II. User's Guide to the 2MASS All-Sky Data Release

6. Ancillary Files

h. Image Anomalies

Table 1h: Electronic feedback artifacts

The code (Cde) is as follows --
 
   b - backgrounding problems
   c - cosmic ray
   e - electronic artifact
   g - glint from edge of chip
   i - insect trail
   m - meteor trail
   r - reflection artifact from bright star
   s - satellite trail

Key refers to the cntr in coadd_dat (the "coadd_key").
 
 Date   H Scn Img Cde   Key    Description
 ------ - --- --- --- -------  -----------
 990720 s 070 267  e   646875  line-128 artifact at 273.710468, +0.176681

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