News and Events
New GECAM Notice Types Available
GCN now distributes notices from the GECAM mission. Start streaming GECAM notices using GCN Classic over Kafka, have them delivered to your email inbox using self-service email subscriptions, or receive them as legacy notices using GCN Classic. To modify GCN Classic subscriptions, please contact us.
Self-Service Configuration of Email Notifications for GCN Notices
Have GCN Notices delivered to your email inbox by signing up and managing your subscriptions through this web site. To get started, sign in or sign up and then select "Email Notifications" from the account dropdown menu. Note that signing up here does not affect prior subscriptions on the old web site, https://gcn.gsfc.nasa.gov. To unsubscribe from the old web site, please contact us. See GCN Circular 32517.
New GCN Webinars
GCN held three public webinars to introduce the new GCN, the GCN Classic over Kafka service, and plans for new features and feedback. See the slides.
GCN Classic over Kafka Now Available
All three classic GCN Notice formats (text, VOEvent, 160-byte binary packet) are now also available over Kafka. This new Kafka streaming service can be used as a drop-in replacement for GCN Classic socket and VOEvent subscribers, with an upcoming release serving email subscribers. See GCN Circular 32419.