Bright limits of Time-Series Observation Modes

A summary of the saturation limits of the JWST TSO modes. 

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Information on where to find the bright limits of JWST instrument modes that may be used for time-series observations is provided below.

Users should always refer to the JWST Exposure Time Calculator for the most up to date sensitivity and saturation limit predictions.


NIRCam time-series imaging and spectroscopy

NIRCam Bright source limits

NIRISS single object slitless spectroscopy (SOSS)

NIRISS Bright limits

NIRSpec bright object time series  (BOTS)


MIRI low-resolution spectroscopy (LRS)

MIRI Bright source limits



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