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- wide field slitless spectroscopy (WFSS), to improve PSF sampling
5. What are the four factors to consider when choosing a PSF reference (i.e., calibrator)
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1. What is the wavelength coverage of NIRSpec? What is the pixel scale of NIRSpec?
- 0.6-5.3um, 0.1"/px
2. What is the field of view of the NIRSpec Micro-Shutter Assembly? What is the field of
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designing the observations?
- if determined necessary, subtract MSA leakage using dedicated MSA leakage exposures
6. What do I do if I need precise centering for a target that’s too bright for WATA?
- (1) use the standard MSATA algorithm which utilizes faint reference stars in the field, (2) acquire a nearby fainter star and offset to the desired bright target (fixed targets only), or (3) observe without using any target acquisition.
7. I want to use a 0.2" fixed slit to observe a source with an emission feature at 1.355
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that box, and is it a required input?
- optional, but strongly encouraged for any target acquisition specifictions; enter the Calculation ID from ETC workbook
2. The JWST Web site lists accepted Early Release Science programs:
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inspection. How do I do that?
3. If I am requesting a sequence of observations that need to be chained together in time
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4. Why does my observation have "Implicit" special requirements in APT, and why can't I
edit them?
- Implicit requirements are placed on observations automatically by the scheduling system, and are not editable; they are shown to the user for information only.
5. Which APT observation templates fall into the category of mini-mosaics?
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