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"8 results found.
- GRB 060813: Swift/BAT, Konus-Wind, and Suzaku/WAM joint prompt spectral analysis
- GRB 060813: A long, bright GRB detected with Suzaku WAM
- GRB 060813: pseudo-z from spectral parameters of the prompt
- Konus-Wind observation of GRB 060813
- GRB060813: Swift/UVOT upper limits
- GRB 060813: Swift XRT refined analysis
- GRB 060813: Refined analysis of the Swift-BAT burst
- GRB 060813: Swift detection of a burst