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').
11 results found.
- GRB 210226A: GIT optical upper limit
- GRB 210226A: Swift/UVOT Upper Limits
- GRB 210226A: Swift-BAT refined analysis
- GRB 210226A: Fermi GBM detection
- GRB 210226A: KAIT Optical Upper Limit
- GRB 210226A: Swift-XRT refined Analysis
- Swift GRB 210226A: Global MASTER-Net observations report
- GRB 210226A: Burke-Gaffney Observatory optical upper limit
- GRB 210226A: Enhanced Swift-XRT position
- GRB 210226A: Ondrejov BART/SBT optical limit
- GRB 210226A: Swift detection of a burst