A Large-Scale CO Mapping of the Central Region of W 51

Details A Large-Scale CO Mapping of the Central Region of W 51 A Large-Scale CO Mapping of the Central Region of W 51

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasj...53..793o&link_type=abstract

Publications of the Astronomical Society of Japan, Vol.53, No. 5, pp.793-798

Astronomy and Astrophysics

Astronomy

4

Ism: Clouds, Ism: H Ii Regions, Ism: Kinematics And Dynamics, Ism: Molecules, Stars: Formation

Scientific paper

We present a high-resolution (16'') 13CO(J=1-0) map of the central region of W 51. We observed an area of about 15'.3 × 16'.7, which covers the entire region of G49.5-0.4, the brightest source in the W 51 region. Four discrete molecular clouds were identified toward G49.5-0.4, and evidence of cloud-cloud collisions was found. We speculate that a ``pileup'' of three molecular clouds resulted in a burst of massive star formation in G49.5-0.4.

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