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  1. February 2024 STAN

    February 26, 2024
    COS NEWSLETTERS

    In this STAN we announce the delivery of the Hubble Advanced Spectral Products (HASP) program.

  2. January 2024 STAN

    January 4, 2024
    COS NEWSLETTERS

    In this STAN we describe COS posters to be presented at the 243rd AAS meeting.

  3. August 2023 STAN

    August 28, 2023
    COS NEWSLETTERS

    In this STAN we discuss items of interest to those who are preparing Phase II proposals for Cycle 31 and the incorporation of updated dark rates into the COS exposure time calculators.

  4. June 2023 STAN

    June 5, 2023
    COS NEWSLETTERS

    In this STAN we announce a COS poster to be presented at the 242nd AAS meeting and inform users of the alpha release of a revised exposure time calculator for Hubble.

  5. March 2023 STAN

    March 3, 2023
    COS NEWSLETTERS

    In this STAN we discuss the release of Cycle 31 documentation and news of interest to those who may submit Phase I proposals to use COS, including a discussion of G160M use at LP6 and an updated listing of dark rates. We also announce the delivery of a new gain sag table.

  6. January 2023 STAN

    January 4, 2023
    COS NEWSLETTERS

    In this STAN we discuss the availability of stenv as a replacement for Astroconda. We also describe COS posters to be presented at the 241st AAS meeting and announce a new version of the COS Data Handbook.

  7. October 2022 STAN

    October 13, 2022
    COS NEWSLETTERS

    In this STAN we announce the introduction of Lifetime Position 6 for G160M spectroscopy and the delivery of several new reference files.

  8. June 2022 STAN

    June 28, 2022
    COS NEWSLETTERS

    In this STAN we discuss items of interest to those who are preparing Phase II proposals for Cycle 30. We also discuss the reappearance of a hot spot on the FUV detector and describe COS posters presented at the 240th AAS meeting.

  9. March 2022 STAN

    March 28, 2022
    COS NEWSLETTERS

    In this STAN we discuss improved flux calibration of most FUV settings and improved wavelength calibration of Stripe B of the NUV/G230L/2950 setting. We also provide updates on the release of CalCOS 3.4 and how to install or upgrade to it. Finally, we invite COS users to contribute slides for the STScI booth display at the Summer 2022 AAS meeting.

  10. February 2022 STAN

    February 28, 2022
    COS NEWSLETTERS

    In this STAN we provide updates about COS to those who are preparing Phase I proposals for HST Cycle 30.

  11. January 2022 STAN

    January 14, 2022
    COS NEWSLETTERS

    In this STAN we announce the release of documentation relevant to the preparation of Cycle 30 COS proposals. We also announce a new COS data processing walkthrough notebook and the incorporation of updated dark rates into the COS exposure time calculators.

  12. December 2021 STAN

    December 17, 2021
    COS NEWSLETTERS

    In this STAN we announce the delivery of an updated SPOTTAB file to correct for a recently discovered transient hotspot in the lower LP4 background region of the FUVB detector segment.

  13. September 2021 STAN

    September 28, 2021
    COS NEWSLETTERS

    In this STAN we announce FUV lifetime position changes, the release of CalCOS v3.3.11, the delivery of new reference files, a new version of the COS Data Handbook, and the end of HSTCAL support for RHEL 6.

  14. July 2021 STAN

    July 6, 2021
    COS NEWSLETTERS

    In this STAN we announce new COS walkthrough notebooks and provide information for preparing Cycle 29 Phase II proposals.

  15. April 2021 STAN

    April 30, 2021
    COS NEWSLETTERS

    In this STAN we introduce a webpage with instructions for responding to reports of observing problems, discuss the possibility that NUV fluxes of extended objects may be underestimated, and announce the delivery of a new gain sag table that affects data obtained starting in May 2020.

 

 

Last Updated: 07/13/2023

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