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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').

8 results found.

  1. GRB 060813: Swift/BAT, Konus-Wind, and Suzaku/WAM joint prompt spectral analysis
  2. GRB 060813: A long, bright GRB detected with Suzaku WAM
  3. GRB 060813: pseudo-z from spectral parameters of the prompt
  4. Konus-Wind observation of GRB 060813
  5. GRB060813: Swift/UVOT upper limits
  6. GRB 060813: Swift XRT refined analysis
  7. GRB 060813: Refined analysis of the Swift-BAT burst
  8. GRB 060813: Swift detection of a burst

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