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The co-responsibility of mass and environment in the formation of lenticular galaxies

Published online by Cambridge University Press:  29 March 2021

A. Cortesi Open the ORCID record for A. Cortesi [Opens in a new window] ,
L. Coccato ,
M. L. Buzzo Open the ORCID record for M. L. Buzzo [Opens in a new window] ,
K. Menéndez-Delmestre Open the ORCID record for K. Menéndez-Delmestre [Opens in a new window] ,
T. Goncalves ,
C. Mendes de Oliveira ,
M. Merrifield  and
M. Arnaboldi Open the ORCID record for M. Arnaboldi [Opens in a new window]
A. Cortesi
Affiliation:
Observatório do Valongo, Ladeira do Pedro Antônio 43, Rio de Janeiro, RJ, Brazil email: aricorte@astro.ufrj.br
L. Coccato
Affiliation:
European Southern Observatory, Karl-Schwarzchild-str., 2, D-85748 Garching b. Muenchen, Germany
M. L. Buzzo
Affiliation:
Universidade de São Paulo, IAG, Rua do Matão 1226, Saão Paulo, Brazil
K. Menéndez-Delmestre
Affiliation:
Observatório do Valongo, Ladeira do Pedro Antônio 43, Rio de Janeiro, RJ, Brazil email: aricorte@astro.ufrj.br
T. Goncalves
Affiliation:
Observatório do Valongo, Ladeira do Pedro Antônio 43, Rio de Janeiro, RJ, Brazil email: aricorte@astro.ufrj.br
C. Mendes de Oliveira
Affiliation:
Universidade de São Paulo, IAG, Rua do Matão 1226, Saão Paulo, Brazil
M. Merrifield
Affiliation:
School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, UK
M. Arnaboldi
Affiliation:
European Southern Observatory, Karl-Schwarzchild-str., 2, D-85748 Garching b. Muenchen, Germany
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Abstract

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We present the latest data release of the Planetary Nebulae Spectrograph Survey (PNS) of ten lenticular galaxies and two spiral galaxies. With this data set we are able to recover the galaxies’ kinematics out to several effective radii. We use a maximum likelihood method to decompose the disk and spheroid kinematics and we compare it with the kinematics of spiral and elliptical galaxies. We build the Tully- Fisher (TF) relation for these galaxies and we compare with data from the literature and simulations. We find that the disks of lenticular galaxies are hotter than the disks of spiral galaxies at low redshifts, but still dominated by rotation velocity. The mechanism responsible for the formation of these lenticular galaxies is neither major mergers, nor a gentle quenching driven by stripping or Active Galactic Nuclei (AGN) feedback.

Keywords

galaxies: elliptical and lenticularcDgalaxies: evolutiongalaxies: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S359: Galaxy Evolution and Feedback across Different Environments , March 2019 , pp. 173 - 174
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union

References

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Tapia, T., Eliche-Moral, M. C., Aceves, H., et al. 2017, A&A, 604, A105 Google Scholar
Saha, K. & Cortesi, A. 2018, ApJL, 862, L12 10.3847/2041-8213/aad23aCrossRefGoogle Scholar
van den Bergh, S. 1990, ApJ, 348, 57 CrossRefGoogle Scholar