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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').

18 results found.

  1. GRB 120729A: KAIT Optical Observations
  2. GRB 120729A: Fermi GBM observation
  3. GRB 120729A: JCMT SCUBA-2 sub-mm observation
  4. GRB 120729A: break in the optical light curve
  5. GRB 120729A: Optical observations from OSN, BOOTES1/2 and IAC80
  6. GRB 120729A: RTT150 optical observations
  7. GRB 120729A: EVLA Observations
  8. Virtual Telescope observations of GRB 120729A
  9. GRB 120729A: Early RAPTOR Observations
  10. GRB 120729A: UKIRT Observation
  11. T100 observations of GRB 120729A
  12. GRB 120729A: Swift-XRT refined Analysis
  13. GRB 120729A: Swift/UVOT Detection
  14. GRB 120729A: Xinglong TNT optical upper limit
  15. GRB 120729A, Swift-BAT refined analysis
  16. GRB 120729A: Enhanced Swift-XRT position
  17. GRB 120729A Gemini-N redshift
  18. GRB 120729A: Swift detection of a burst with an optical afterglow


Download all Circulars as a .tar.gz archive:
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