{
  "source": "https://hst-docs.stsci.edu/stisihb/chapter-6-exposure-time-calculations/6-4-computing-exposure-times",
  "checkedAtIST": "2026-10-27",
  "type": "Explicitly illustrative expected-noise calculation, not observational data or camera benchmarks",
  "inputs": "All rates in electrons per second across9-pixel aperture; read noise3electrons RMS/pixel/read;3600seconds total. Full values and exclusions in noise-results.json.",
  "uncertainty": "No empirical uncertainty interval. Limitations are stated in article and JSON.",
  "license": "Source facts/parameters attributed; no third-party scientific images reproduced."
}