Lazuli ETC
ETC versions About
Astrophysics & Space Lazuli

Lazuli Exposure Time Calculator

Exposure time calculators for Lazuli's three instruments.

Choose an instrument to estimate signal, background, and observing time.
Open WCC ->
WCC

Wide-field Context Camera

Filter mosaic on a single detector. Compute SNR from source, background, sensor/filter, aperture, jitter, exposure time, and read count.

 IFS

Integral Field Spectrograph

Spectroscopic ETC for stellar, SN Ia, and custom spectra with requested SNR, wavelength range, readout mode, and CSV export.

 ESC

ExtraSolar Coronagraph

High-contrast imaging for planet/star contrast, separation, zodiacal backgrounds, integration time, and post-processing gain.