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LIGO-Virgo-KAGRA Town Hall Telecon - Thursday, 13 April 2023 @ 14:00 UTC, 07:00 US Pacific

Telecon time: 07:00 US Pacific / 09:00 US Central / 10:00 US Eastern / 16:00 Central Europe

The call will be one hour long.

How to join the call

Topic: OpenLVKEM Town Hall Time: Apr 13, 2023 09:00 AM Central Time (US and Canada)

Join Zoom Meeting

Meeting ID: 964 6033 8524 Passcode: 027400


  • Announcements and introduction
    • Updated release of the user guide with corrected early warning information.
    • Please send comments to
    • Request a slot at an upcoming meeting
    • O4 public data release announcement:With O4 starting on 24 May 2023 and planned to last 20 months, including up to 2 months of commissioning breaks, LIGO-Virgo-KAGRA is planning two O4 public data releases: O4 Data Release A: Release M01-M10 at the end of August 2025 and O4 Data Release B: Release M11-M20 at the end of May 2026. Here, M01 is 24 May 2023 to 23 June 2023, M02 is 24 June 2023 to 23 July 2023, and so on.
  • Instrument updates
  • Community presentations
  • Future items:
    • SCiMMA presentations on kafka alert systems.
    • Discussion of early-warning expectations in O4.
    • Interpreting alert information.
    • Treasure Map
    • Hermes
    • other?


Topic revision: r7 - 2023-04-13,
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