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GCN Circulars

GCN Circulars are rapid bulletins submitted by and distributed to the community. 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').
Advanced Search

To narrow the search results, use advanced search syntax. This allows for specifying which circular field to search (submitter, subject, and/or body). For additional information, refer to the advanced search documentation.

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subject:"Swift"
body:"GRB"
submitter:"Judith Racusin"

32703 results found.

  1. GRB080723B: Swift/UVOT Upper Limits
  2. GRB 080725: REM prompt observations
  3. Konus-Wind observation of GRB 080723B
  4. ATCA radio upper limit on GRB 080723B
  5. GRB 080723A: Swift/UVOT Upper Limits
  6. VLA radio upper limit on GRB 080721
  7. GRB 080723B - correction to flux conversion factor
  8. GRB 080723B - Swift-XRT refined analysis
  9. GRB 080723B - Swift-XRT position
  10. GRB 080723, Swift-BAT refined analysis
  11. GRB 080723B: AGILE GRID and MCAL results
  12. GRB 080723A: Swift-XRT refined analysis
  13. GRB 080723B: Detection and Localization by SuperAGILE
  14. GRB 080721 : Lulin 2nd optical follow-ups
  15. GRB 080721: OA fading and redshift
  16. TNG/DOLORES redshift for GRB080721
  17. GRB 080721: UVOT Follow-Up Observations
  18. Konus-Wind observation of GRB 080721
  19. GRB 080721: Swift-XRT refined analysis
  20. GRB 080721, Swift-BAT refined analysis
  21. GRB 080721: Swift/UVOT Photometric Redshift
  22. GRB 080721 : Lulin Optical follow-ups
  23. GRB 080721: Swift-XRT correct position
  24. Retraction of Swift Trigger 317393
  25. GRB 080714: GROND confirmation of the optical/NIR afterglow
  26. Konus-Wind observation of GRB 080714
  27. GRB 080714: Swift/UVOT Detection of an Optical Afterglow
  28. GRB 080714: Swift-XRT refined analysis
  29. GRB 080714: Swift-BAT refined analysis
  30. GRB 080702A: optical upper limit
  31. GRB 080603A: CrAO optical observations
  32. GRB 080603B: optical observations in MAO
  33. GRB 080603B: optical observations in CrAO
  34. GRB 080710: Optical observation with MITSuME Okayama
  35. GRB 080710: TLS observations, steepening afterglow decay
  36. GRB 080702B: Swift XRT confirmation of the afterglow
  37. GRB 080710, Swift-BAT refined analysis
  38. GRB 0800707: optical observations
  39. GRB 080710: Rapid PROMPT Observations
  40. GRB 080710: Swift-XRT refined analysis
  41. GRB080710: Swift/UVOT observations
  42. GRB 080710: Faulkes Telescope North observations
  43. GRB 080710: Gemini spectroscopy and probable redshift
  44. UVOT white band observations of GRB080710
  45. GRB 080710: REM afterglow confirmation & brightening
  46. GRB 080710: KAIT OA candidate
  47. GRB 080707: possible break in the X-rays
  48. New Swift-XRT GRB products available online.
  49. GRB 080707: GROND Confirmation of the Optical Afterglow
  50. UVOT observations of GRB080707
  51. GRB 080707, Swift-BAT refined analysis
  52. GRB 080707: Swift XRT refined analysis
  53. GRB 080707: VLT redshift
  54. GRB 080707: GROND Detection of the Optical Afterglow Candidate
  55. Refined analysis of Swift Trigger 316063, is IGR J08408-4503
  56. GRB 080703: GROND Upper Limits
  57. GRB 080702B: GROND Upper Limits
  58. GRB 080703: Swift-XRT refined analysis
  59. GRB 080703: UVOT Follow-Up Observation
  60. GRB 080703: VLT observations of the afterglow
  61. GRB 080703, Swift-BAT refined analysis
  62. GRB 080703A: ROTSE-III Detection of Optical Counterpart
  63. No radio detection from the short GRB 080702A
  64. GRB 080702b: LCO optical observations
  65. Swift/UVOT observation of GRB080702A
  66. GRB 080702B: Swift XRT and UVOT observations
  67. GRB 080625: Suzaku WAM observation of the prompt emission
  68. GRB 080702A: MITSuME Akeno optical upper limits
  69. GRB 080701A: Early RAPTOR optical limits
  70. Swift Trigger 315630: Swift/UVOT Upper Limits
  71. GRB 080702A, Swift-BAT refined analysis
  72. GRB 080702A: Swift-XRT Team refined analysis
  73. Swift Trigger 315630: TLS R-band observation
  74. Swift Trigger 315630: Probably not a GRB
  75. GRB 080701: Swift-XRT refined analysis
  76. GRB 080701A, VATT optical upper limit
  77. TLS I-Band Observation of GRB 080701A
  78. GRB 080701A: Swift/UVOT Upper Limits
  79. GRB 080701A: Early Super-LOTIS Observations
  80. GRB 080701A, Swift-BAT refined analysis
  81. GRB 080623: Suzaku WAM observation of the prompt emission
  82. GRB 080625: Swift/UVOT Follow-Up Observations
  83. GRB 080625: Further observations from OSN
  84. GRB 080625:Swift-XRT detection of the afterglow
  85. GRB 080625: Swift/UVOT Detection of an Optical Afterglow
  86. GRB 080625: Observations at OSN
  87. GRB 080623: GROND upper limits
  88. GRB080623: Swift UVOT followup observations
  89. GRB 080623: Swift-XRT refined analysis
  90. GRB 080623, Swift-BAT refined analysis
  91. GRB 080623: Swift/UVOT Non-Detection of an Optical Afterglow
  92. Swift trigger 314975 is not a GRB
  93. GRB080607: optical observation
  94. GRB 080603b: optical observation
  95. GRB 070809: Putative host galaxy and redshift
  96. VLA upper limit on INTEGRAL burst GRB 080613A
  97. GRB 0800603A: optical observation
  98. GRB080613B: MITSuME upper limits
  99. GRB080613A: Optical upper limits with Okayama MITSuME telescope
  100. Konus-Wind observation of GRB 080613B

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