What's New in This Revision

The entire Data Handbook has been revised and updated to include the recent publications and results from various calibration programs. We list below the main changes made in different sections.

• Information on Hubble Advanced Products added; additional auxiliary products described (Section 2.1)
• calwf3 procedure updated (Chapter 3)
• UVIS calibration procedure and flowchart updated (Section 3.2)
• IR calibration procedure and flowchart updated (Section 3.3)
• Astrometric alignment updates described (Section 4.2.1)
• generation of Hubble Advanced Products described (Section 4.2.1)
• inclusion of updates to Drizzlepac (Section 4.2.2)
• updated UVIS gain values (Section 5.1.1)
• 2021 and 2022 superbias reference file updates (Section 5.2.1)
• updated UVIS hot pixel characterization (Section 5.3)
• updated description of UVIS full well saturation flagging (Section 5.6.1)
• updated saturation map reference file (Section 5.6.1)
• updated analysis of UVIS shutter timing jitter (Section 5.6.4)
• new figure detailing photometric noise sources (Section 5.6.4)
• new figures comparing UVIS CCD detection layer thickness and fringing in quad filter flats (Section 5.6.5)
• updated fringing comparison in different bands (Section 5.6.5)
• discussion of x-CTE contribution to photometry (Section 6.1)
• new figure visualizing the "trails" that result from CTE taking charge away from downstream pixels, depositing it into upstream pixels (Section 6.3)
• updated characterization of post-flash needed to reduce CTE losses for faint sources (Section 6.4)
• updated discussion of hst1pass (Section 6.4)
• updated information of where to find an analysis of long term UVIS CTE behavior (Section 6.5)
• updated IR gain values (Section 7.2)
• description of new Jupyter notebook to flag blobs using a convolutional neural network (CNN) (Section 7.5.1)
• updated detector map of new blobs (Section 7.5.2)
• updated dithering strategies for blob correction (Section 7.5.3)
• updated collection of time-dependent IR bad pixel tables (Section 7.9.1)
• updated IR Bad Pixel Mask (Section 7.9.1)
• description of 4 new notebooks that are designed to aid users in working with IR file structures and visualization, as well as identifying and correcting issues with data (Section 7.10)
• updated demonstration of background subtraction in IR images affected by scattered light (Section 7.10)
• updated figure detailing deviation of measurements of GF-153 (a spectrophotometric star) versus signal-to-noise (Section 7.11)
• updated photometric repeatability figure and description (Section 7.11)
• figure updated showing pixels affected by persistence subtracted (Section 8.3)
• Photometry section completely rewritten, including a checklist of steps for measuring photometry of sources on images collected with the WFC3 UVIS and IR detectors, and a description of each (Section 9.1)
• discussion of slitlessutils and additional resources (Section 9.3)
• new sky image for G280 (Section 9.3.4)
• updated discussion and guidance on usage of HSTaXe (Section 9.3.6)
• updated discussion of G102 and G141 background sky signal and calibration procedure (Section 9.3.6)
• updated flux monitor figure for G102 and G141 (Section 9.3.7)
• updated discussion of WFC3 analysis tools and corresponding Jupyter notebooks available for users (Section 9.5)
• updated PSF modeling notebook (Section 9.5.2)
• updated Jupyter notebook on using stsynphot to compute photometric keyword values (Section 9.5.3)
• updated discussion of WFC3/UVIS zeropoints (Section 9.5.3)
• updated Jupyter notebook for UVIS time-dependent photometry (Section 9.5.3)
• updated discussion of Jupyter notebooks to help mitigate variable IR background (Section 9.5.4)
• updated discussion of HSTaXe and slitlessutils (Section 9.5.6)
• updated discussion of new tools developed by ACS for satellite trail flagging (Section 9.5.9)
• updated figure of charge accumulation in a pixel sampled with RAPID mode for staring and scanned modes (Section 10.2)
• updated sensitivity losses in IR spatially scanned spectra (Section 10.2)
• updated sensitivity losses in UVIS spatially scanned spectra (Section 10.3)