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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').
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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"

37789 results found.

  1. Fermi trigger No 582615488 Global MASTER-Net observations report
  2. IceCube-190619A: not observable by Fermi-GBM
  3. Fermi GBM trigger 190619235/582615488 likely not a GRB
  4. IceCube-190619A - IceCube observation of a high-energy neutrino candidate event
  5. Fermi trigger No 582646590 Global MASTER-Net observations report
  6. GRB 190619B: BALROG localization (Fermi Trigger 582646590 / GRB 190619595)
  7. GRB 190619B: Fermi GBM Final Real-time Localization
  8. GRB 190613A: SEDM Observations
  9. Fermi trigger No 582596766 Global MASTER-Net observations report
  10. GRB 190613B: JCMT SCUBA-2 sub-mm observations
  11. GRB 190619A: Fermi GBM Final Real-time Localization
  12. GRB 190613B: AstroSat CZTI detection
  13. GRB 190611B: AstroSat CZTI detection
  14. Konus-Wind observation of GRB 190613B
  15. GRB 190615B: Insight-HXMT/HE detection
  16. GRB 190615A: Insight-HXMT/HE detection
  17. GRB 190613B: Kitab observatory optical upper limit
  18. Fermi trigger No 582304592 Global MASTER-Net observations report
  19. GRB 190615A: Fermi GBM Final Real-time Localization
  20. GRB 190613A: Kitab and AbAO optical upper limit
  21. Fermi trigger No 582159815 Global MASTER-Net observations report
  22. GRB 190613B: SEDM Observations
  23. GRB 190613A: SEDM Observations
  24. GRB 190610A: Swift/UVOT Upper Limits
  25. GRB 190610A: Swift-XRT observations
  26. GRB 190613B: Optical observation from Asiago Schmidt
  27. GRB 190613B: GROND Detection of the Optical/NIR Afterglow
  28. GRB 190611B: CALET Gamma-Ray Burst Monitor detection
  29. GRB 190613B: Insight-HXMT/HE detection
  30. Konus-Wind observation of short/hard GRB 190610A
  31. Konus-Wind observation of GRB 190611B
  32. GRB 190613B: BOOTES-5/JGT early optical observations
  33. GRB 190613B: Optical observations from NOT
  34. Fermi trigger No 582115625 Global MASTER-Net observations report
  35. GRB 190613B: Swift-XRT refined Analysis
  36. GRB 190613A: FRAM-ORM afterglow detection
  37. GRB 190610A: Swift ToO observations
  38. GRB 190613B: Swift-BAT refined analysis
  39. GRB 190613A, Swift-BAT refined analysis
  40. GRB 190613B: KAIT Optical Afterglow Confirmation
  41. GRB 190613B: Swift/UVOT Detection
  42. GRB 190613A: Fermi GBM detection
  43. GRB 190613A: Swift/UVOT Detection
  44. GRB 190613B: Fermi GBM observation
  45. GRB 190611B: BALROG localization (Fermi Trigger 581986074 / GRB 190611950)
  46. GRB 190613B: Enhanced Swift-XRT position
  47. IPN Triangulation of GRB 190611B
  48. GRB 190613A: Swift-XRT refined Analysis
  49. GRB 190613A: Enhanced Swift-XRT position
  50. GRB 190613B: BALROG localization (Fermi Trigger 582115625 / GRB 190613449)
  51. GRB 190613B: Swift detection of a burst with an optical counterpart
  52. GRB 190613B: Fermi GBM Final Real-time Localization
  53. GRB 190610A: CALET Gamma-Ray Burst Monitor detection
  54. GRB 190609A: AstroSat CZTI detection
  55. GRB 190613A: MASTER OT detection
  56. GRB 190613A: KAIT Optical Afterglow Confirmation
  57. GRB 190613A: BALROG localization (Fermi Trigger 582091643 / GRB 190613172)
  58. GRB 190613A: Fermi GBM Final Real-time Localization
  59. GRB 190613A: Swift detection of a burst with an optical counterpart
  60. Fermi trigger No 582091643 Global MASTER-Net observations report
  61. Fermi trigger No 582012834 Global MASTER-Net observations report
  62. Fermi trigger No 581986074 Global MASTER-Net observations report
  63. GRB 190611B: Fermi GBM detection
  64. GRB 190611A: Swift-XRT refined Analysis
  65. GRB 190611A: Swift/UVOT Upper Limits
  66. GRB 190611A: Optical observations from VLT/FORS2
  67. GRB 190611A, Swift-BAT refined analysis
  68. GRB 190610B: AstroSat CZTI detection
  69. Fermi trigger No 582004649 Global MASTER-Net observations report
  70. GRB 190612A: Fermi GBM Final Real-time Localization
  71. GRB 190611A: Enhanced Swift-XRT position
  72. GRB 190611A: Swift detection of a burst
  73. Konus-Wind observation of GRB 190606A
  74. GRB 190610A: Swift-BAT refined analysis
  75. GRB 190610A: Insight-HXMT/HE detection
  76. Fermi trigger No 581889628 Global MASTER-Net observations report
  77. GRB 190610C: Fermi GBM Final Real-time Localization
  78. Fermi trigger No 581882394 Global MASTER-Net observations report
  79. GRB190610B: BALROG localization (Fermi Trigger 581882394 / GRB 190610750)
  80. GRB 190610B: Fermi GBM Final Real-time Localization
  81. Fermi trigger No 581841498 Global MASTER-Net observations report
  82. GRB 190610A: Swift detection of a short burst
  83. GRB190609A: BALROG localization (Fermi Trigger 581758450 / GRB 190609315)
  84. GRB 190609A: Fermi GBM Final Real-time Localization
  85. Fermi trigger No 581719018 Global MASTER-Net observations report
  86. GRB 190605A: AstroSat CZTI detection
  87. Fermi trigger No 581645543 Global MASTER-Net observations report
  88. GRB 190608A: Fermi GBM Final Real-time Localization
  89. GRB 190606A: Insight-HXMT/HE detection
  90. GRB 190114C: East Asia VLBI Network observations
  91. IPN Triangulation of GRB 190606A (short)
  92. GRB 190606A: Fermi GBM detection
  93. GRB 190530A: Further OAJ/OSN photometry and analysis
  94. GRB 190604B: VLT Afterglow Detection
  95. GRB 190606A: Fermi-LAT detection
  96. GRB 190605B: Insight-HXMT/HE detection
  97. Fermi trigger No 581478912 / GRB 190606A: AGILE/MCAL observations
  98. GRB 190604A: Insight-HXMT/HE detection
  99. Fermi trigger No 581478912 Global MASTER-Net observations report
  100. Fermi trigger No 581469752 Global MASTER-Net observations report

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