Contents: : Updated CALSPEC and Schedule for Implementation of Flux Calibration Changes for HST Instruments Updates to Suggested Observation Practices: CTE-Mitigation and Supplemental UVIS Dither Patterns New Documentation
Contents: : WFC3 in Action! Visit us (online) at the 236th AAS Meeting Cycle 28 Tips and Advice New Absolute Astrometry in MAST Data Products WFC3/IR Sensitivity Over Time EPER Update WFC3 Quicklook Anomalies Database The Dispersed infrared background in WFC3 G102 and G141 observations HST 30th Anniversary Image Information New Documentation
Contents: WFC3 in Action! Visit us at the 235th AAS Meeting WFC3 Instrument Handbook for Cycle 28 New Astrometric Solutions in WFC3 Images WFC3 IR PSF Database Available on MAST Portal Comparison of WFC3/UVIS Geometric Distortions Solutions to Gaia Data Release 2 Vacancy Announcement New Documentation
Contents: New WFC3 Website Cycle 27 Phase II Tips and Advice New Time-dependent WFC3/IR Bad Pixel Tables and Superdarks Improved WFC3/IR Drizzled Products Calibration of the WFC3-IR Count-rate Non- linearity, Sub-percent Accuracy for a Factor of a Million in Flux Vacancy Announcement: Senior Research and Instrument Analyst New Documentation
Contents: Ultra-Violet Color Term Transformations Update on Jitter New DrizzlePac Tutorials Available Improved UVIS Drizzled Products from MAST Updates on 2018 UVIS Darks Reclaiming WFC3/UVIS Hot Pixels New Documentation
Contents: 1. Impact of Increased Jitter on the PSF 2. Newest Version (4.0) of the Wide Field Camera 3 Data Handbook Released 3. Spatial Scan Monitor/Increase in Jitter over Time 4. Geometric Distortion Solution Updates for Narrow and Unique Band UVIS Filters 5. Re-Delivery of UVIS Darks for Dates Between August 10th 2017 and October 3rd 2017 6. New Documentation
Contents: STScI at the AAS 231: January 2018, Washington, D.C. WFC3 Help Desk Changes - New Web Portal Live Geometric Distortion Solution Updates for Medium Band UVIS Filters LINEAR: A Novel Algorithm for Reconstructing Slitless Spectroscopy from HST/WFC3 Aligning HST Images to Gaia Catalogs Photometric Repeatability of Spatial Scans with WFC3/UVIS New Documentation
Contents: Cycle 25 Phase II Deadline Reminder and Updates to APT Improved UVIS Photometry WFC3 Grism Calibration Updates New Bias and Post-Flash Calibration Reference Files Possible Overlaps Between Blobs, Grism Apertures, and Dithers WFC3/UVIS External CTE Monitor: 2016 Updates on Coefficients and Analysis Pipeline Long-term Stability of the Post-Flash LED Lamp New Documentation
WFC3 Space Telescope Analysis Newsletter - Issue 24, December 2016 Contents: CTE correction for UVIS subarrays in calwf3 WFC3 UVIS Photometry Introducing PandExo: A Community Tool for Transiting Exoplanet Science with JWST & HST Clarification on Changes to IR Spatial Scan Output Data UVIS Subarray Readout Times A Few Dither Patterns Place Targets on IR Blobs UVIS Single-Chip CTE Measurements Cycle 23 Status of the IR Gain ISR 2016-12 Anderson "Empirical Models for the WFC3/IR PSF" ISR 2016-14 Anderson "Supplemental Dither Patterns for WFC3/IR" An Update to the UVIS Photometric Stability and Contamination Monitor New Documentation
Cycle 24 Phase II Deadline Reminder and Updates to APT Changes to ETC Calculations Improvements to Zodiacal Light Computations in the ETC Planning "Drift and Shift" Observations New Documentation
Contents: 1 Spatial Scan Modes in the ETC 2 Cycle 23 WFC3 Calibration Plan 3 Improved UVIS Dark Calibration 4 Sampling Sequence SPARS5 Full-Frame and Subarray Dark Calibration Files Released 5 Scan Data Processing 6 CALWF3 Version 3.3 7 LINEAR: A Grism Simulation Code for WFC3/IR 8 New Documentation
Cycle 22 Phase II Deadline Reminder and Updates to APT WFC3/IR Backgrounds "Round-trip" Spatial Scans CTE Correction for UVIS Subarrays Without Pre-Scan Bias Pixels WFC3 Presentations and Posters at 2014 Summer Meetings New Documentation
1 Cycle 20 Calibration Plan 2 Calibration of Post-Flashed Science Data 3 CALWF3 software now available outside of IRAF 4 WFC3/UVIS CTE and Mitigation 5 TDFTRANS Data Keyword now populated differently, affecting CALWF3 IR processing 6 aXe Compatibility with Astrodrizzle 7 IR Grism Calibrations Updates 8 Using the Tiny Tim PSF model for drizzled WFC3 data 9 2013 Calibration Workshop and AstroDrizzle Mini-Workshop 10 New Documentation