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Gaseous discs at intermediate redshifts from kinematic data modelling

Published online by Cambridge University Press:  12 October 2016

R. Kipper ,
A. Tamm ,
P. Tenjes  and
E. Tempel
R. Kipper
Affiliation:
Tartu Observatory, Observatooriumi 1, 61602 Tõravere, Estonia Institute of Physics, University of Tartu, 51010 Tartu, Estonia
A. Tamm
Affiliation:
Tartu Observatory, Observatooriumi 1, 61602 Tõravere, Estonia
P. Tenjes
Affiliation:
Tartu Observatory, Observatooriumi 1, 61602 Tõravere, Estonia Institute of Physics, University of Tartu, 51010 Tartu, Estonia
E. Tempel
Affiliation:
Tartu Observatory, Observatooriumi 1, 61602 Tõravere, Estonia
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Abstract

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Our purpose is to measure thickness of gaseous discs in 0 < z < 1.2 galaxies. As gas dispersions are sensitive to scale height of gaseous discs, we model the kinematics of galaxies using Jeans equations. The resulting thicknesses of gaseous discs at higher redshifts are more thicker (and arbitrary) while nearby ones are thinner. We also found that clumpiness of galaxy is a possible indicator of the gas disc thickness.

Keywords

galaxies: bulges - galaxies: kinematics and dynamics - galaxies: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S308: The Zeldovich Universe: Genesis and Growth of the Cosmic Web , June 2014 , pp. 469 - 470
Copyright
Copyright © International Astronomical Union 2016 

References

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