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The SAMI Galaxy Survey: disc–halo interactions in radio-selected star-forming galaxies

Leslie, S. K. and Bryant, J. J. and Ho, I-T. and Sadler, E. M. and Medling, A. M. and Groves, B. and Kewley, L. J. and Bland-Hawthorn, J. and Croom, S. M. and Wong, O. I. and Brough, S. and Tescari, E. and Sweet, S. M. and Sharpe, R. and Green, A. W. and López-Sánchez, Á. R. and Allen, J. T. and Fogarty, L. M. R. and Goodwin, M. and Lawrence, J. S. and Konstantopoulos, I. S. and Owers, M. S. and Richards, S. N. (2017) The SAMI Galaxy Survey: disc–halo interactions in radio-selected star-forming galaxies. Monthly Notices of the Royal Astronomical Society, 471 (2). pp. 2438-2452. ISSN 0035-8711. http://resolver.caltech.edu/CaltechAUTHORS:20170921-113010614

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Abstract

In this paper, we compare the radio emission at 1.4 GHz with optical outflow signatures of edge-on 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 × 10^(21) W Hz^(−1). Extended minor axis optical emission is detected with enhanced [N II]/H α 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.


Item Type:Article
Related URLs:
URLURL TypeDescription
ttps://doi.org/10.1093/mnras/stx1673DOIArticle
https://academic.oup.com/mnras/article/471/2/2438/3930853/The-SAMI-Galaxy-Survey-disc-halo-interactions-in#94885660PublisherArticle
https://arxiv.org/abs/1707.03879arXivDiscussion Paper
ORCID:
AuthorORCID
Ho, I-T.0000-0002-0757-9559
Medling, A. M.0000-0001-7421-2944
Groves, B.0000-0002-9768-0246
Additional Information:© 2017 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2017 June 30. Received 2017 June 2; in original form 2016 December 13. This research was conducted by the Australian Research Council Centre of Excellence for All-sky Astrophysics (CAASTRO), through project number CE110001020. The SAMI Galaxy Survey is based on observations made at the Anglo-Australian Telescope. The Sydney-AAO Multi-object Integral field spectrograph (SAMI) was developed jointly by the University of Sydney and the Australian Astronomical Observatory. The SAMI input catalogue is based on data taken from the SDSS, the GAMA Survey and the VST ATLAS Survey. The SAMI Galaxy Survey is funded CAASTRO and other participating institutions. The SAMI Galaxy Survey website is http://sami-survey.org/. GAMA is a joint European-Australasian project based around a spectroscopic campaign using the Anglo-Australian Telescope. The GAMA input catalogue is based on data taken from the Sloan Digital Sky Survey and the UKIRT Infrared Deep Sky Survey. Complementary imaging of the GAMA regions is being obtained by a number of independent survey programmes including GALEX MIS, VST KiDS, VISTA VIKING, WISE, Herschel-ATLAS, GMRT and ASKAP providing UV to radio coverage. GAMA is funded by the STFC (UK), the ARC (Australia), the AAO and the participating institutions. The GAMA website is http://www.gama-survey.org/. Support for AMM is provided by NASA through Hubble Fellowship grant #HST-HF2-51377 awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., for NASA, under contract NAS5-26555. JTA acknowledges the award of a SIEF John Stocker Fellowship. MSO acknowledges the funding support from the Australian Research Council through a Future Fellowship (FT140100255). SB acknowledges the funding support from the Australian Research Council through a Future Fellowship (FT140101166).
Funders:
Funding AgencyGrant Number
Australian Research CouncilCE110001020
Science and Technology Facilities Council (STFC)UNSPECIFIED
Space Telescope Science InstituteUNSPECIFIED
Australian Astronomical Observatory (AAO)UNSPECIFIED
NASA Hubble FellowshipHST-HF2-51377
NASANAS5-26555
Science Industry Endowment FundUNSPECIFIED
Australian Research CouncilFT140100255
Australian Research CouncilFT140101166
Subject Keywords:cosmic rays, galaxies: evolution, galaxies: haloes, galaxies: ISM, galaxies: jets, galaxies: kinematics and dynamics
Record Number:CaltechAUTHORS:20170921-113010614
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170921-113010614
Official Citation:S. K. Leslie, J. J. Bryant, I.-T. Ho, E. M. Sadler, A. M. Medling, B. Groves, L. J. Kewley, J. Bland-Hawthorn, S. M. Croom, O. I. Wong, S. Brough, E. Tescari, S. M. Sweet, R. Sharp, A. W. Green, Á. R. López-Sánchez, J. T. Allen, L. M. R. Fogarty, M. Goodwin, J. S. Lawrence, I.S. Konstantopoulos, M. S. Owers, S. N. Richards; The SAMI Galaxy Survey: disc–halo interactions in radio-selected star-forming galaxies, Monthly Notices of the Royal Astronomical Society, Volume 471, Issue 2, 21 October 2017, Pages 2438–2452, https://doi.org/10.1093/mnras/stx1673
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:81686
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:21 Sep 2017 20:15
Last Modified:01 Nov 2017 17:20

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