Nuclear molecular gas in the Virgo cluster S0 galaxy NGC 4710

Details Nuclear molecular gas in the Virgo cluster S0 galaxy NGC 4710 Nuclear molecular gas in the Virgo cluster S0 galaxy NGC 4710

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...399...94w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 399, no. 1, p. 94-99.

Astronomy and Astrophysics

Astrophysics

14

Galactic Nuclei, Interstellar Gas, Molecular Gases, Spiral Galaxies, Star Formation, Carbon Monoxide, Cooling Flows (Astrophysics), Emission Spectra, Galactic Structure, Gravitational Effects, Virgo Galactic Cluster

Scientific paper

The CO (J=1 yields 0) emission from NGC 4710, a star forming S0 galaxy in the Virgo Cluster, was synthesized with spatial and velocity resolutions of 7 arcsec and 26 km/s 1 respectively. The CO shows a compact morphology and corotates with the galaxy's stars and nuclear optical emission-line gas. Analysis of the CO distribution and kinematics indicates that the nuclear molecular gas is probably gravitationally unstable, and this may explain why the galaxy is presently forming stars. Four possible origins for the nuclear molecular gas are considered. An origin via bulge star ejecta being deposited into a residual interstellar medium is favored.

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