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instrument-systematics

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Biswajit1999 / tess-stray-light

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TESS stray-light systematics study using source-linked mission data and reproducible diagnostics to examine background contamination, photometric quality and the observational limits imposed by scattered light.

astronomy reproducible-research scientific-computing photometry data-analysis background-subtraction data-quality time-series-analysis tess stray-light observational-astronomy instrument-systematics
  • Updated Aug 10, 2026
  • Python

Biswajit1999 / k2-18b-exoplanet-report

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Temperate sub-Neptune atmosphere audit combining public JWST NIRISS, NIRSpec and MIRI spectra to test disputed molecular features, inter-instrument offsets and the evidence limits around K2-18 b's atmospheric interpretation.

astronomy reproducible-research exoplanets scientific-visualization astrophysics data-analysis jwst planetary-science atmospheric-chemistry miri niriss astronomical-data nirspec observational-astronomy transmission-spectroscopy nasa-exoplanet-archive k2-18b exoplanet-research temperate-sub-neptune instrument-systematics
  • Updated Sep 24, 2026
  • Python

Biswajit1999 / jwst-shutter-light

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JWST/NIRSpec microshutter-array diagnostic for shutter behavior, light leakage and spectroscopy systematics, using reproducible instrument-focused analysis to examine data-quality impacts and measurement limits.

astronomy reproducible-research scientific-computing data-analysis spectroscopy data-quality jwst astronomical-spectroscopy nirspec observational-astronomy astronomical-instrumentation space-telescope instrument-systematics microshutter-array
  • Updated Sep 26, 2026
  • Python

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