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').
4 results found.
- GRB 090720: Gemini-North Imaging and Optical Afterglow
- Swift XRT and UVOT refned analysis of GRB 090720
- GRB 090720 Source found in ground processing of Swift-BAT data
- GRB 090720: Fermi GBM detection