EMU Radio Observations of Barred Spiral Galaxy NGC 5938 (Araish)
H. Zakir, M.D. Filipovi\'c, L. Barnes, R. Z. E. Alsaberi, T. An, K. Dage, S. W. Duchesne, A. M. Hopkins, A. Kapinska, B. Koribalski, S. Lazarevi\'c, D. Leahy, Z. Liu, R. P. Norris, A. Rau, Z.J. Smeaton, and T. Jarrett

TL;DR
This study uses multi-wavelength data to analyze the radio emission of galaxy NGC 5938, revealing a significant AGN jet and its interaction with star formation and the X-ray gas halo.
Contribution
First detailed multi-wavelength analysis of NGC 5938 showing the coexistence of AGN jet activity and star formation.
Findings
Detected an 8.2 kpc radio jet with steep spectral index
Infrared data indicates dust and young stars in the galaxy disk
X-ray emission surrounds and interacts with the radio jet
Abstract
We present multi-wavelength observations of the nearby spiral galaxy NGC 5938 (Araish) to investigate the origin of its radio emission, specifically the contribution from active galactic nucleus (AGN) activity and star formation. Using Evolutionary Map of the Universe (EMU) data, we detect extended radio emission extending outwards to the galactic axis, with a steep non-thermal spectral index () indicative of synchrotron radiation from an AGN jet. The jet has a physical extent of (angular length of ). Multi-wavelength data from The Dark Energy Camera Plane Survey 2 (DECaPS2), Wide-field Infrared Survey Explorer (WISE), and extended Roentgen Survey with an Imaging Telescope Array (eROSITA) provide further support for this interpretation. The colour-colour diagram presenting WISE infrared observations suggests the presence of…
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Galaxies: Formation, Evolution, Phenomena · Gamma-ray bursts and supernovae
