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Star formation and AGN activities in selected nearby HII galaxies in the LeMMINGS survey

Published online by Cambridge University Press:  29 January 2021

Ikechukwu Obi
Ikechukwu Obi*
Affiliation:
NASRDA - Centre for Basic Space Science (CBSS), University of Nigeria Nsukka, Nigeria
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Abstract

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We investigate the relative fraction of the emission generated by star formation and nuclear activities in 6 nearby HII galaxies selected from the first high resolution radio data release of LeMMINGS, the Legacy e-MERLIN Multi-band Imaging of Nearby Galaxies Survey. These galaxies are supposed to be powered solely by star formation according to the BPT diagram but exhibit jetted morphologies on parsec scales indicating the presence of a low luminosity AGN. We further carried out a multi-wavelength SED fiiting and analysis using the CIGALE code, estimating stellar masses and star formation rates.

Keywords

galaxies: activegalaxies: star formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S356: Nuclear Activity in Galaxies Across Cosmic Time , October 2019 , pp. 25
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union