GCN Circulars
GCN Circulars are rapid bulletins submitted by and distributed to the community. See the documentation for help with subscribing to or submitting Circulars.
Search for Circulars by submitter, subject, or body text (e.g. 'Fermi GRB').
To navigate to a specific circular, enter the associated Circular ID (e.g. 'gcn123', 'Circular 123', or '123').
To navigate to a specific circular, enter the associated Circular ID (e.g. 'gcn123', 'Circular 123', or '123').
Advanced Search
To narrow the search results, use advanced search syntax. This allows for specifying which circular field to search (submitter, subject, and/or body). For additional information, refer to the advanced search documentation.
Advanced Search Examples (click to copy):
subject:"Swift"body:"GRB"submitter:"Judith Racusin"7 results found.
- GRB 130504C: Swift-XRT afterglow confirmation
- GRB 130504C: Suzaku WAM observation of the prompt emission
- GRB 130504C: further Swift-XRT observations
- Konus-Wind observation of GRB 130504C
- GRB 130504C: Swift-XRT observations
- GRB 130504C: Fermi GBM detection
- GRB 130504C: Fermi-LAT detection of a burst