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| DOI | 10.1093/MNRAS/STAE1784 | ||||
| Año | 2024 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Ram pressure stripping is perhaps the most efficient mechanism for removing gas and quenching galaxies in dense environments, as they move through the intergalactic medium. Extreme examples of on-going ram pressure stripping are known as jellyfish galaxies, characterized by a tail of stripped material that can be directly observed in multiple wavelengths. Using the largest homogeneous broad-band optical jellyfish candidate sample in local clusters known to date, we measure the angle between the direction of the tails visible in the galaxies, and the direction towards the host cluster centre. We find that 33 per cent of the galaxy tails point away from the cluster centre, 18 per cent point towards the cluster centre, and 49 per cent point elsewhere. Moreover, we find stronger signatures of ram pressure stripping happening on galaxies with a tail pointing away and towards the cluster centre, and larger velocity dispersion profiles for galaxies with tails pointing away. These results are consistent with a scenario where ram pressure stripping has a stronger effect for galaxies following radial orbits on first infall. The results also suggest that in many cases, radially infalling galaxies are able to retain their tails after pericenter and continue to experience significant on-going ram pressure stripping. We further constrain the lifespan of the optical tails from the moment they first appear to the moment they disappear, by comparing the observed tail directions with matched N-body simulations through Bayesian parameter estimation. We obtain that galaxy tails appear for the first time at similar to 1.16R(200) and disappear similar to 660 Myr after pericenter.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Salinas, Vicente H. | Hombre |
Chalmers Univ Technol - Suecia
Universidad de Valparaíso - Chile Onsala Space Observatory - Suecia |
| 2 | Jaffe, Yara | Mujer |
Universidad Técnica Federico Santa María - Chile
|
| 3 | Smith, Rory | - |
Universidad Técnica Federico Santa María - Chile
|
| 4 | Shinn, Jong-Ho | Hombre |
Universidad Técnica Federico Santa María - Chile
Korea Astron & Space Sci Inst KASI - Corea del Sur Korea Astronomy and Space Science Institute - Corea del Sur |
| 5 | Crossett, Jacob P. | Hombre |
Universidad de Valparaíso - Chile
Universidad Técnica Federico Santa María - Chile |
| 6 | Gullieuszik, M. | Hombre |
INAF Osservatorio Astron Padova - Italia
Osservatorio Astronomico di Padova - Italia |
| 7 | Gonzalez-Tora, G. | - |
Heidelberg Univ - Alemania
Observatorio Europeo Austral - Alemania Astronomisches Rechen-Institut - Alemania European Southern Obervatory ESO - Chile |
| 8 | Piraino-Cerda, Franco | - |
Universidad Técnica Federico Santa María - Chile
|
| 9 | Poggianti, B. | Mujer |
INAF Osservatorio Astron Padova - Italia
Osservatorio Astronomico di Padova - Italia |
| 10 | Vulcani, Benedetta | Mujer |
INAF Osservatorio Astron Padova - Italia
Osservatorio Astronomico di Padova - Italia |
| 11 | Biviano, A. | Mujer |
INAF Osservatorio Astron Trieste - Italia
IFPU Inst Fundamental Phys Universe - Italia Osservatorio Astronomico di Trieste - Italia IFPU - Institute for Fundamental Physics of the Universe - Italia |
| 12 | Lourenco, A. C. C. | Mujer |
Universidad de Valparaíso - Chile
European Southern Obervatory ESO - Chile European Southern Observatory Santiago - Chile Observatorio Europeo Austral - Chile |
| 13 | Bilton, Lawrence E. | - |
Universidad de Valparaíso - Chile
Universidad Técnica Federico Santa María - Chile Pontificia Universidad Católica de Valparaíso - Chile Univ Hull - Reino Unido University of Hull - Reino Unido |
| 14 | Kelkar, K. | - |
Universidad de Valparaíso - Chile
Universidad Técnica Federico Santa María - Chile |
| 15 | CALDERON-CASTILLO, PAULA ERIKA | Mujer |
Universidad Técnica Federico Santa María - Chile
|
| Fuente |
|---|
| FONDECYT |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Universidad Técnica Federico Santa María |
| Deutsche Forschungsgemeinschaft |
| European Research Council |
| DFG |
| Swedish National Space Agency |
| European Research Council (ERC) |
| Horizon 2020 |
| Horizon 2020 Framework Programme |
| Istituto Nazionale di Astrofisica |
| INAF-Osservatorio Astronomico di Padova |
| Agencia Nacional de Investigación y Desarrollo |
| Senter for Internasjonalisering av Utdanning |
| ANID BASAL |
| german Deutsche Forschungsgemeinschaft (DFG) |
| Agenția Națională pentru Cercetare și Dezvoltare |
| National Agency for Research and Development (ANID)/Scholarship Program/DOCTORADO BECAS |
| Becas Internas para Doctorado y Magíster Científico-Tecnológicos |
| Law Offices of Anidjar and Levine, P.A. |
| INAF mini-grant |
| Direccion de Postgrado (Universidad Tecnica Federico Santa Maria, Chile) through Becas Internas para Doctorado y Magister Cientifico-Tecnologicos |
| ANID through FONDECYT Postdoctrorado, Chile |
| ANID through FONDECYT Postdoctorado |
| Agradecimiento |
|---|
| YJ acknowledges financial support from ANID BASAL project no. FB210003 and FONDECYT project no. 1241426. RS and YJ acknowledge support from FONDECYT regular no. 1230441. AB acknowledges financial support from the INAF mini-grant 1.05.12.04.01 'The dynamics of clusters of galaxies from the projected phase-space distribution of cluster galaxies'. ACCL thanks for the financial support of the National Agency for Research and Development (ANID)/Scholarship Program/DOCTORADO BECAS CHILE/2019-21190049. KK acknowledges full financial support from ANID through FONDECYT Postdoctrorado Project 3200139, Chile. This project has received funding from the European Research Council (ERC) under the Horizon 2020 research and innovation programme (grant agreement no. 833824). JPC acknowledges financial support from ANID through FONDECYT Postdoctorado Project 3210709. GGT is currently supported by the German Deutsche Forschungsgemeinschaft (DFG) under Project-ID 445674056 (Emmy Noether Research Group SA4064/1-1, PI Sander) and Project-ID 496854903 (SA4064/2-1, PI Sander). FPC acknowledges financial support from Direccion de Postgrado (Universidad Tecnica Federico Santa Maria, Chile) through Becas Internas para Doctorado y Magister Cientifico-Tecnologicos. |
| YJ acknowledges financial support from ANID BASAL project no. FB210003 and FONDECYT project no. 1241426. RS and YJ acknowledge support from FONDECYT regular no. 1230441. AB acknowledges financial support from the INAF mini-grant 1.05.12.04.01 \u2018The dynamics of clusters of galaxies from the projected phase-space distribution of cluster galaxies\u2019. ACCL thanks for the financial support of the National Agency for Research and Development (ANID)/Scholarship Program/DOCTORADO BECAS CHILE/2019-21190049. KK acknowledges full financial support from ANID through FONDECYT Postdoctrorado Project 3200139, Chile. This project has received funding from the European Research Council (ERC) under the Horizon 2020 research and innovation programme (grant agreement no. 833824). JPC acknowledges financial support from ANID through FONDECYT Postdoctorado Project 3210709. GGT is currently supported by the German Deutsche Forschungsgemeinschaft (DFG) under Project-ID 445674056 (Emmy Noether Research Group SA4064/1-1, PI Sander) and Project-ID 496854903 (SA4064/2-1, PI Sander). FPC acknowledges financial support from Direcci\u00F3n de Postgrado (Universidad T\u00E9cnica Federico Santa Mar\u00EDa, Chile) through Becas Internas para Doctorado y Mag\u00EDster Cient\u00EDfico-Tecnol\u00F3gicos. |