Overview: HST Datasets ST-ECF Archive

HST Science Files

A single HST exposure consists of a collection of files known as a dataset. Raw (uncalibrated) and calibrated files are available for each dataset, as are files describing the data quality and calibration process.

The files in a HST dataset all share the same nine characters rootname (IPPPSSOOT).

Typical sizes for HST datasets belonging to different instruments are listed in the dataset size table.

Datasets pertaining to different HST instruments contain different types of files:

Other information on this topic is available in the data analysis cookbook.

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Last update: Jul 31, 1996