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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').

9 results found.

  1. GRB 200127A: Swift-BAT refined analysis
  2. GRB 200127A: Swift/UVOT Upper Limits
  3. Fermi-LAT-ANTARES coincidence
  4. GRB 200127A: Mondy optical upper limit
  5. GRB 200127A: Nanshan-0.6m optical upper limit
  6. GRB 200127A: Enhanced Swift-XRT position
  7. GRB 200127A: Swift-XRT refined Analysis
  8. GRB 200127A: AbAO optical upper limit
  9. GRB 200127A: Swift detection of a burst

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