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Dr. Angela Schultz
“Massive Star Formation and the Proper Motions of the OMC-1 Molecular Hydrogen Fingers"
HST–GO–10620.06
In this project the NICMOS camera 2 will be used to re-image the molecular emission and associated continuum around Orion BN/KL, covering the region with 48 partially overlapping fields. All fields are located relative to a single fiducial position. Most locations in the region will appear in four different fields and all images have exactly the same orientation to facilitate combining all the measurements into a single, high precision image. These image swill be compared with previous NICMOS camera 2 and camera 3 line and continuum observations to measure small changes in position and morphology of the molecular hydrogen emission during the intervening period. The ultimate goal of this work is to measure position shifts as small as 0.25 pixels, 1-sigma – a level achieved in ground-based measurements of less complicated fields, but requiring considerable attention to detail as well as the stable repeatable point spread function of Hubble Space Telescope.