Detection of H I in the elliptical galaxy NGC 5173

Details Detection of H I in the elliptical galaxy NGC 5173 Detection of H I in the elliptical galaxy NGC 5173

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...138...77k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 138, no. 1, Sept. 1984, p. 77-84.

Astronomy and Astrophysics

Astronomy

12

Astronomical Catalogs, Elliptical Galaxies, Galactic Radiation, Interstellar Gas, Mass To Light Ratios, Astronomical Maps, H Ii Regions, Hydrogen Atoms, Hydrogen Ions, Radio Astronomy

Scientific paper

Westerbork Synthesis Radio Telescope observations of the elliptical galaxy NGC 5173 are described, and results on the H I distribution and dynamics of the galaxy are given. The mass of H I is 1.2 billion solar masses and its mass-to-light ratio is 0.11 solar mass/solar luminosity. The galaxy shows strong 3727 A emission from its central regions which suggests a cause-and-effect relationship between the presence of the H I cloud and that of the H II region. The galaxy is not a source of radio continuum emission, however.

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