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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').

15 results found.

  1. GRB 060801: XRT/SDSS Frame Offset and Refined XRT Position
  2. GRB 060108: IR observations of afterglow
  3. GRB 060108: further analysis of VLT images
  4. GRB 060108: Evidence for an XRT Position Offset
  5. GRB 060108: VLT K-band observations
  6. GRB 060108: z-band imaging from Gemini-North
  7. GRB 060108: ISAS early observations and near IR upper limit
  8. GRB 060108: early UKIRT K-band observations
  9. GRB 060108: a dark burst?
  10. GRB 060108: Refined XRT analysis
  11. GRB 060108: VLT J-band observations
  12. GRB 060108: Mitsume optical observations
  13. GRB 060108: Swift/UVOT upper limits
  14. GRB 060108: Refined analysis of the Swift-BAT burst
  15. GRB 060108: Swift XRT position

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