210992 and the Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia "Maria de Maeztu") through grant CEX2019-000918-M which founded a two-weeks visit in Barcelona. P.A. and L.C. warmly acknowledge the financial support of the Comite Mixto European Southern Observatory-Gobierno de Chile. S.R.F. acknowledges support from the Knut and Alice Wallenberg Foundation and the Swedish Research Council (grant 2019-04659). P.M. gratefully acknowledges support from project grants from the Swedish Research Council (Vetenskapradet, Reg: 2017-03721; 2021-04153). |
| We are grateful to W. Dehnen, M. Semczuk and V.P. Debattista for fruitful discussions. We thank Dr A.G.A. Brown for his comments on the completeness estimation. We thank an anonymous referee for a critical review and constructive suggestions that helped improving the manuscript. This work has made use of data from the European Space Agency (ESA) mission Gaia ( https://www.cosmos.esa.int/gaia ), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium ). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. O.J.A. acknowledges funding by l’Agència de Gestió d’Ajuts Universitaris i de Recerca (AGAUR) official doctoral program for the development of a R+D+i project under the FI-SDUR grant (2020 FISDU 00011). O.J.A., M.R.G. and X.L. acknowledge funding by the Spanish MICIN/AEI/10.13039/501100011033 and by “ERDF A way of making Europe” by the “European Union” through grant PID2021-122842OB-C21, and the Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia “María de Maeztu”) through grant CEX2019-000918-M. L.C. acknowledges financial support from the Chilean Agencia Nacional de Investigación y Desarrollo (ANID) through the Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT) Regular Project 1210992 and the Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia “María de Maeztu”) through grant CEX2019-000918-M which founded a two-weeks visit in Barcelona. P.A. and L.C. warmly acknowledge the financial support of the Comité Mixto European Southern Observatory-Gobierno de Chile. S.R.F. acknowledges support from the Knut and Alice Wallenberg Foundation and the Swedish Research Council (grant 2019-04659). P.M. gratefully acknowledges support from project grants from the Swedish Research Council (Vetenskaprådet, Reg: 2017-03721; 2021-04153). |
