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Gas kinematics and stellar archaeology of the Seyfert galaxy NGC 5643

Published online by Cambridge University Press:  29 March 2021

P. H. Cezar
Affiliation:
IAG - Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil e-mail: pedrocezar@usp.br
J. E. Steiner
Affiliation:
IAG - Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil e-mail: pedrocezar@usp.br
R. B. Menezes
Affiliation:
Instituto Mauá de Tecnologia, 09580-900, São Caetano do Sul, SP, Brazil
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Abstract

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In this work we derive stellar archaeology and kinematics of the central 400 pc of NGC 5643. The star formation history (SFH) reveals nuclear contribution of stellar populations older (20% older than 3.5 Gyr) and younger (60% younger than 320 Myr) as compared to the circumnuclear region. The [OIII] 5007 Å kinematics reveals the eastern ionization cone with an outflow (−60 km/s ⩽ v ⩽ 120 km/s).

Type
Contributed Papers
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union

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