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JWST Community Lectures

Planning MOS Spectroscopy with the NIRSpec Micro-Shutter Array (MSA)

Presented by: Diane Karakla (STScI)
Category: JWST Meetings   Duration: 1 hour   Broadcast date: February 28, 2017
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I will present an overview of the process for planning multi-object spectroscopy using the NIRSpec MSA, and will demonstrate the software tool to help plan MOS observations using a typical science case. The MSA Planning Tool (MPT) is currently available in APT (apt.stsci.edu). I will illustrate how parameters used by MPT can be tailored to specific science cases. The case I will highlight is the observation of high redshift galaxies in the HUDF. Target weighting, Monte Carlo shuffling, and shutter-centering constraints will be utilized to optimize the design of dithered observations. I will demonstrate how to examine planning results to assess the quality of the plan, and finally, create an observation from the plan.

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