EMU/GAMA: Radio-detected galaxies are more obscured than optically selected galaxies

EMU/GAMA: Radio-detected galaxies are more obscured than optically selected galaxies

We demonstrate the importance of radio selection in probing heavily obscured galaxy populations. We combine Evolutionary Map of the Universe (EMU) Early Science data in the Galaxy and Mass Assembly (GAMA) G23 field with the GAMA data, providing optical photometry and spectral line measurements, toge...

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Veröffentlicht in:Publications of the Astronomical Society of Australia 2024-01, Vol.41, Article e021
Hauptverfasser: Ahmed, U. T., Hopkins, A. M., Ware, J., Gordon, Y. A., Bilicki, M., Brown, M. J. I., Cluver, M., Gürkan, G., López-Sánchez, Á. R., Leahy, D. A., Marchetti, L., Phillipps, S., Prandoni, I., Seymour, N., Taylor, E. N., Vardoulaki, E.
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Sprache:eng
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Zusammenfassung:We demonstrate the importance of radio selection in probing heavily obscured galaxy populations. We combine Evolutionary Map of the Universe (EMU) Early Science data in the Galaxy and Mass Assembly (GAMA) G23 field with the GAMA data, providing optical photometry and spectral line measurements, together with Wide-field Infrared Survey Explorer (WISE) infrared (IR) photometry, providing IR luminosities and colours. We investigate the degree of obscuration in star-forming galaxies, based on the Balmer decrement (BD), and explore how this trend varies, over a redshift range of $0
ISSN:1323-3580
1448-6083
DOI:10.1017/pasa.2024.2