IRAC and IRS Observations of RCW108

Details IRAC and IRS Observations of RCW108 IRAC and IRS Observations of RCW108

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop..112f&link_type=abstract

Spitzer Proposal ID #112

Astronomy and Astrophysics

Astronomy

Scientific paper

RCW 108 is an Orion analog in the Southern Hemisphere. It is a site of high mass star formation that is heavily obscured at optical wavelengths. MSX images obtained at 8 micron with 20-arcsecond resolution hint at a complex underlying structure. Observations of RCW 108 with the Submillimeter Wave Astronomy Satellite (SWAS) reveal the 2nd strongest water emission line detected from any source in the Galaxy, after Orion BN/KL. The wavelength range of the IRS Long-High mode includes 8 water transitions with energies above the ground-sate of less than 900 K. These lines will be searched for to test for the presence of warm gas, such as might be expected from a shock.

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