Last modified: December 2020

URL: https://cxc.cfa.harvard.edu/ciao/ahelp/level.html
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AHELP for CIAO 4.13

level

Context: chandra

Synopsis

Describes the amount of processing performed to create a given product.

Description

The processing level (ranging from 0-3) describes the extent of processing performed to create a Chandra data product. All products (event files, pha files, aspect files, etc.) have a level according to strictly defined criteria. These are outlined, with comments for users, below.

The Chandra Source Catalog page contains more information on the L3 products.

See Also

calibration
caldb
chandra
coords, pileup, times
concept
autoname, ciao, ciao-install, ciaorc, history, parameter, stack, subspace
dm
dm, dmascii, dmbinning, dmfiltering, dmmasks, dmopt, dmregions
paramio
paramio