The SAMI Galaxy Survey: disc-halo interactions in radio-selected star-forming galaxies
In this paper, we compare the radio emission at 1.4 GHz with optical outflowsignatures of edgeon galaxies. We report observations of six edge-on star-forming galaxies in the Sydney-AAO Multiobject Integral-field spectrograph Galaxy Survey with 1.4 GHz luminosities > 1 x 10(21) WHz(-1). Extended m...
Published in: | Monthly Notices of the Royal Astronomical Society |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Oxford University Press
2017
|
Subjects: | |
Online Access: | https://espace.library.uq.edu.au/view/UQ:58ae6f9/UQ58ae6f9_OA.pdf https://espace.library.uq.edu.au/view/UQ:58ae6f9 |
Summary: | In this paper, we compare the radio emission at 1.4 GHz with optical outflowsignatures of edgeon galaxies. We report observations of six edge-on star-forming galaxies in the Sydney-AAO Multiobject Integral-field spectrograph Galaxy Survey with 1.4 GHz luminosities > 1 x 10(21) WHz(-1). Extended minor axis optical emission is detected with enhanced [N II]/II alpha line ratios and velocity dispersions consistent with galactic winds in three of six galaxies. These galaxies may host outflows driven by a combination of thermal and cosmic ray processes. We find that galaxies with the strongest wind signatures have extended radio morphologies. Our results form a baseline for understanding the driving mechanisms of galactic winds. |
---|