Hubble Space Telescope
STIS STANs

Newsletters

April 2016 STAN
In this STAN, users preparing Cycle 24 proposals of background limited targets are advised to use a lower dark rate value to estimate exposure times for COS/FUV observations.
COS Team 01 Apr 2016

March 2016 STAN
In this STAN we provide updates on COS and STIS to users preparing a program for the Cycle 24 HST Phase 1 deadline.
COS+STIS Team 08 Mar 2016

January 2016 STAN
In this STAN we inform users of the release of CalCOS version 3.1, and suggest users retrieve any effected data again.
COS+STIS Team 28 Jan 2016

November 2015 STAN
The COS/STIS Team announces a new high contrast imaging program designed at pushing down to the photon limit at the inner working angle of STIS' BAR5 aperture location, as well as a call to the community to help support this activity.
COS/STIS Team 06 Nov 2015

October 2015 STAN
In this STAN we announce the release of a new version of the COS Data Handbook (v3.0).
COS/STIS Team 19 Oct 2015

September 2015 STAN -- STIS
In this Newsletter we announce new software to correct Charge Transfer Inefficiency effects in STIS CCD data.
COS/STIS Team 03 Sep 2015

July 2015 STAN
In this STAN we inform COS users of the release of two new reference files for flux and flat-field calibrations.
COS+STIS Team 10 Jul 2015

June 2015 STAN
In this STAN we inform Cycle 23 users who are preparing to submit a Phase 2 of a new mandatory keyword selection and that using TIME-TAG mode is recommended.
COS+STIS Team 29 Jun 2015

March 2015 STAN
In this Newsletter we provide updates on COS and STIS to users preparing a program for the HST Phase 1 deadline. Detailed is information about observing background limited targets with both COS and STIS, new flux calibration accuracy limitations on COS FUV observations of extended targets, Cycle 23 ETC updates, and effects of the OSM drift on the COS NUV wavelengths.
COS+STIS Team 12 Mar 2015

February 2015 STAN
In this Newsletter we provide information to COS users on the move of most FUV spectra to LP3 and the revised spectral extraction algorithm used at that position.
COS+STIS Team 16 Feb 2015

January 2015 STAN
In this Newsletter we provide information to COS users on an updated COS FUV time-dependent sensitivity (TDS) reference file.
COS+STIS Team 22 Jan 2015

December 2014 STAN
In this STAN we provide information to STIS users on Readnoise for GAIN=4.
COS+STIS Team 01 Dec 2014

August 2014 STAN
In this STAN we provide information to STIS users on Readnoise for GAIN=1.
COS+STIS Team 07 Aug 2014

June 2014 STAN
In this Newsletter we provide information on the updates done to the ETC, COS FUV lifetime positions, STIS TIME-TAG observations and COS FUV pixel-to-pixel flat field reference files.
COS+STIS Team 30 Jun 2014

March 2014 STAN
In this Newsletter we provide information to COS and STIS users on the use of the "Available-but-Unsupported" 31X0.05ND[A,B,C] apertures for STIS MAMA Spectroscopy, new Coronagraphic locations, ETC updates and COS FUV lifetime position.
COS+STIS Team 11 Mar 2014

December 2013 STAN
In this Newsletter we provide information to COS and STIS users on changes to the HST MAST Archive calibration pipeline for STIS, new COS Flux calibration, COS DISPTAB reference file and COS Flats.
S.Hernandez 04 Dec 2013

October 2013 STAN
In this Newsletter we provide some updates of interest to COS users on New COS/FUV TDS Correction and a NEW COS/FUV Flat reference file.
S. Hernandez 10 Oct 2013

June 2013 STAN
In this Newsletter we provide some updates of interest to COS users on COS G130M/1055 and 1096 data taken after July 23, 2012, Incorrect COS ACQ/Image coordinate keywords and Implementation of Gain-Sag table reference file.
S. Hernandez 25 Jun 2013

June 2013 STAN
In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase II HST programs. Information here includes Updates to the COS ETC, changes to recommended buffer time for COS time-tag observations, COS G130M blue mode segment=B observations and Position dependance of linearity beyond saturation.
S.Hernandez 28 May 2013

February 2013 STAN
In this Newsletter we provide some updates of interest to COS users who will be drafting and submitting Phase 1 HST programs. We provide information on updates to the dark rates of the COS FUV segments and impact on ETC calculations for Phase I proposals.
A. Bostroem 20 Feb 2013

December 2012 STAN
In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase 1 HST programs. We provide information on COS new resolutions of 8,000-12,000, exposure time and S/N calculated by the ETC for G130M/1055 and 1096 settings and change to COS FUV pulse height filtering.
S.Hernandez 19 Feb 2013

June 2012 STAN
In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase 2 HST programs over the next several weeks. We provide information on using multiple FP-POS positions at the new COS lifetime location, updates on the ETC release (20.2), a summary of the new COS lifetime position characteristics and a reminder on CCD CTE changes.
COS+STIS Team 08 May 2012

February 2012 STAN
In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase 1 HST programs. We provide information on new ETC (20.1.1) changes), STIS CCD E1 aperture positions, Common mistakes that might affect your data, time variability of the STIS FUV MAMA dark rate, new CALCOS v2.15.4 and new photometric conversion tables and ripple tables for STIS Echelle modes.
COS+STIS Team 01 Feb 2012 (html)

June 2011 STAN
In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase 2 HST programs. Information includes using multiple FP-POS positions with COS, new options for COS FUV target acquisitions, operational voltage of Segment B of the COS FUV detector, COS G130M 1055 and 1096 corrected for OSM drift and zero-point offsets, STIS CCD E1 aperture position, update on ACQ/PEAK exposures with small STIS slits, COS and STIS target acquisitions on systems with large orbital motions and ETC IDs in APT.
A. Bostroem 20 Jun 2011

April 2011 STAN
In this newsletter we provide information on reference files updates to the COS FUV TDS Table, the COS NUV Flat Field, the COS Dispersion and Lamp Tables, and the delivery of a COS FUV Flat Field. Additionally, changes to the PeakXD Target Acquisition Strategy and the results of the alignment of two STIS modes are discussed. Finally we present updates to the calibration software.
COS+STIS Team 07 Apr 2011

January 2011 STAN
In this Newsletter we provide some updates of interest to COS and STIS users who will be drafting and submitting Phase 1 HST programs over the next several weeks.
COS+STIS Team 24 Jan 2011

December 2010 STAN
In this Newsletter we provide information on the changes to the COS pulse height filtering, the effects of gain sag on dispersed light target acquisitions for COS, COS airglow Observations, Reference file updates mailing lists for both COS and STIS, and the delivery of a new FUV bad pixel table for STIS.
A. Bostroem 17 Dec 2010

November 2010 STAN
Correction to the STIS TDS and Information on the COS gain sag
COS+STIS Team 10 Nov 2010

September 2010 STAN
STIS TDS Updates, COS DQ Redefinitions, G140L/1280 Zeropoint warning, COS Calibration Updates, and Recent ISRs
COS + STIS Team 28 Sep 2010

June 2010 STAN
New COS TA Policy and APT 18.2 Updates
C. Proffitt 15 Jun 2010 (html)

IHB Errata
A list of the current erratum for the STIS and COS Instrument Handbooks.
A. Bostroem 01 Feb 2010

STAN - Feb 2010
NUV MAMA Dark Current, New Pixel-to-Pixel Flats, Cycle 18 IHB errata, and Documentation and User Support Updates
COS+STIS Team 01 Feb 2010 (html)

STAN - Sept 2009
STIS versions of the Space Telescope Analysis Newsletters (STANs)
C. Proffitt 21 Sep 2009 (html)

STIS CCD Detector - Living with Radiation Damage
STIS CCD CTE effects and mitigations
Proffitt 21 Sep 2009 (html)

STIS NUV MAMA Detector Dark Current
Describes larger than expected NUV MAMA dark current
Proffitt 21 Sep 2009 (html)

figure2a
measured median dark current
C. R. Proffitt 21 Sep 2009 (png)

figure2b
measured median dark current
C. R. Proffitt 21 Sep 2009 (png)

isfplot
isf plot
Proffitt 21 Sep 2009 (png)

Overview of STIS Status after Orbital Verification
Overview of STIS status after Orbital Verification
Proffitt 21 Sep 2009 (html)

STAN - June 2008
ETC improvements, BOP requirements, CALSTIS upgrades, GO-WAVECAL associations updates and more.
STIS Team 01 Jun 2008 (html)

New STIS spectral extraction box size options in ETC
STIS BOP policies and tools
N. Walborn 30 May 2008 (html)

Changes in the STIS ETC
New STIS spectral extraction box size options in ETC release 17.2
C. Proffitt 30 May 2008 (html)

Changes in Treatment of STIS GO-WAVECAL Exposures (TARGET=WAVE)
GO-WAVECALs can now be used by OTFR if AUTO-WAVECALs absent
C. Proffitt 30 May 2008 (html)

Differences in retrieval and calibration of pre-repair and
Post-repair STIS data will use OTFR; Older data to be retrieved from static archive
C. Proffitt 30 May 2008 (html)

Recent improvements in the STIS Calibration Pipeline and Data
"Holfeltz et al. 2008, AAS Meeting 211, Abstract #135.10 "
S. Holfeltz 30 May 2008 (html)

Recent Improvements to STIS Pipeline Calibration and Data Analysis Tools
Recent Improvements to STIS Pipeline Calibration and Data Analysis Tools Poster for AAS January 2008
S. Holfeltz 30 May 2008 (pdf)

STAN - October/November 2006
New reference files, echelle flux calibration improvements, updates to CALSTIS and much more.
STIS Team 08 Nov 2006 (html)

Improvements to the Flux Calibration of the Echelle Spectroscopic Modes
Improvements to PHT tables for echelle gratings
STIS Team 08 Nov 2006

Recently Revised STIS Calibration Reference Files
Updates to STIS Reference Files
STIS Team 08 Nov 2006

New Post-Analysis Tasks Available
New IRAF/STSDAS tasks.
STIS Team 08 Nov 2006

Uniform Recalibration of All STIS Data
Status of recalibration
STIS Team 08 Nov 2006

STAN - April 2006
New version of CALSTIS available.
STIS Team 10 Apr 2006 (html)

STAN - December 2005
Update on CALSTIS and Calibration Workshop news.
STIS Team 14 Dec 2005 (html)

Updates to the STIS Calibration Software, Reference Files, and OTFR Pipeline Products
Updates to CALSTIS Software
STIS Team 29 Nov 2005

STAN - April 2005 (Supplemental Edition)
STIS Close-out calibration plans and HST Calibration Workshop announcement.
STIS Team 22 Apr 2005 (html)

HST Calibration Workshop in October 2005
HST Calibration workshop announcement.
STIS Team 21 Apr 2005

STAN - April 2005
CALSTIS software changes and OTFR Products and more.
STIS Team 05 Apr 2005 (html)

Changes to CALSTIS Software and STIS OTFR Products
We describe recent changes to calstis and the calibrated STIS data products delivered from the MAST archive.
STIS Team 04 Apr 2005

Updates to STIS Spectroscopic Throughputs
New photometric throughput files have been delivered for G140L, G230L, the NUV-MAMA PRISM, and all STIS echelle modes. Time dependent sensitivity corrections for the PRISM and echelle modes are now included for the first time.
STIS Team 04 Apr 2005

STAN - December 2004
Update on STIS status, calibration close-out highlights, CALSTIS release notes, and much more.
STIS Team 15 Dec 2004 (html)

Fix for CALHRS flux error
Fix in STSDAS 3.3 release
STIS Team 01 Dec 2004

Updates to MAMA Distortion Corrections
updates to mama distortion corrections
STIS Team 01 Dec 2004

Doppler correction errors
Doppler corrections errors
STIS Team 01 Dec 2004

STAN - April 2004
Phase II update for Cycle 13, new time-dependent sensitivity corrections, and more.
STIS Team 14 Apr 2004 (html)

Updates to MAMA Distortion Corrections
updates to mama distortion corrections
STIS Team 09 Apr 2004

STAN - December 2003
Time Dependent Sensitivity Corrections, new PDF version of STIS IHB.
STIS Team 03 Dec 2003 (html)

STAN - October 2003
CALSTIS 2.15b release notes, new IHB, and much more.
STIS Team 31 Oct 2003 (html)

Additions/updates to tasks STIS package
Additions/updates to STIS package tasks.
STIS Team 31 Oct 2003 (html)

STAN - March 2003
Cycle 12 Phase 2 update for STIS and more
STIS Team 28 Mar 2003 (html)

STAN - September 2002
New Calstis Release Notes and more
STIS Team 24 Sep 2002 (html)

Correction of Errors in APD
Correction to errors in APD file
STIS Team 23 Sep 2002 (html)

Incorrect Dark Subtraction
Incorrect dark subtraction for early 2001 CCD data.
STIS Team 23 Sep 2002 (html)

STAN - May 2002
New Target Acquisition checking procedure and much more.
STIS Team 20 May 2002 (html)

How to Add 'propaper'
Instructions on how to add keyword propaper to Starview search forms.
STIS Team 20 May 2002 (html)

New version of daydark script
Updated version of daydark script now available.
STIS Team 20 May 2002 (html)

New Target Acq. Checking Procedure
Targ. Acqs. no longer checked by OPUS. New Procedure in place.
STIS Team 20 May 2002 (html)

STAN - March 2002
Invitation to the HST user community to provide suggestions for additional STIS calibrations.
STIS Team 10 Mar 2002 (html)

STAN - February 2002
Update G140L low order flats, and CALSTIS V2.12 & 2.12A Release Notes
STIS Team 08 Feb 2002 (html)

STAN - December 2001
Cycle 11 Phase II Update for STIS
STIS Team 09 Jan 2002 (html)

STAN - October 2001
Scaling Side-2 CCD Dark Frames with Temperature
STIS Team 26 Oct 2001 (html)

STAN - September 2001
New echelle dispersion solution with new Calstis, and more.
STIS Team 13 Sep 2001 (html)

STAN - July 2001
STIS is back, and more.
STIS Team 19 Jul 2001 (html)

STAN - June 2001
STAN June 2001 with information re. the May STIS Safing, and the error in corrected times using ODELAYTIME with de200.fits
STIS Team 13 Jun 2001 (html)

Error in corrected times with odelaytime
The MJD in the header of de200.fits is off by 0.5 days.
STIS Team 17 May 2001 (html)

STAN - May 2001
Release of new On-the-fly-Reprocessing system.
STIS Team 09 May 2001 (html)

STAN - March 2001
Errors in Processed TIME-TAG Data from STIS.
STIS Team 28 Mar 2001 (html)

STAN - February 2001
Request for User input for Cycle 10 calibration /Determining an observation's actual orientation.
STIS Team 06 Mar 2001 (html)

STAN - January 2001
Cycle 10 Phase II update.
STIS Team 23 Jan 2001 (html)

STAN - September 2000
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 27 Sep 2000 (html)

STAN - July 2000
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 25 Jul 2000 (html)

STAN - June 2000
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 26 Jun 2000 (html)

STAN - May 2000
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 15 May 2000 (html)

STAN - July 1999
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 02 Jul 1999 (html)

STAN - February 1999
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Feb 1999 (html)

STAN - December 1998
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Dec 1998 (html)

STAN - August 1998
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Aug 1998 (html)

STAN - June 1998
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Jun 1998 (html)

STAN - February 1998
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Feb 1998 (html)

STAN - November 1997
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Nov 1997 (html)

STAN - September 1997
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Sep 1997 (html)

STAN - July 1997
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Jul 1997 (html)

STAN - May 1997
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 May 1997 (html)

STAN - April 1997
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Apr 1997 (html)

STAN - March 1997
STIS versions of the Space Telescope Analysis Newsletters (STANs).
STIS Team 01 Mar 1997 (html)