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.
To navigate to a specific circular, enter the associated Circular ID (e.g. 'gcn123', 'Circular 123', or '123').
13 results found.
- GRB 210726A: VLA radio afterglow detection
- GRB 210726A: Chandra detection of the X-ray afterglow
- GRB 210726A: OSIRIS/GTC observations
- GRB 210726A: Deep CAHA 2.2m limit
- GRB 210726A: 6 GHz VLA radio upper limit
- Fermi GBM Sub-Threshold Detection of GRB 210726A
- GRB 210726A: Swift-XRT refined Analysis
- GRB 210726A: Swift-BAT refined analysis
- GRB 210726A: Likely a short burst
- GRB 210726A: RATIR Optical Upper Limits and Candidate Host Galaxy
- GRB 210726A: CAHA 2.2m telescope optical limit
- GRB 210726A: Enhanced Swift-XRT position
- GRB 210726A: Swift detection of a burst