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Environmental effects on the atomic gas content of galaxies in the local universe

Published online by Cambridge University Press:  21 March 2013

Cheng Li
Cheng Li*
Affiliation:
Max Planck Institute Partner Group at Shanghai Astronomical Observatory Nandan Road 80, Shanghai 200030, China email: [email protected]
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Abstract

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Effects of galaxy environment on its cold gas content are studied in detail using different date sets and statistics. These include measuring the clustering of galaxies as a function of their Hi mass fraction, quantifying the depletion of Hi gas content of cluster galaxies as a function of cluster-centric radius, and comparing the dependence of environmental density on galaxy star formation rate with the dependence on Hi gas mass fraction. Results from these studies are all consistent with a picture in which ram-pressure stripping may play an important role in removing atomic gas from the outer disks of low mass satellite galaxies.

Keywords

galaxies: abundances — galaxies: distances and redshifts — galaxies: formation — galaxies: ISM — large-scale structure of universe — dark matter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S292: Molecular Gas, Dust, and Star Formation in Galaxies , August 2012 , pp. 149 - 152
Copyright
Copyright © International Astronomical Union 2013

References

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