Submillimeter observations of CS in M17

Details Submillimeter observations of CS in M17 Submillimeter observations of CS in M17

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...304..780s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 304, May 15, 1986, p. 780-786. Research supported by the University of Mass

Astronomy and Astrophysics

Astronomy

20

Astronomical Spectroscopy, Carbon Compounds, Molecular Clouds, Nebulae, Radio Spectra, Submillimeter Waves, Sulfides, Angular Resolution, Astronomical Maps, Density Distribution, Emission Spectra, Stellar Evolution

Scientific paper

Observations of M17 in the emission of the J = 7-6 transition of CS at a wavelength of 874 microns are presented. The Multiple Mirror Telescope was used as a phase-coherent array to map the CS emission from the dense core in M17 with an angular resolution of 26 arcsec. Observations of the J = 4-3 transition were made at selected positions using the Five College Radio Astronomy Observatory 14 m telescope with comparable angular resolution. The comparison of the emission from the two CS transitions suggests that the density within the core is more than 10 to the 6th/cu cm, and the present data resolve the core into several condensations, each with a size of about 0.7 pc and mass of about 1000 solar masses.

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