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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. GRB150607A: AAO and CrAO optical observations
  2. Konus-Wind observation of GRB 150607A
  3. GRB 150607A: Swift-XRT refined Analysis
  4. GRB 150607A: Swift/UVOT Detection
  5. GRB 150607A: NOT optical observations
  6. GRB 150607A: Swift-BAT refined analysis
  7. GRB 150607A: Fermi GBM Detection
  8. GRB 150607A: Enhanced Swift-XRT position
  9. GRB 150607A: Swift detection of a burst with an optical counterpart

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