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WFC3 STANs

WFC3 STAN - Issue 18, July 2014
1 Cycle 22 Phase II Deadline Reminder and Updates to APT 
2 WFC3/IR Backgrounds
3 "Round-trip" Spatial Scans
4 CTE Correction for UVIS Subarrays Without Pre-Scan Bias Pixels
5 WFC3 Presentations and Posters at 2014 Summer Meetings
6 New Documentation

WFC3 09 Jul 2014

WFC3 STAN - Issue 17, March 2014
1 Cycle 21 Calibration Plan
2 New Tools Available in WFC3TOOLS
3 New WFC3/IR Full-frame and Subarray Dark Calibration Files Released
4 New Documentation
WFC3 31 Mar 2014

WFC3 STAN - Issue 16, December 2013
1 Cycle 21 Calibration Plan
2 New Tools Available in WFC3TOOLS
3 New WFC3/IR Full-frame and Subarray Dark Calibration Files Released
4 WFC3/UVIS CTE Correction Code Update
5 WFC3 Posters to be Displayed at 223rd American Astronomical Society Meeting
WFC3 18 Dec 2013

WFC3 STAN - Issue 15, October 2013
1 New File Structure for UVIS Calibrated Data Products
2 Running AstroDrizzle with UVIS CTE-corrected Images
3 aXe 2.4.3
4 WFC3 Instrument Handbook for Cycle 22
5 Choosing the Shutter Blade Side for WFC3 UVIS Short Exposures
6 New Documentation
WFC3 11 Oct 2013

WFC3 STAN - Issue 14 June 2013
1 Postflash Added to the WFC3/UVIS Exposure Time Calculator
2 aXe Software Updates
3 WFC3/UVIS Pixel-Based Correction For Some Subarrays
4 Improved Astrometric Corrections which includes the WFC3/UVIS Detector Lithographic Pattern
5 Documentation of CTE, Postflash, and Spatial Scanning
6 New Documentation
WFC3 14 Jun 2013

WFC3 STAN - Issue 13, March 2013
1 Alpha Release of the Empirical CTE Model
2 New Documentation

WFC3 14 Mar 2013

WFC3 STAN - Issue 12, January 2013
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
WFC3 31 Jan 2013

WFC3 STAN - Issue 11, August/September 2012
1 AstroDrizzle Error Affecting Saturated Sources in WFC3/IR Images
2 UVIS Zeropoints
3 WFC3/UVIS CTE and Post-flash
4 Stability of the WFC3 Geometric Distortion
5 Update to WFC3 Flight Software affecting the UVIS shutter control
6 New Documentation
WFC3 14 Sep 2012

WFC3 STAN Issue 10, March 2012
1. IR persistence images now available in the MAST archive
2. WFC3/UVIS Crosstalk and Crosstalk Correction
3. New zeropoints for all UVIS and IR filters
4. WFC3 UVIS Channel Flat Fields
5. New WFC3 Instrument Distortion Correction Table (IDCTAB)
6. New Documentation
C Pavlovsky 03 Mar 2012

WFC3 STAN - Issue 9, September 2011
Contents:
1. WFC3 UVIS Channel Flat Fields
2. aXe Grism Extraction Software Updated
3. MultiDrizzle Bugs Reported
4. WFC3 Cycle 19 Calibration Plan
5. New Documentation
C Pavlovsky 15 Sep 2011

WFC3 STAN - Issue 8, June 2011
Contents:
1. Phase II Update for Cycle 19
2. New Instrument Distortion Correction Tables
3. WFC3 Grism Support
4. WFC3/UVIS Charge Injection in Cycle 19 as Charge Transfer Inefficiency Mitigation
5. CALWF3 Image Combination Limit
6. New Documentation
C Pavlovsky 27 Jun 2011

WFC3 STAN - Issue 7, April 2011
Contents:
1. New Alpha-Release Flat-fields for the WFC3/UVIS detector
2. An Error in the Orientation of the WFC3 IDCTAB Coordinate Frame
3. CALWF3 v2.3 Release
4. New Reference Files
5. New Documentation
C Pavlovsky 01 Apr 2011

WFC3 STAN Issue 6, January 2011
Contents:
1. Updated WFC3 IR Flat Fields
2. Plans for Updating UVIS Flat Fields
3. Charge Transfer Efficiency (CTE) in UVIS
4. Spatial Scanning Availability for Cycle 19
5. IR Persistence Update
6. UVIS High Resolution Imaging
7. IR High Resolution Imaging
8. WFC3 Grism Support
9. Data Processing Updates
10. When to Recalibrate
11. Spectroscopic ETC Issue
12. New Documentation
C.Pavlovsky 01 Jan 2011

WFC3 STAN Issue 5, October 2010
1. Count Rate Non-linearity on WFC3-IR
2. New Image Distortion Correction Tables
3. WFC3 Data Processing Updates
4. New Reference Files
5. New Documentation
C Pavlovsky 08 Oct 2010

WFC3 STAN Issue 4, June 2010
I. Phase II Update for Cycle 18
1. Changes to APT for WFC3 General Observers
2. Changes in Apertures for Cycle 18
3. Dither Patterns for WFC3
4. Revision of the WFC3 Instrument Handbook
5. Using IR subarray apertures with grisms
6. Update on IR Subarray Image Artifact
II. Calibration and Data Processing
7. WFC3 Data Processing Updates
8. Reference Files
9. IR low frequency flat correction
10. Update to EXPTIME keyword for short UVIS Exposures
11. New Documentation

C Pavlovsky 28 Jun 2010

WFC3 STAN Issue 3, March 2010
1. IR CSM Particulates (a.k.a. Blobs)
2. WFC3 Data Processing Pipeline Updates
3. New WFC3 Image Distortion Calibration Files
4. New WFC3 Reference Files
5. New Documentation - ISRs
C Pavlovsky 19 Mar 2010

WFC3 STAN - Issue 2, December 2009
1. CALWF3 and the STScI Pipeline
2. IR Subarray Image Artifacts
3. Revised Image Distortion Parameters for UVIS and IR Channels
4. Persistence in WFC3/IR
5. New Documentation - Instrument Handbook and ISRs
6. New WFC3 Reference Files
WFC3 18 Dec 2009

WFC3 STAN - Issue 1, September 2009
1. Welcome
2. Calibration of Geometric Distortion
3. CALWF3, Multidrizzle and the STScI Archive Pipeline
4. Reference Files
5. Photometric Zeropoints
6. UVIS User Defined Subarrays
WFC3 01 Sep 2009