SIMBA observations of the R Corona Australis molecular cloud

Details SIMBA observations of the R Corona Australis molecular cloud SIMBA observations of the R Corona Australis molecular cloud

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26a...409..235c&link_type=abstract

Astronomy and Astrophysics, v.409, p.235-244 (2003)

Astronomy and Astrophysics

Astrophysics

37

Ism: Dust, Extinction, Stars: Circumstellar Matter, Stars: Formation

Scientific paper

We have mapped the R Corona Australis molecular cloud at 1.2 mm with SIMBA on SEST and detected 25 distinct dust emission peaks. While 7 of them coincide with positions of previously known young stars, 18 are seemingly not associated with any known stellar object. We discuss the nature of individual sources and conclude that there are at least four small concentrations of young objects located along the filamentary shaped cloud. A comparison with C18O data hints at the depletion of molecules in some of the cores. Our new results yield some conflicting arguments about whether star formation proceeds from north-west to south-east in the R Cr A cloud.
Based on observations collected at the European Southern Observatory, La Silla, Chile.
Appendices A and B are only available in electronic form at http://www.edpsciences.org

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