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.
- LIGO/Virgo S190426c: Lick/KAIT Follow-Up Observations
- GRB 070328: Suzaku WAM observation of the prompt emission
- GRB 070328: pseudo-z~2.75 from spectral parameters of the prompt
- Konus-Wind observation of GRB 070328
- GRB 070328: Swift/UVOT Upper Limits
- GRB 070328: Swift/XRT Refined Analysis
- GRB 070328 : Suzaku ToO follow up starts
- GRB 070328, Swift-BAT refined analysis
- GRB 070328: Swift detection of a burst