Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys
<jats:title>ABSTRACT</jats:title> <jats:p>We present the first statistical study of spatially integrated non-Gaussian stellar kinematics spanning 7 Gyr in cosmic time. We use deep, rest-frame optical spectroscopy of massive galaxies (stellar mass $M_\star \gt 10^{10.5} \, \mathrm{M...
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ftunivcam:oai:www.repository.cam.ac.uk:1810/350303 2024-01-14T10:10:23+01:00 Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys D'eugenio, F Van Der Wel, A Derkenne, C Van Houdt, J Bezanson, R Taylor, EN Van De Sande, J Baker, WM Bell, EF Bland-Hawthorn, J Bluck, AFL Brough, S Bryant, JJ Colless, M Cortese, L Croom, SM Van Dokkum, P Fisher, D Foster, C Fraser-Mckelvie, A Gallazzi, A De Graaff, A Groves, B Del P. Lagos, C Looser, TJ Maiolino, R Maseda, M Mendel, JT Nersesian, A Pacifici, C Piotrowska, JM Poci, A Remus, RS Sharma, G Sweet, SM Thater, S Tran, KV Übler, H Valenzuela, LM Wisnioski, E Zibetti, S 2023-08-21 application/pdf https://www.repository.cam.ac.uk/handle/1810/350303 https://doi.org/10.17863/CAM.96912 eng eng Oxford University Press (OUP) Department of Physics http://dx.doi.org/10.1093/mnras/stac3536 Monthly Notices of the Royal Astronomical Society https://www.repository.cam.ac.uk/handle/1810/350303 https://doi.org/10.17863/CAM.96912 Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ 5101 Astronomical Sciences 51 Physical Sciences Article 2023 ftunivcam https://doi.org/10.17863/CAM.96912 2023-12-21T23:25:19Z <jats:title>ABSTRACT</jats:title> <jats:p>We present the first statistical study of spatially integrated non-Gaussian stellar kinematics spanning 7 Gyr in cosmic time. We use deep, rest-frame optical spectroscopy of massive galaxies (stellar mass $M_\star \gt 10^{10.5} \, \mathrm{M_\odot }$) at redshifts z = 0.05, 0.3, and 0.8 from the SAMI, MAGPI, and LEGA-C surveys, to measure the excess kurtosis h4 of the stellar velocity distribution, the latter parametrized as a Gauss–Hermite series. We find that at all redshifts where we have large enough samples, h4 anticorrelates with the ratio between rotation and dispersion, highlighting the physical connection between these two kinematic observables. In addition, and independently from the anticorrelation with rotation-to-dispersion ratio, we also find a correlation between h4 and M⋆, potentially connected to the assembly history of galaxies. In contrast, after controlling for mass, we find no evidence of independent correlation between h4 and aperture velocity dispersion or galaxy size. These results hold for both star-forming and quiescent galaxies. For quiescent galaxies, h4 also correlates with projected shape, even after controlling for the rotation-to-dispersion ratio. At any given redshift, star-forming galaxies have lower h4 compared to quiescent galaxies, highlighting the link between kinematic structure and star-forming activity.</jats:p> STFC ERC Royal Society Professorship Article in Journal/Newspaper sami Apollo - University of Cambridge Repository |
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Apollo - University of Cambridge Repository |
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ftunivcam |
language |
English |
topic |
5101 Astronomical Sciences 51 Physical Sciences |
spellingShingle |
5101 Astronomical Sciences 51 Physical Sciences D'eugenio, F Van Der Wel, A Derkenne, C Van Houdt, J Bezanson, R Taylor, EN Van De Sande, J Baker, WM Bell, EF Bland-Hawthorn, J Bluck, AFL Brough, S Bryant, JJ Colless, M Cortese, L Croom, SM Van Dokkum, P Fisher, D Foster, C Fraser-Mckelvie, A Gallazzi, A De Graaff, A Groves, B Del P. Lagos, C Looser, TJ Maiolino, R Maseda, M Mendel, JT Nersesian, A Pacifici, C Piotrowska, JM Poci, A Remus, RS Sharma, G Sweet, SM Thater, S Tran, KV Übler, H Valenzuela, LM Wisnioski, E Zibetti, S Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys |
topic_facet |
5101 Astronomical Sciences 51 Physical Sciences |
description |
<jats:title>ABSTRACT</jats:title> <jats:p>We present the first statistical study of spatially integrated non-Gaussian stellar kinematics spanning 7 Gyr in cosmic time. We use deep, rest-frame optical spectroscopy of massive galaxies (stellar mass $M_\star \gt 10^{10.5} \, \mathrm{M_\odot }$) at redshifts z = 0.05, 0.3, and 0.8 from the SAMI, MAGPI, and LEGA-C surveys, to measure the excess kurtosis h4 of the stellar velocity distribution, the latter parametrized as a Gauss–Hermite series. We find that at all redshifts where we have large enough samples, h4 anticorrelates with the ratio between rotation and dispersion, highlighting the physical connection between these two kinematic observables. In addition, and independently from the anticorrelation with rotation-to-dispersion ratio, we also find a correlation between h4 and M⋆, potentially connected to the assembly history of galaxies. In contrast, after controlling for mass, we find no evidence of independent correlation between h4 and aperture velocity dispersion or galaxy size. These results hold for both star-forming and quiescent galaxies. For quiescent galaxies, h4 also correlates with projected shape, even after controlling for the rotation-to-dispersion ratio. At any given redshift, star-forming galaxies have lower h4 compared to quiescent galaxies, highlighting the link between kinematic structure and star-forming activity.</jats:p> STFC ERC Royal Society Professorship |
format |
Article in Journal/Newspaper |
author |
D'eugenio, F Van Der Wel, A Derkenne, C Van Houdt, J Bezanson, R Taylor, EN Van De Sande, J Baker, WM Bell, EF Bland-Hawthorn, J Bluck, AFL Brough, S Bryant, JJ Colless, M Cortese, L Croom, SM Van Dokkum, P Fisher, D Foster, C Fraser-Mckelvie, A Gallazzi, A De Graaff, A Groves, B Del P. Lagos, C Looser, TJ Maiolino, R Maseda, M Mendel, JT Nersesian, A Pacifici, C Piotrowska, JM Poci, A Remus, RS Sharma, G Sweet, SM Thater, S Tran, KV Übler, H Valenzuela, LM Wisnioski, E Zibetti, S |
author_facet |
D'eugenio, F Van Der Wel, A Derkenne, C Van Houdt, J Bezanson, R Taylor, EN Van De Sande, J Baker, WM Bell, EF Bland-Hawthorn, J Bluck, AFL Brough, S Bryant, JJ Colless, M Cortese, L Croom, SM Van Dokkum, P Fisher, D Foster, C Fraser-Mckelvie, A Gallazzi, A De Graaff, A Groves, B Del P. Lagos, C Looser, TJ Maiolino, R Maseda, M Mendel, JT Nersesian, A Pacifici, C Piotrowska, JM Poci, A Remus, RS Sharma, G Sweet, SM Thater, S Tran, KV Übler, H Valenzuela, LM Wisnioski, E Zibetti, S |
author_sort |
D'eugenio, F |
title |
Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys |
title_short |
Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys |
title_full |
Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys |
title_fullStr |
Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys |
title_full_unstemmed |
Different higher order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI, and LEGA-C surveys |
title_sort |
different higher order kinematics between star-forming and quiescent galaxies based on the sami, magpi, and lega-c surveys |
publisher |
Oxford University Press (OUP) |
publishDate |
2023 |
url |
https://www.repository.cam.ac.uk/handle/1810/350303 https://doi.org/10.17863/CAM.96912 |
genre |
sami |
genre_facet |
sami |
op_relation |
https://www.repository.cam.ac.uk/handle/1810/350303 https://doi.org/10.17863/CAM.96912 |
op_rights |
Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.17863/CAM.96912 |
_version_ |
1788065068008603648 |