In this STAN we announce the deliveries of new reference files for the calibration of COS spectra obtained with the FUV blue modes G130M/1055 and G130M/1096 and with the NUV gratings G185M, G225M, and G230L.
In this STAN we announce a CALSPEC update, including a schedule for the implementation of the resulting flux calibration changes for HST instruments. We also provide advice on verifying coordinates in APT for targets that have proper motions.
In this STAN we provide information on preparing Cycle 28 Phase II submissions.
In this newsletter we announce a new CalCOS release, provide updated dark rates, and announce the availability of line spread functions and cross-dispersion spread functions for cenwaves introduced in Cycle 26.
In this newsletter we provide updates about COS to those who are preparing Phase I proposals for HST Cycle 28.
In this STAN we provide an update on new reference file deliveries.
In this STAN we provide information on the NUV time-dependent sensitivity.
In this STAN we provide information on Cycle 27 ETC updates and preparing Cycle 27 Phase II submissions.
In this STAN we provide an update on new reference file deliveries and general updates of interest to COS users.
In this newsletter we provide updates on COS to users preparing a program for the Cycle 27 HST Phase 1 deadline.
In this Newsletter we inform the community about the release of a new version of the HSLA which can be used in support of Cycle 26 proposal preparation.
In this Newsletter we provide information on new central wavelengths offered in the FUV channel, action required for the 800 cenwave for ETC calculations for Phase I proposals, updates to the background levels and throughputs in the ETC, and community generated airglow templates.
In this STAN we provide an update on new reference file deliveries.
In this STAN we announce the move to Lifetime Position 4 as well as an update on the 1223 setting.
In this STAN we inform Cycle 25 proposers who are preparing to submit a Phase II of changes to COS/FUV operations.