Add documentation for pre-merger alerts
Migrate material from javed.sk/ewgw-documentation to the User Guide.
It should be mentioned in the document that no change to the em_bright and p_astro values will be done for early warning.
Maintenance will be performed on git.ligo.org, containers.ligo.org, and docs.ligo.org on Tuesday 23 April 2024 starting at approximately 9am PDT. It is expected to take around twenty minutes and there will be several periods of downtime throughout the maintenance. Please address any comments, concerns, or questions to the helpdesk.
Migrate material from javed.sk/ewgw-documentation to the User Guide.
It should be mentioned in the document that no change to the em_bright and p_astro values will be done for early warning.