GCN Circulars
GCN Circulars are rapid astronomical bulletins submitted by and distributed to community members worldwide. They are used to share discoveries, observations, quantitative near-term predictions, requests for follow-up observations, or future observing plans related to high-energy, multi-messenger, and variable or transient astrophysical events. 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').
8 results found.
- Konus-Wind detection of GRB 220730A (short)
- GRB 220730A: Swift-BAT refined analysis
- GRB 220730A: Fermi GBM detection
- GRB 220730A: Swift-XRT afterglow detection
- GRB 220730A: Swift/UVOT Upper Limits
- GRB 220730A: Swift-XRT observations
- Swift GRB 220730A: Global MASTER-Net observations report
- GRB 220730A: Swift detection of a short hard burst