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').
12 results found.
- VLA radio upper limit on GRB 080721
- GRB 080721 : Lulin 2nd optical follow-ups
- GRB 080721: OA fading and redshift
- GRB 080721: UVOT Follow-Up Observations
- Konus-Wind observation of GRB 080721
- GRB 080721: Swift-XRT refined analysis
- GRB 080721: Enhanced Swift-XRT position
- GRB 080721, Swift-BAT refined analysis
- GRB 080721: Swift/UVOT Photometric Redshift
- GRB 080721 : Lulin Optical follow-ups
- GRB 080721: Swift-XRT correct position
- GRB 080721: Swift detection of a burst with a bright optical counterpart.