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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').

11 results found.

  1. GRB 160525B: 15 GHz upper limits from AMI
  2. GRB 160525B: MITSuME Akeno optical upper limits
  3. GRB 160525B: Mondy optical upper limit
  4. GRB 160525B: Khureltogot optical upper limit
  5. GRB 160525B: Swift-BAT refined analysis
  6. GRB 160525B: Swift-XRT refined Analysis
  7. GRB 160525B: Nanshan optical upper limit
  8. GRB 160525B: Swift/UVOT Detection
  9. GRB 160525B: Enhanced Swift-XRT position
  10. GRB 160525B: Prompt enhanced Swift-XRT position
  11. GRB 160525B: Swift detection of a burst


Download all Circulars as a .tar.gz archive:
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