ISOPHOT far-infrared observations of the dark cloud DC 303.8-14.2

Details ISOPHOT far-infrared observations of the dark cloud DC 303.8-14.2 ISOPHOT far-infrared observations of the dark cloud DC 303.8-14.2

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999esasp.427..695l&link_type=abstract

The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427., p. 695

Mathematics

Logic

1

Dust, Extinction, Ism:Clouds, Infrared: Stars

Scientific paper

We present an analysis of far-infrared observations of the dark cloud DC 303.8-14.2, made with the ISOPHOT instrument aboard ISO at 60, 100 and 200 μm. An IRAS source is located in the center of the cloud. This is a deeply embedded young stellar object (YSO). The purpose of this research is to study the properties of cold dust in the cloud, and to derive more reliable estimates of the evolutionary stage of the YSO. The dust temperature decreases towards the center of the cloud, where it is about 14 K. The circumstellar mass of the YSO is estimated to be about 0.2 Modot. We classify the YSO to be between the Class 0 and Class I evolutionary stages. We also compare the cloud DC 303.8-14.2 with the Thumbprint Nebula, a morphologically similar cloud which has no signs of star formation.

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