The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies
ABSTRACT We study the behaviour of the spin-ellipticity radial tracks for 507 galaxies from the Sydney AAO Multiobject Integral Field (SAMI) Galaxy Survey with stellar kinematics out to ≥1.5Re. We advocate for a morpho-dynamical classification of galaxies, relying on spatially resolved photometric a...
Published in: | Monthly Notices of the Royal Astronomical Society |
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2019
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Online Access: | http://dx.doi.org/10.1093/mnras/stz2797 http://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stz2797/30139435/stz2797.pdf http://academic.oup.com/mnras/article-pdf/491/1/324/31114479/stz2797.pdf |
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croxfordunivpr:10.1093/mnras/stz2797 2024-05-12T08:10:34+00:00 The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies Rawlings, Alexander Foster, Caroline van de Sande, Jesse Taranu, Dan S Croom, Scott M Bland-Hawthorn, Joss Brough, Sarah Bryant, Julia J Colless, Matthew Lagos, Claudia del P Konstantopoulos, Iraklis S Lawrence, Jon S López-Sánchez, Ángel R Lorente, Nuria P F Medling, Anne M Oh, Sree Owers, Matt S Richards, Samuel N Scott, Nicholas Sweet, Sarah M Yi, Sukyoung K Australian Research Council Korean National Research Foundation National Aeronautics and Space Administration 2019 http://dx.doi.org/10.1093/mnras/stz2797 http://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stz2797/30139435/stz2797.pdf http://academic.oup.com/mnras/article-pdf/491/1/324/31114479/stz2797.pdf en eng Oxford University Press (OUP) https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model Monthly Notices of the Royal Astronomical Society volume 491, issue 1, page 324-343 ISSN 0035-8711 1365-2966 Space and Planetary Science Astronomy and Astrophysics journal-article 2019 croxfordunivpr https://doi.org/10.1093/mnras/stz2797 2024-04-18T08:16:35Z ABSTRACT We study the behaviour of the spin-ellipticity radial tracks for 507 galaxies from the Sydney AAO Multiobject Integral Field (SAMI) Galaxy Survey with stellar kinematics out to ≥1.5Re. We advocate for a morpho-dynamical classification of galaxies, relying on spatially resolved photometric and kinematic data. We find the use of spin-ellipticity radial tracks is valuable in identifying substructures within a galaxy, including embedded and counter-rotating discs, that are easily missed in unilateral studies of the photometry alone. Conversely, bars are rarely apparent in the stellar kinematics but are readily identified on images. Consequently, we distinguish the spin-ellipticity radial tracks of seven morpho-dynamical types: elliptical, lenticular, early spiral, late spiral, barred spiral, embedded disc, and 2σ galaxies. The importance of probing beyond the inner radii of galaxies is highlighted by the characteristics of galactic features in the spin-ellipticity radial tracks present at larger radii. The density of information presented through spin-ellipticity radial tracks emphasizes a clear advantage to representing galaxies as a track, rather than a single point, in spin-ellipticity parameter space. Article in Journal/Newspaper sami Oxford University Press Monthly Notices of the Royal Astronomical Society 491 1 324 343 |
institution |
Open Polar |
collection |
Oxford University Press |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Space and Planetary Science Astronomy and Astrophysics |
spellingShingle |
Space and Planetary Science Astronomy and Astrophysics Rawlings, Alexander Foster, Caroline van de Sande, Jesse Taranu, Dan S Croom, Scott M Bland-Hawthorn, Joss Brough, Sarah Bryant, Julia J Colless, Matthew Lagos, Claudia del P Konstantopoulos, Iraklis S Lawrence, Jon S López-Sánchez, Ángel R Lorente, Nuria P F Medling, Anne M Oh, Sree Owers, Matt S Richards, Samuel N Scott, Nicholas Sweet, Sarah M Yi, Sukyoung K The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
topic_facet |
Space and Planetary Science Astronomy and Astrophysics |
description |
ABSTRACT We study the behaviour of the spin-ellipticity radial tracks for 507 galaxies from the Sydney AAO Multiobject Integral Field (SAMI) Galaxy Survey with stellar kinematics out to ≥1.5Re. We advocate for a morpho-dynamical classification of galaxies, relying on spatially resolved photometric and kinematic data. We find the use of spin-ellipticity radial tracks is valuable in identifying substructures within a galaxy, including embedded and counter-rotating discs, that are easily missed in unilateral studies of the photometry alone. Conversely, bars are rarely apparent in the stellar kinematics but are readily identified on images. Consequently, we distinguish the spin-ellipticity radial tracks of seven morpho-dynamical types: elliptical, lenticular, early spiral, late spiral, barred spiral, embedded disc, and 2σ galaxies. The importance of probing beyond the inner radii of galaxies is highlighted by the characteristics of galactic features in the spin-ellipticity radial tracks present at larger radii. The density of information presented through spin-ellipticity radial tracks emphasizes a clear advantage to representing galaxies as a track, rather than a single point, in spin-ellipticity parameter space. |
author2 |
Australian Research Council Korean National Research Foundation National Aeronautics and Space Administration |
format |
Article in Journal/Newspaper |
author |
Rawlings, Alexander Foster, Caroline van de Sande, Jesse Taranu, Dan S Croom, Scott M Bland-Hawthorn, Joss Brough, Sarah Bryant, Julia J Colless, Matthew Lagos, Claudia del P Konstantopoulos, Iraklis S Lawrence, Jon S López-Sánchez, Ángel R Lorente, Nuria P F Medling, Anne M Oh, Sree Owers, Matt S Richards, Samuel N Scott, Nicholas Sweet, Sarah M Yi, Sukyoung K |
author_facet |
Rawlings, Alexander Foster, Caroline van de Sande, Jesse Taranu, Dan S Croom, Scott M Bland-Hawthorn, Joss Brough, Sarah Bryant, Julia J Colless, Matthew Lagos, Claudia del P Konstantopoulos, Iraklis S Lawrence, Jon S López-Sánchez, Ángel R Lorente, Nuria P F Medling, Anne M Oh, Sree Owers, Matt S Richards, Samuel N Scott, Nicholas Sweet, Sarah M Yi, Sukyoung K |
author_sort |
Rawlings, Alexander |
title |
The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
title_short |
The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
title_full |
The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
title_fullStr |
The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
title_full_unstemmed |
The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
title_sort |
sami galaxy survey: rules of behaviour for spin-ellipticity radial tracks in galaxies |
publisher |
Oxford University Press (OUP) |
publishDate |
2019 |
url |
http://dx.doi.org/10.1093/mnras/stz2797 http://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stz2797/30139435/stz2797.pdf http://academic.oup.com/mnras/article-pdf/491/1/324/31114479/stz2797.pdf |
genre |
sami |
genre_facet |
sami |
op_source |
Monthly Notices of the Royal Astronomical Society volume 491, issue 1, page 324-343 ISSN 0035-8711 1365-2966 |
op_rights |
https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model |
op_doi |
https://doi.org/10.1093/mnras/stz2797 |
container_title |
Monthly Notices of the Royal Astronomical Society |
container_volume |
491 |
container_issue |
1 |
container_start_page |
324 |
op_container_end_page |
343 |
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1798854031155658752 |