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HST Documents

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)

STAN - May 2010
STIS versions of the Space Telescope Analysis Newsletters (STANs)
COS+STIS Team 17 May 2010 (html)

STAN - Feb 2010
G140L 1280 CENWAVE, COS between 900-1150 Angstroms, COS LSF, new PHATAB file, Updates to MIRRORB Throughput, NUV Dark Rate, Wavelength Calibration, documentation, and User Support. Cycle 18 IHB Errata.
COS+STIS Team 01 Feb 2010 (html)

STAN - Sept 2009
COS Data Now Available- Early-release observations (ERO) from COS were presented to the public today. Fully-reduced ERO data are available from the COS Instrument Development Team, and other COS observations obtained during SMOV are available from MAST. Instructions for retrieving, calibrating, and analyzing these data are provided in the first COS STAN
COS Team 09 Sep 2009 (html)