NASA's James Webb Space Telescope

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JWST Community Lecture Series - The Proposal Planning Process for NIRSpec Observations That Use the Micro-Shutter Assembly (MSA) (T. Beck)

Community Lecture
May 9, 2017 11:00 AM EDT - May 9, 2017  12:00 PM EDT
Baltimore STScI Muller Auditorium

The Near-Infrared Spectrograph (NIRSpec) is the work-horse spectrograph at 0.6-5μm for the James Webb Space Telescope (JWST). A showcase observing mode of NIRSpec is the Multi- Object Spectroscopy (MOS) mode using configurable shutters in the Micro-Shutter Assembly (MSA). Observations for science or target acquisition that use the MSA are planned and must execute at a specific fixed orient, which in most cases will require a multi-stream observing process. In this talk, I will describe the NIRSpec MSA used for science and standard target acquisition, discuss the multi-step NIRSpec MOS observing process, highlight constraints on planning proposals for NIRSpec MSA-based observations, and discuss the option of same cycle pre-imaging using the JWST NIRCam instrument.