Data Artifacts: Outline Of Talk

• Overall Limits to Anomalies Causing photometric errors

• Known Anomalies

  • Airglow
  • untracked seeing^*
  • electronic noise pickup^*
  • biases in elliptical parameters
  • Low H-coverage regions^*
  • meteors^*

  ^* Needs further analysis

http://spider.ipac.caltech.edu/tchester/2mass/dec98/anomalies.html Comments and feedback: Tom Chester Last update: 7 December 1998.

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