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"10 results found.
- GRB051111: Suzaku WAM observation of the prompt emission
- GRB051111: Rc optical observations
- GRB 051111: Further spectroscopic analysis
- GRB 051111: Radio afterglow
- GRB 051111: AEOS optical observations
- GRB051111: Swift/UVOT Observations
- GRB 051111A : R-band temporal decay index based on Lulin
- GRB 051111: Swift-BAT refined analysis
- GRB 051111: Keck HIRES redshift
- GRB 051111: ROTSE-III Analysis of Prompt Counterpart