Promises and Limitations - NASA

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Systematic Noise Estimate Models• Focus and pointing drifts are likely the biggest impact for JWSTNIRSpec due to its undersampled PSF. Most critical below 2.5 or 3microns.• NIRISS GR700XD, NIRCam grism, and MIRI LWS all minimal impactP. Deroo 2011 submitted8
HD 189733b Gas GiantH 2OH 2OH 2OCH 4H 2OCH 4CHH 2O H O H O 4H2 2 2OCH 4• Only 1 transit (top) or eclipse (bottom) plus time on star for each (1 NIRSpec + 1 MIRI)• Multiple features of several molecules separate compositions, temperature, anddistributions (J. Fortney group models + JWST simulation code)9
Page 1 and 2: Exoplanet Transit and Eclipsespectr
Page 3 and 4: Some Outstanding Issues• What spe
Page 5 and 6: What are the optimum JWST targets?
Page 7: JWST Systematic Noise Estimates•
Page 11 and 12: 4 MIRI eclipses summedSingle transi
Page 13 and 14: Are Earth transmission spectra poss
Page 15 and 16: How to progress beyond individual p

Promises and Limitations - NASA

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