Dataciencia

Colección SciELO Chile

The Hydra I cluster core II. Kinematic complexity in a rising velocity dispersion profile around the cD galaxy NGC3311

Indexado

WoS	WOS:000450199200001
Scopus	SCOPUS_ID:85056784509

DOI

10.1051/0004-6361/201731737

Año

2018

Tipo

artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras

Abstract

Conclusions. The rising velocity dispersion of NGC3311 apparently is a result of averaging over a range of velocity dispersions related to different tracer populations in the sense of different density profiles and anisotropies. Jeans models using one tracer population with a unique density profile are not able to explain the large range of the observed kinematics. Previous claims about the cored dark halo of NGC3311 are therefore probably not valid. This may in general apply to central cluster galaxies with rising velocity dispersion profiles, where infall processes are important.

Revista

Revista	ISSN
Astronomy & Astrophysics	0004-6361

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	Hilker, Michael	Hombre	ESO - Alemania
2	Richtler, T.	-	Universidad de Concepción - Chile
3	Barbosa, Carlos Eduardo	Hombre	ESO - Alemania UNIV SAO PAULO - Brasil Universidade de Sao Paulo - USP - Brasil Universidade de São Paulo - Brasil
4	Arnaboldi, Magda	Mujer	ESO - Alemania
5	Coccato, Lodovico	Hombre	ESO - Alemania
6	MENDES-DE OLIVEIRA, CLAUDIA LUCIA	Mujer	UNIV SAO PAULO - Brasil Universidade de Sao Paulo - USP - Brasil Universidade de São Paulo - Brasil

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Financiamiento

Fuente
FONDECYT
São Paulo Research Foundation (FAPESP)
Fundação de Amparo à Pesquisa do Estado de São Paulo
FundaÃ§Ã£o de Amparo Ã Pesquisa do Estado de SÃ£o Paulo
National Aeronautics and Space Administration
Fondo Nacional de Desarrollo Científico, Tecnológico y de Innovación Tecnológica
BASAL Centro de Astrofisica y Tecnologias Afines (CATA)
European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme
Fondo Nacional de Desarrollo CientÃfico, TecnolÃ³gico y de InnovaciÃ³n TecnolÃ³gica
Centro de Astrofísica y Tecnologías Afines
Centro de AstrofÃsica y TecnologÃas Afines

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos

Agradecimiento
We would like to thank the anonymous referee for his/her very valuable comments. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme 088. B-0448(B). 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. T.R. acknowledges support from the BASAL Centro de Astrofisica y Tecnologias Afines (CATA) projects PFB-06/2007 and AFB-170002, and from FONDECYT project Nr. 1100620. T.R. thanks ESO/Garching for a science visitorship during May-September 2016. C.E.B and C.M.dO. thank the Sao Paulo Research Foundation (FAPESP) funding (grants 2011/21325-0, 2011/51680-6, 2012/22676-3 and 2016/12331-0).
Acknowledgements. We would like to thank the anonymous referee for his/her very valuable comments. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme 088.B-0448(B). 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. T. R. acknowledges support from the BASAL Centro de Astrofísica y Tecnologias Afines (CATA) projects PFB-06/2007 and AFB-170002, and from FONDECYT project Nr. 1100620. T. R. thanks ESO/Garching for a science visitorship during May-September 2016. C.E.B and C.M.dO. thank the São Paulo Research Foundation (FAPESP) funding (grants 2011/21325-0, 2011/51680-6, 2012/22676-3 and 2016/12331-0).

Agradecimiento

We would like to thank the anonymous referee for his/her very valuable comments. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme 088. B-0448(B). 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. T.R. acknowledges support from the BASAL Centro de Astrofisica y Tecnologias Afines (CATA) projects PFB-06/2007 and AFB-170002, and from FONDECYT project Nr. 1100620. T.R. thanks ESO/Garching for a science visitorship during May-September 2016. C.E.B and C.M.dO. thank the Sao Paulo Research Foundation (FAPESP) funding (grants 2011/21325-0, 2011/51680-6, 2012/22676-3 and 2016/12331-0).

Acknowledgements. We would like to thank the anonymous referee for his/her very valuable comments. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme 088.B-0448(B). 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. T. R. acknowledges support from the BASAL Centro de Astrofísica y Tecnologias Afines (CATA) projects PFB-06/2007 and AFB-170002, and from FONDECYT project Nr. 1100620. T. R. thanks ESO/Garching for a science visitorship during May-September 2016. C.E.B and C.M.dO. thank the São Paulo Research Foundation (FAPESP) funding (grants 2011/21325-0, 2011/51680-6, 2012/22676-3 and 2016/12331-0).