About
About WFC3
The Wide Field Camera 3 (WFC3) is a fourth-generation UVIS/IR imager aboard the Hubble Space Telescope (HST). WFC3 was installed in May 2009 during HST servicing mission 4, and replaces the Wide Field Planetary Camera 2 (WFPC2).
WFC3 is designed to ensure that HST maintains its powerful imaging capabilities until the end of its mission, while at the same time advancing its survey and discovery capability through WFC3’s combination of broad wavelength coverage, wide field of view, and high sensitivity. A key feature of WFC3 is its panchromatic wavelength coverage. By combining two optical/ultraviolet CCDs with a near-infrared HgCdTe array, WFC3 is capable of direct, high-resolution imaging over the entire wavelength range from 200 to 1700 nm. Equipped with a comprehensive range of wide-, intermediate-, and narrow-band filters, WFC3 has broad applicability to a variety of new astrophysical investigations.
WFC3 is a facility instrument. It was developed, constructed, characterized, and calibrated by an Integrated Product Team (IPT) led by NASA’s Goddard Space Flight Center (GSFC), and composed of staff astronomers and engineers from GSFC, STScI, Ball Aerospace & Technologies Corp., the Jet Propulsion Laboratory (JPL), and other industrial contractors.
Current Status
Operating nominally
NEW: Cycle 34 Instrument Handbook
HST Jupyter Notebooks & Tutorials
Data Quality Assessment Checklist (useful for Exception Reports)
Web Tools and Helpful Links
Instrument Comparison for Cycle 32
Program Information
WFC3 Instrument Resources
Recently Published Documents
ISRs
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July 21, 2026A. O'Connor, J. Mack, V. Bajaj
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ISR 2026-01: Updates to the WFC3/IR Photometric Stability Stellar Cluster Study
May 06, 2026K. Huynh & V. Bajaj -
ISR 2025-09: Testing and Validation of the Updated Pixel-Based Non-Linearity Calibration File for WFC3/IR
February 04, 2026K. Huynh, V. Bajaj, M. Marinelli, J. Mack, S. Shenoy, N. Grogin -
ISR 2025-08: Pixel-Based Non-Linearity Correction for the WFC3 IR Detector
November 04, 2025S. Shenoy, K. Huynh, V. Bajaj, J. Mack -
ISR 2025-07: How Single-Star Guiding Affects HST’s Pointing Stability
October 17, 2025J. Anderson & S. Baggett
STANs
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WFC3 STAN Issue 53, July 2026
July 30, 2026 -
WFC3 STAN Issue 52, June 2026
June 12, 2026 -
WFC3 STAN Issue 51, March 2026
March 23, 2026 -
WFC3 STAN Issue 50, October 2025
October 17, 2025 -
WFC3 STAN Issue 49, June 2025
June 05, 2025
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