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MUSE tells the story of NGC 4371: The dawning of secular evolution
Indexado
WoS WOS:000366936800019
Scopus SCOPUS_ID:84949234656
DOI 10.1051/0004-6361/201526677
Año 2015
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



We use data from the Multi-Unit Spectroscopic Explorer (MUSE), recently commissioned at the Very Large Telescope (VLT), to study the kinematics and stellar population content of NGC 4371, an early-type massive barred galaxy in the core of the Virgo cluster. We integrate this study with a detailed structural analysis using imaging data from the Hubble and Spitzer Space Telescopes, which allows us to perform a thorough investigation of the physical properties of the galaxy. We show that the rotationally supported inner components in NGC 4371, i.e. an inner disc and a nuclear ring which, according to the predominant scenario, are built with stars formed from gas brought to the inner region by the bar - are vastly dominated by stars older than 10 Gyr, Our results thus indicate that the formation of the bar occurred at a redshift of about z = 1.8(-0.4)(+0.5) (error bars are derived from 100 Monte Carlo realisations). NGC 4371 thus testifies to the robustness of bars. In addition, the mean stellar age of the portion of the major disc of the galaxy that is covered by our MUSE data is above 7 Gyr with a small contribution from younger stars. This suggests that the quenching of star formation in NGC 4371, which is very likely an environmental effect, was already occurring at a redshift of about z = 0.8(-0.1)(+0.2). Our results suggest that bar-driven secular evolution processes may have an extended impact on the evolution of galaxies, and thus on the properties of galaxies as observed today, and not necessarily be restricted to more recent cosmic epochs.

Revista



Revista ISSN
Astronomy & Astrophysics 0004-6361

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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 Gadotti, Dimitri Hombre ESO - Chile
European Southern Observatory Santiago - Chile
Observatorio Europeo Austral - Alemania
Observatorio Europeo Austral - Chile
2 Seidel, Marja K. Mujer Inst Astrofis Canarias - España
UNIV LA LAGUNA - España
Instituto Astrofisico de Canarias - España
Universidad de La Laguna - España
3 SANCHEZ-BLAZQUEZ, PATRICIA Mujer UNIV AUTONOMA MADRID - España
Universidad Autónoma de Madrid - España
4 Falcon-Barroso, Jesus Hombre Inst Astrofis Canarias - España
UNIV LA LAGUNA - España
Instituto Astrofisico de Canarias - España
Universidad de La Laguna - España
5 Husemann, Bernd Hombre ESO - Alemania
Observatorio Europeo Austral - Alemania
6 Coelho, P. Mujer UNIV SAO PAULO - Brasil
Universidade de Sao Paulo - USP - Brasil
Universidade de São Paulo - Brasil
7 PEREZ-MARTIN, ISABEL Mujer UNIV GRANADA - España
Universidad de Granada, Facultad de Ciencias - España
Universidad de Granada - España

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Origen de Citas Identificadas



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Citas identificadas: Las citas provienen de documentos incluidos en la base de datos de DATACIENCIA

Citas Identificadas: 13.33 %
Citas No-identificadas: 86.67 %

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Citas identificadas: Las citas provienen de documentos incluidos en la base de datos de DATACIENCIA

Citas Identificadas: 13.33 %
Citas No-identificadas: 86.67 %

Financiamiento



Fuente
Ministerio de Economía y Competitividad
Spanish Ministry of Economy and Competitiveness
Seventh Framework Programme
Ministerio de Economía y Competitividad
Spanish Ministry of Economy and Competitiveness (MINECO)
La Silla Paranal Observatory
FP7 People: Marie-Curie Actions
Research Executive Agency
Marie Curie
Ramon y Cajal
Ramon y Cajal programme
DAGAL network from the People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme

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Agradecimientos



Agradecimiento
This work would have been impossible without the vigorous work of Fernando Selman and George Hau, MUSE Paranal instrument scientists. We are grateful to Francesca Iannuzzi and Francesca Fragkoudi for very useful input and discussions on bars in simulated galaxies, particularly on box/peanuts. It is also a pleasure to thank Eric Emsellem for useful discussions on the inner components of barred galaxies and Michael Vlasov for his permission to use a chart from his atlas. We are very grateful to the anonymous referee for a thoughtful and constructive report. M.K.S. and J.F.-B. acknowledge support from grant AYA2013-48226-C3-1-P from the Spanish Ministry of Economy and Competitiveness (MINECO). J.F.-B. also acknowledges support from the DAGAL network from the People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme FP7/2007-2013/ under REA grant agreement number PITN-GA-2011-289313. P.S.-B. acknowledges support from the Ramon y Cajal programme, grant ATA2010-21322-C03-02 from the Spanish Ministry of Economy and Competitiveness (MINECO). Based on observations made with ESO telescopes at the La Silla Paranal Observatory under programme ID 060,A-9313.
This work would have been impossible without the vigorous work of Fernando Selman and George Hau, MUSE Paranal instrument scientists. We are grateful to Francesca Iannuzzi and Francesca Fragkoudi for very useful input and discussions on bars in simulated galaxies, particularly on box/peanuts. It is also a pleasure to thank Eric Emsellem for useful discussions on the inner components of barred galaxies and Michael Vlasov for his permission to use a chart from his atlas. We are very grateful to the anonymous referee for a thoughtful and constructive report. M.K.S. and J.F.-B. acknowledge support from grant AYA2013-48226-C3-1-P from the Spanish Ministry of Economy and Competitiveness (MINECO). J.F.-B. also acknowledges support from the DAGAL network from the People Programme (Marie Curie Actions) of the European Union’s Seventh Framework Programme FP7/2007–2013/ under REA grant agreement number PITN-GA-2011-289313. P.S.-B. acknowledges support from the Ramón y Cajal programme, grant ATA2010-21322-C03-02 from the Spanish Ministry of Economy and Competitiveness (MINECO). Based on observations made with ESO telescopes at the La Silla Paranal Observatory under programme ID 060.A-9313.

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