The Virgo CO-line survey with NMA: a road to ALMA from Nobeyama

Details The Virgo CO-line survey with NMA: a road to ALMA from Nobeyama The Virgo CO-line survey with NMA: a road to ALMA from Nobeyama

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004asthe..97..262s&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 97, No. 5, p. 262 - 275 (2004)

Astronomy and Astrophysics

Astronomy

Clusters Of Galaxies: Virgo, Spiral Galaxies, Co-Line Surveys

Scientific paper

We have completed a large-scale CO line survey of 14 spiral galaxies in the Virgo cluster of galaxies using the Nobeyama mm-wave Array. We obtained high-resolution rotation curves, and showed the existence of massive cores in the central 100 pc regions. We also found high-density molecular cores in the deep gravitational potential in six galaxies, where star formation is surpressed despite of the extremely high gas density. We discuss the anomalous interstellar condition in the central regions of these galaxies, and suggest a possible scenario of gas accretion-pre-burst-starburst-post burst cycle.

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