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dc.contributor.author
Mesa, Valeria Alejandra
dc.contributor.author
Duplancic Videla, Maria Fernanda
dc.contributor.author
Alonso Giraldes, Maria Sol
dc.contributor.author
Coldwell Lloveras, Georgina Vanesa
dc.contributor.author
Garcia Lambas, Diego Rodolfo
dc.date.available
2016-04-01T22:04:24Z
dc.date.issued
2014-02
dc.identifier.citation
Mesa, Valeria Alejandra; Duplancic Videla, Maria Fernanda; Alonso Giraldes, Maria Sol; Coldwell Lloveras, Georgina Vanesa; Garcia Lambas, Diego Rodolfo; Interacting galaxies: corotating and counter-rotating systems with tidal tails; Oxford University Press; Monthly Notices of the Royal Astronomical Society; 438; 2; 2-2014; 1784-1793
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/5000
dc.description.abstract
We analyse interacting galaxy pairs with evidence of tidal features in the Sloan Digital Sky Survey Data Release 7. The pairs were selected within z < 0.1 by requiring a projected separation rp < 50 h− 1 kpc and relative radial velocity ΔV < 500 km s−1. We complete spectroscopic pairs using galaxies with photometric redshifts considering ΔVphot < 6800 km s−1, taking into account the mean photometric redshift uncertainty. We classify by visual inspection pairs of spirals into corotating and counter-rotating systems. For a subsample of non-active galactic nucleus (non-AGN) galaxies, counter-rotating pairs have larger star formation rates and a higher fraction of young, star-forming galaxies. These effects are enhanced by restricting to rp < 12 h− 1 kpc. The distributions of C, Dn(4000) and (Mu − Mr) for AGN galaxies show that counter-rotating hosts have bluer colours and younger stellar population than the corotating galaxies although the relative fractions of Seyfert, LINER, Composite and Ambiguous AGN are similar. Also, counter-rotating hosts have more powerful AGN as revealed by enhanced Lum[O III] values. The number of corotating systems is approximately twice the number of counter-rotating pairs which could be owed to a more rapid evolution of counter-rotating systems, besides possible different initial conditions of these interacting pairs.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Galaxies
dc.subject
Interactions
dc.subject
Statistics
dc.subject
Starburst
dc.subject.classification
Astronomía
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Interacting galaxies: corotating and counter-rotating systems with tidal tails
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-05-06 15:52:43.262787-03
dc.journal.volume
438
dc.journal.number
2
dc.journal.pagination
1784-1793
dc.journal.pais
Reino Unido
dc.journal.ciudad
Oxford
dc.conicet.avisoEditorial
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
dc.description.fil
Fil: Mesa, Valeria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Científico Tecnológico Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil
Fil: Duplancic Videla, Maria Fernanda. Consejo Nacional de Investigaciones Cienti­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
dc.description.fil
Fil: Alonso Giraldes, Maria Sol. Consejo Nacional de Investigaciones Cienti­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
dc.description.fil
Fil: Coldwell Lloveras, Georgina Vanesa. Consejo Nacional de Investigaciones Cienti­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
dc.description.fil
Fil: Garcia Lambas, Diego Rodolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto de Astronomía Teórica y Experimental; Argentina
dc.journal.title
Monthly Notices of the Royal Astronomical Society
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://mnras.oxfordjournals.org/content/438/2/1784
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stt2317
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/mnras/stt2317
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1312.0560v1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/arxiv/1312.0560v1


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