Dust and molecular properties of the low-opacity cloud LYNDS 1563

Details Dust and molecular properties of the low-opacity cloud LYNDS 1563 Dust and molecular properties of the low-opacity cloud LYNDS 1563

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...370..237c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 370, March 20, 1991, p. 237-242. Research supported by NASA.

Astronomy and Astrophysics

Astronomy

4

Cosmic Dust, Interstellar Matter, Molecular Clouds, Abundance, Carbon Monoxide, Infrared Astronomy Satellite, Interstellar Extinction

Scientific paper

Optical, molecular, and far-infrared data are analyzed for L1563, estimated peak Ab 2.5 mag. The cloud is detected by IRAS at 12, 25, 60, and 100 microns, and with CO, (C-13)O, and H2CO molecules. A column density comparison yields an estimate of the temperature of the classical dust grains of 15.6 + or - 1 K, while the color temperature derived from the ratio I(60)/I(100) is 26 K. Both dust and color temperatures decrease toward the cloud center.

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