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  1. ACS STAN March 2025

    March 25, 2025
    ACS NEWSLETTERS

    This STAN describes STScI Helpdesk updates and Cycle 33 proposal reminders.

  2. March 2025 STAN

    March 24, 2025
    COS NEWSLETTERS

    In this STAN, we discuss items of interest to those who are preparing Phase I proposals for Cycle 33, provide updates on recent instrument calibration efforts, and share information on updated contact information for the STScI Help Desk.

  3. March 2025 STAN

    March 13, 2025
    STIS NEWSLETTERS

    In this STAN, the STIS Team presents Cycle 33 documentation updates and news to STIS users submitting Phase I proposals, as well as updates regarding the STScI Helpdesk, updates to the FUV-MAMA Time Dependent Sensitivity corrections, and improvements to the post-SM4 STIS NUV-MAMA dark correction.

  4. January 2025 STAN

    January 31, 2025
    STIS NEWSLETTERS

    In this STAN, the STIS team presents new Jupyter Notebooks on Hubble Advanced Spectral Products (HASP) for data diagnostics and wavelength adjustments, as well as a tool to test coronagraphic observation feasibility. The STIS team also presents a new Instrument Science Report on STIS Cycle 30 Calibration Programs and summarizes the STIS presentations given at the 245th American Astronomical Society (AAS) meeting in National Harbor.

  5. WFC3 STAN Issue 48, January 2025

    January 10, 2025
    WFC3 NEWSLETTERS

    Contents: 1 Meet the WFC3 Team at the 245th AAS Meeting 2 Notes on WFC3 in the Call for Proposals for Cycle 33 3 WFC3 Instrument Handbook for Cycle 33 4 New Time-Dependent WFC3/IR Inverse Sensitivities 5 Temporal Stability of the WFC3/UVIS Geometric Distortion Solution 6 New DrizzlePac Tutorials for WFC3, ACS, & WFPC2 7 New Documentation

  6. ACS STAN January 2025

    January 10, 2025
    ACS NEWSLETTERS

    This STAN describes the new serial CTE correction introduced to CALACS, documentation for HST Cycle 33, a new “fleck” on WFC detector and corresponding updates to the BPIXTAB reference file, and ACS posters for the January 2025 AAS meeting.

  7. January 2025 STAN

    January 9, 2025
    COS NEWSLETTERS

    In this STAN, we discuss upcoming COS posters at the 245th Meeting of the American Astronomical Society and announce the release of two new notebooks for the Hubble Advanced Spectral Products (HASP) that help users conduct data diagnostics on HASP coadds and apply custom wavelength shifts. Additionally, a new COS notebook is available to assess observing exception reports.

  8. October 2024 STAN

    October 28, 2024
    STIS NEWSLETTERS

    In this STAN, the STIS Team presents a new CCD cosmic ray monitor, as well as updates to the latest version of the STIS Data Handbook, a new Jupyter notebook on Low Count Uncertainties in STIS, and an instrument science report on Updating the Sensitivity Curves of the STIS Echelles (Post-SM4).

  9. ACS STAN October 2024

    October 8, 2024
    ACS NEWSLETTERS

    This STAN describes the HST Call for Cycle 32 Bridge Programs with ACS/WFC and WFC3/IR, and upcoming Serial CTE correction to CALACS.

  10. WFC3 STAN Issue 47, October 2024

    October 7, 2024
    WFC3 NEWSLETTERS

    Contents: 1 Call for Cycle 32 Bridge Programs with WFC3/IR and ACS/WFC 2 AAS Meeting Workshop "Hands-on Hubble" 3 New Documentation

  11. Call for Hubble Cycle 32 Bridge Programs

    September 26, 2024
    HST NEWS

    We are offering a special HST observing opportunity to the astronomy community to propose for "Bridge Programs" with ACS/WFC and WFC3/IR, in anticipation of likely operational changes in Cycle 33.

  12. July 2024 STAN

    July 10, 2024
    STIS NEWSLETTERS

    This STAN is focused on providing information and guidelines for the preparation and submission of HST Cycle 32 GO Phase II proposals, for both new and experienced users of STIS. The first section gives tips and tricks for the recently announced Reduced Gyro Mode operations, followed by an updated listing of policies, tips, and tricks for preparing successful Phase II proposals. The section on STIS instrument news includes new recommendations for wavecal exposure times for some FUV settings. The section on STIS resources lists some recently developed software tools for the examination and analysis of STIS data and notes several recent STIS presentations and Instrument Science Reports.

  13. WFC3 STAN Issue 46, June 2024

    June 13, 2024
    WFC3 NEWSLETTERS

    Contents: 1 Notes for Phase 2 Submissions 2 New Release of WFC3 Data Handbook 3 Revisiting x-CTE in WFC3/UVIS 4 WFC3 and WFPC2 PSF Update 5 A New Notebook for Point Spread Function Modeling 6 WFC3/UVIS G280 Flux Calibration Updates 7 New Documentation

  15. May 2024 STAN

    May 17, 2024
    COS NEWSLETTERS

    In this STAN we announce the delivery of new time-dependent sensitivity and photometric throughput tables for FUV observations.

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