Behind the vdB102 reflection nebula - A study of a compact molecular cloud's envelope at G355.5 + 20.9

Details Behind the vdB102 reflection nebula - A study of a compact molecular cloud's envelope at G355.5 + 20.9 Behind the vdB102 reflection nebula - A study of a compact molecular cloud's envelope at G355.5 + 20.9

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.137..217v&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 137, no. 2, Oct. 1987, p. 217-224.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Spectroscopy, Line Spectra, Molecular Clouds, Reflection Nebulae, Specular Reflection, Abundance, Data Reduction, Parameter Identification

Scientific paper

Line observations of the methylidyne (CH) molecule were performed at Algonquin, toward the reflection nebula vdB102. An analysis of the molecular cloud behind vdB102 yielded several envelope parameters, notably a CH column density of 1×1013cm-2, a microturbulent velocity of 1.4 km s-1, and a total space density of 1300 cm-3. These observed data are consistent with a stationary reflection nebula roughly facing the earth, located on the near side of the surface of a compact molecular cloud.

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