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"9 results found.
- GRB 130206A: GROND Observations
- GRB 130206A: Fermi LAT Observations
- GRB 130206A: Fermi GBM observation
- GRB 130206A: XRT and UVOT follow-up observations.
- GRB 130206A, Swift-BAT refined analysis
- GRB 130206A: Zadko observatory - Gingin optical observations
- Swift GRB 130206A - analysis of Swift/UVOT initial data.
- GRB 130206A: Swift-XRT observations
- GRB 130206A: Swift detection of a burst