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Empirical Modeling of Zodiacal Backgrounds to Improve JWST NIRISS/SOSS Data Reduction
Tyler Baines, Aarynn Carter, Néstor Espinoza +3
Zodiacal light -- arising from both the thermal emission and scattered sunlight by interplanetary dust -- is the dominant component of the sky background in NIRISS Single Object Sl…
Effects of Jump Detection and Ramp Fitting Algorithms on NIRISS/SOSS Exoplanet Time-Series Observations
Aarynn Carter, Néstor Espinoza, Loïc Albert +4
Jump detection and ramp fitting are fundamental steps when elevating JWST data products from up-the-ramp measurements to integration level count rate images. Occurring at an early…
Characterization of the visit-to-visit Stability of the GR700XD Wavelength Calibration for NIRISS/SOSS Observations
Tyler Baines, Néstor Espinoza, Joseph Filippazzo +1
When utilizing the NIRISS/SOSS mode on JWST, the pupil wheel (tasked with orienting the GR700XD grism into the optical path) does not consistently settle into its commanded positio…
Characterization of the visit-to-visit Stability of the GR700XD Spectral Traces for NIRISS/SOSS Observations
Tyler Baines, Néstor Espinoza, Joseph Filippazzo +1
In this report, we present the results of our analysis of trace position changes during NIRISS/SOSS observations. We examine the visit-to-visit impact of the GR700XD pupil wheel (P…