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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').

20 results found.

  1. GRB 110503A optical observation
  2. GRB 110503A: TAROT Calern observatory optical observations
  3. GRB 110503A: Jet Break seen from TLS
  4. GRB 110503A optical observations
  5. Konus-Wind observation of GRB 110503A
  6. GRB 110503A: optical observation in CrAO
  7. GRB 110503A: R-band Detection
  8. GRB 110503A: Centimeter observation from EVLA
  9. GRB 110503A: Millimeter observation from SMA
  10. GRB 110503A: SARA-N Observations and Photometric Calibration
  11. GRB 110503A: Swift/UVOT Observations
  12. GRB 110503A: Swift-XRT refined Analysis
  13. GRB 110503A: PAIRITEL NIR Detection
  14. GRB 110503A: redshift confirmation from TNG
  15. GRB 110503A - TLS Afterglow Observations
  16. GRB 110503A: Swift-BAT refined analysis
  17. GRB 110503A: NOT afterglow photometry
  18. GRB 110503A: Redshift from 10.4m GTC
  19. GRB 110503A: Enhanced Swift-XRT position
  20. GRB 110503A: Swift detection of a burst with a bright optical counterpart


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