Atomic and Molecular Gas Components in Spiral Galaxies of the Virgo Cluster

Details Atomic and Molecular Gas Components in Spiral Galaxies of the Virgo Cluster Atomic and Molecular Gas Components in Spiral Galaxies of the Virgo Cluster

2012-01-10

arxiv.org/abs/1201.2029v1

Astronomy Letters, 2012, Vol. 38, No. 2, pp. 63-73

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

11 pages, 4 figures

Scientific paper

Based on two models, we investigate the molecular-to-atomic gas ratio in Virgo cluster galaxies in comparison with field galaxies. We show that the enhanced metallicity for cluster members and the ram pressure stripping of atomic gas from the disk periphery cannot fully explain the observed gas component ratios. The additional environmental factors affecting the interstellar medium and leading to an increase in the molecular gas fraction should be taken into account for cluster galaxies.

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