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A panchromatic spatially resolved study of the inner 500 pc of NGC 1052

Published online by Cambridge University Press:  29 March 2021

Luis G. Dahmer-Hahn Open the ORCID record for Luis G. Dahmer-Hahn [Opens in a new window] ,
Rogério Riffel ,
Tiago V. Ricci Open the ORCID record for Tiago V. Ricci [Opens in a new window] ,
João E. Steiner ,
Thaisa Storchi-Bergmann ,
Rogemar A. Riffel ,
Roberto B. Menezes ,
Natacha Z. Dametto ,
Marlon R. Diniz  and
Juliana C. Motter Open the ORCID record for Juliana C. Motter [Opens in a new window]
...Show all authors
Luis G. Dahmer-Hahn
Affiliation:
Laboratório Nacional de Astrofísica, Itajubá-MG, Brazil email: lhahn@lna.br
Rogério Riffel
Affiliation:
Departamento de Astronomia, Universidade Federal do Rio Grande do Sul
Tiago V. Ricci
Affiliation:
Universidade Federal da Fronteira Sul, Campus Cerro Largo
João E. Steiner
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo
Thaisa Storchi-Bergmann
Affiliation:
Departamento de Astronomia, Universidade Federal do Rio Grande do Sul
Rogemar A. Riffel
Affiliation:
Universidade Federal de Santa Maria, Departamento de Física Center for Astrophysical Sciences, Department of Physics and Astronomy
Roberto B. Menezes
Affiliation:
Centro de Ciências Naturais e Humanas, Universidade Federal do ABC
Natacha Z. Dametto
Affiliation:
Departamento de Física - CFM - Universidade Federal de Santa Catarina
Marlon R. Diniz
Affiliation:
Universidade Federal de Santa Maria, Departamento de Física
Juliana C. Motter
Affiliation:
Departamento de Astronomia, Universidade Federal do Rio Grande do Sul
Daniel Ruschel-Dutra
Affiliation:
Departamento de Física - CFM - Universidade Federal de Santa Catarina
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Abstract

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We analyzed the inner 320 × 535 pc2 of the elliptical galaxy NGC 1052 with integral field spectroscopy, both in the optical and in the near-infrared (NIR). The stellar population analysis revealed a dominance of old stellar populations from the optical data, and an intermediate-age ring from NIR data. When combining optical+NIR data, optical results were favoured. The emission-line analysis revealed five kinematic components, where two of them are unresolved and probably associated with the active galactic nucleus (AGN), one is associated with large-scale shocks, one with the radio jets, and the last could be explained by either a bipolar outflow, rotation in an eccentric disc or a combination of a disc and large-scale gas bubbles. Our results also indicate that the emission within the galaxy is caused by a combination of shocks and photoionization by the AGN.

Keywords

galaxies: individual: NGC 1052galaxies: jetsgalaxies: nucleigalaxies: elliptical and lenticularcD
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S359: Galaxy Evolution and Feedback across Different Environments , March 2019 , pp. 427 - 428
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union

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