Triggered star formation in the mysterious high-latitude cometary globule CG 12

Details Triggered star formation in the mysterious high-latitude cometary globule CG 12 Triggered star formation in the mysterious high-latitude cometary globule CG 12

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40365g&link_type=abstract

Spitzer Proposal ID #40365

Computer Science

Scientific paper

We propose a Spitzer/IRAC mosaic of the mysterious high-latitude cometary globule CG 12. This will complement our recent Chandra and optical study which revealed a rich population of >50 pre-main sequence stars, many located in front of the globule, in addition to the few previously known intermediate-mass members. Our Spitzer program has three observational goals: 1. to study the protoplanetary disk evolution in both obscured and irradiated locations using the disk-unbiased X-ray sample; 2. to discover new low-mass infrared-excess members of the cluster which were missed by the Chandra observations; 3. to investigate the nature of its star formation (triggered vs. self-gravitational collapse), which may shed light on the unusual origin and evolution of this CG.

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