To estimate the effects of CTE, see the WFPC2 CTE Estimation Tool For Point Sources.
For detailed information on WFPC2s Charge Transfer Efficiency (CTE) and its effects, see:
Andrew Dolphin's CTE Website (if this link does not work, here is a copy of Andy's webpage kept locally.
CTE Correction Formula from Andrew Dolphin (2000).
WFPC2 ISR 02-03: Charge Transfer Efficiency for Very Faint Objects and a Reexamination of the Long-vs-Short Problem for the WFPC2.
WFPC2 ISR 01-09: The WFPC2 Photometric CTE Monitor.
WFPC2 ISR 00-04: How CTE Affects Extended Sources.
WFPC2 ISR 00-03: Update on Charge Trapping and CTE Residual Images in WFPC2.
WFPC2 ISR 99-04: Time Dependence of CTE from Cosmic Ray Trails.
WFPC2 ISR 98-02: The Long vs. Short Anomaly in WFPC2 Images.
WFPC2 ISR 97-08: New Results on Charge Transfer Efficiency and Constraints on Flat-Field Accuracy.
WFPC2 ISR 97-05: Charge Trapping and CTE Residual Images in the WFPC2 CCDs.
The WFPC2 Instrument Handbook.
The CTE Poster from the June 2001 AAS meeting.
The CTE Poster from the January 2001 AAS meeting.
The CTE Poster from the June 2000 AAS meeting.