[C I] 809 GHz Imaging of the NGC 6334 Complex

Details [C I] 809 GHz Imaging of the NGC 6334 Complex [C I] 809 GHz Imaging of the NGC 6334 Complex

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasj...58..753k&link_type=abstract

Publications of the Astronomical Society of Japan, Vol.58, No.4, pp.753-757

Astronomy and Astrophysics

Astronomy

3

Ism: Dissociation Regions, Ism: Lines, Submillimeter: Lines

Scientific paper

We present Antarctic Submillimeter Telescope and Remote Observatory (AST/RO) observations of submillimeter emissions from the NGC 6334 complex for both the 12[CI]3P2 -> 3P1 fine-structure line of atomic carbon and the 12CO J = 4->3 rotational transition of CO. We detected strong 12[CI]3P2 -> 3P1 emission from the entire star-forming NGC 6334 complex, and present maps of 12[CI]3P2 -> 3P1 emission and 12CO J = 4->3 emission. Comparing these maps with archival ASCA data, we show that, to the south of NGC 6334, the [CI] emissions are likely to be associated with strong X-ray emissions from the FIR sources. However, the calculation using the X-ray dissociation region model shows that the majority of the [CI] emission can not arise from X-ray dissociation of the cloud. Alternatively, far-ultraviolet radiation produced in the photodissociation regions is expected to contribute to dissociate the carbon monoxide in the NGC 6334 complex.

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