ETC versions
About
What the Lazuli calculators share: scope and known limits, installed engine versions, and where the instrument documentation lives. Each calculator documents its own model on its About tab.
The Lazuli ETCs provide observation-planning estimates for three instrument modes. Each result is produced by a separately versioned engine using its installed instrument configuration. A shareable result URL records the resolved form inputs; an exported notebook records the calculation and engine provenance. Each calculator’s model, assumptions and throughput curves are documented on its own About tab: WCC, IFS (including transit spectroscopy) and ESC.
The version shown here is the code currently serving calculations. Result cards and exported notebooks also identify the engine version and source commit used for a run.
Zodiacal backgrounds are scalar surface-brightness inputs. They are not computed from coordinates, solar elongation, or observing date.
The forms do not apply interstellar extinction. Stellar-library coverage is finite; use a custom spectrum where the available templates are not representative.
Unless explicitly described above, cosmic-ray losses, persistence, correlated 1/f noise, inter-pixel capacitance, brighter-fatter behavior, and charge diffusion are not modeled.
Use inputs within the configured instrument domain and treat saturation or calculation warnings as invalidating conditions. Record the engine version, commit, resolved inputs, and configuration with any reported result.