[105.07] Thermal-IR Imaging of the Orion Nebula with Gemini/T-RECS

AAS 205th Meeting, 9-13 January 2005
Session 105 Triggered Star Formation and the Orion Protostellar Population
Poster, Wednesday, January 12, 2005, 9:20am-6:30pm, Exhibit Hall

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[105.07] Thermal-IR Imaging of the Orion Nebula with Gemini/T-RECS

N. Smith, J. Bally (University of Colorado), T. Hayward (Gemini), R. Shuping (NASA/Ames), M. Morris (UCLA)

We summarize the highlights of recent mid-IR (8.8, 11.7, and 18.3 micron) imaging of a 2.7x1.6 square arcminute region of Orion with 0.35 arcsec spatial resolution, using the T-ReCS camera on Gemini South. We detect dust emission from numerous point sources for the first time at these wavelengths, including most known proplyds in the region, remnant dust disks around stars with no disks seen by HST, and several embedded protostars in the OMC-1 South region. We detect a circumstellar disk around the embedded source IRc9, and we discuss numerous aspects of the diffuse thermal-IR dust emission in the Orion nebula.

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