High-resolution imaging of the galactic cloud Monoceros R2

Details High-resolution imaging of the galactic cloud Monoceros R2 High-resolution imaging of the galactic cloud Monoceros R2

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...398..118g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 398, no. 1, p. 118-127.

Astronomy and Astrophysics

Astronomy

11

Emission Spectra, Interstellar Matter, Molecular Clouds, Star Formation, Abundance, Astronomical Spectroscopy, Carbon Monoxide, Interferometry

Scientific paper

We present high-resolution images (9.8 arcsec x 8.5 arcsec beam size) of HCO(+) J = 1-0 emission from the Galactic cloud Mon R2 obtained using the Hat Creek millimeter interferometer and the Five College Radio Astronomy Observatory 14 m antenna. The HCO(+) emission comes from small optically thick clumps as well as from an extended component. We discuss the relationship between the H II region, as traced by the continuum emission, molecular outflows, as traced by CO emission, and the dense molecular cloud, as traced by the HCO(+) emission. The abundance of HCO(+) in the most massive part of the cloud is consistent with values derived from recent molecular line surveys, but it is relatively enhanced in the less massive regions.

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