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 060928: Confirmation of the X-ray afterglow detected by Swift
- GRB 060928: Correction to GCN 5690
- GRB 060928: 2 pseudo-z from 2 detections spectral parameters
- Konus-Wind observation of GRB 060928
- GRB 060928: Suzaku/WAM observation of the prompt emission
- GRB 060928: Swift observations
- GRB 060928: RHESSI Spectral Fit