Atomic Carbon in the W 3 Giant Molecular Cloud

Details Atomic Carbon in the W 3 Giant Molecular Cloud Atomic Carbon in the W 3 Giant Molecular Cloud

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jkas...38..257s&link_type=abstract

Journal of the Korean Astronomical Society, vol. 38, no. 2, pp. 257-260

Astronomy and Astrophysics

Astronomy

2

Ism: Individual: W 3, Ism: Clouds, Ism: Atoms, Submillimeter [Ci] Lines

Scientific paper

We have mapped the W 3 giant molecular cloud in the C^0 ^3P_1--^3P_0 ([CI]) line with the Mount Fuji Submillimeter-wave Telescope. The [CI] emission is extended over the molecular cloud, having peaks at three star forming clouds; W 3(Main), W 3(OH), and AFGL 333. The [CI] emission is found to be strong in the AFGL 333 cloud. We have also observed the C18O, CCS, N_2H^+, and H13CO^+ lines by using the Nobeyama Radio Observatory 45 m telescope. In the AFGL 333 cloud, we find two massive cores, which are highly gravitationally bound and have no sign of active star formation. The high [C^0]/[CO] and [CCS]/[N_2H^+] abundance ratios suggest that the AFGL 333 cloud is younger than the W 3(Main) and W 3(OH) clouds.

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