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JWST COMPASS: Insights into the Systematic Noise Properties of NIRSpec/G395H from a Uniform Reanalysis of Seven Transmission Spectra

  • Authors: Tyler A. Gordon, Natalie M. Batalha, Natasha E. Batalha, Artyom Aguichine, Anna Gagnebin, James Kirk, Mercedes López-Morales, Annabella Meech, Nicholas Scarsdale, Johanna Teske, Nicole L. Wallack, Nicholas Wogan

Tyler A. Gordon et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 10.

Superimposed power spectra for the principal components of the NRS1 RPF time series for all visits separated by three-group observations (left), four-group observations (middle), and seven-group observations (right). The most prominent peaks in the power spectra are identified with vertical dashed lines at 3.4 and 3.6 minutes. These peaks do not appear in observation. The colors map to the colors for each planet’s spectrum shown in Figure 8.

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