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').
7 results found.
- GRB 081211B: Nearby cluster
- GRB 081211B: optical observations
- GRB 081211B: Further Swift-XRT analysis
- GRB 081211B - possibly a short burst with extended emission
- Possible GRB 081211B: Swift/UVOT Upper Limits
- Possible GRB 081211B - Swift-XRT analysis
- GRB 081211B(?): Possible burst detection from Swift-BAT slew data