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A MUSE study of the fast bar in the weakly-interacting galaxy NGC 4264

Published online by Cambridge University Press:  14 May 2020

Virginia Cuomo Open the ORCID record for Virginia Cuomo [Opens in a new window] ,
Enrico Maria Corsini ,
Alfonso J. L. Aguerri  and
Victor P. Debattista
Virginia Cuomo
Affiliation:
Dipartimento di Fisica e Astronomia “G. Galilei”, Università di Padova, vicolo dell’Osservatorio 3, I-35122 Padova, Italy email: virginia.cuomo@phd.unipd.it
Enrico Maria Corsini
Affiliation:
Dipartimento di Fisica e Astronomia “G. Galilei”, Università di Padova, vicolo dell’Osservatorio 3, I-35122 Padova, Italy email: virginia.cuomo@phd.unipd.it INAF - Osservatorio Astronomico di Padova, vicolo dell’Osservatorio 2, I-35122 Padova, Italy
Alfonso J. L. Aguerri
Affiliation:
Instituto de Astrofísica de Canarias, calle Vía Láctea s/n, 38205 La Laguna, Tenerife, Spain Departamento de Astrofísica, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez s/n, 38206 La Laguna, Tenerife, Spain
Victor P. Debattista
Affiliation:
Jeremiah Horrocks Institute, University of Central Lancashire, PR1 2HE Preston, UK
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Abstract

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We present surface photometry and stellar kinematics of NGC 4264, a lenticular galaxy in the region of the Virgo Cluster undergoing a tidal interaction with its neighbour, NGC 4261. We measured the bar radius and strength from SDSS imaging and the bar pattern speed from MUSE integral-field spectroscopy. We find that NGC 4264 hosts a strong and large bar, which is rotating fast. The accurate measurement of the bar rotation rate allows us to exclude that the formation of the bar was triggered by the ongoing interaction.

Keywords

galaxies: evolutiongalaxies: individual (NGC 4264)galaxies: interactionsgalaxies: kinematics and dynamics

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