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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"

12124 results found.

  1. GRB110918A: BOOTES-1 optical limit
  2. MAXI/GSC detection of a short soft X-ray transient
  3. Swift detection of short bursts from PSR J1647-4552
  4. GRB 110915A: Konus-Wind and Swift/BAT joint spectral analysis
  5. IPN triangulation of GRB 110918A (long duration, extremely intense)
  6. GRB 110915A: Swift-XRT refined Analysis
  7. GRB 110915B: XRT afterglow candidate
  8. GRB 110915B: SuperAGILE localization of a long GRB
  9. GRB 110915A: Prompt enhanced Swift-XRT position
  10. GRB 110915A: Swift detection of a burst
  11. GRB 110903A: Swift-XRT observations
  12. Konus-Wind observation of GRB 110903A
  13. GRB 110820A: optical upper limit
  14. SGR Swift J1834.9-0846: Correction to the Swift-BAT refined spectral analysis
  15. Trigger 502024: Swift detection of KS 1741-293
  16. SGR Swift J1834.9-0846: Swift-BAT refined analysis of trigger 501752
  17. Swift detection of an SGR burst from Swift J1834.9-0846
  18. GRB110825A: ROTSE early time optical limit
  19. GRB110825A: Swift target of opportunity observation
  20. IPN triangulation of GRB110825A (very intense, long-duration)
  21. Konus-Wind observation of GRB 110820B
  22. GRB 110820A: MASTER-NET first hour observations
  23. IPN triangulation of GRB 110820B (very long duration, extremely intense)
  24. GRB 110820A: CrAO optical upper limit
  25. GRB 110820A: MASTER-NET observations
  26. GRB 110820A: Swift detection of a burst
  27. GRB 110818A: Fermi GBM observation
  28. GRB 110818A: Swift-XRT refined Analysis
  29. GRB 110815A : Suzaku WAM observation of the prompt emission
  30. GRB 110818A: Swift detection of a burst
  31. Konus-Wind observation of GRB 110815A
  32. GRB 110801A: Konus-Wind and Swift/BAT joint spectral analysis
  33. GRB 110812A: SuperAGILE localization of a long GRB.
  34. SGR 1834.9-0846/ GRB 110807A, I-band observations
  35. Konus-Wind observation of GRB 110808B
  36. Konus-Wind observation of GRB 110808A
  37. SGR 1834.9-0846/ GRB 110807A: archival IR observations
  38. GRB 110808A: Swift/UVOT Detection
  39. GRB 110808A: Swift-XRT refined Analysis
  40. SGR J1834.9-0846: A Neutron Star in W41?
  41. Swift SGR 1834.9-0846: Swift-BAT refined analysis
  42. GRB 110808A: Swift detection of a burst with optical counterpart
  43. Fermi GBM detection of a SGR-like burst
  44. GRB 110807A: Swift detection of a burst or a posible new SGR
  45. GRB 110726A: two epochs of SAO RAS optical observations
  46. Konus-Wind observation of GRB 110802A
  47. GRB 110726A: Swift-XRT refined Analysis
  48. GRB 110801A: MASTER OT observations
  49. GRB 110801A: Swift-XRT refined Analysis
  50. GRB110801A: MITSuME Ishigakijima Optical Observation
  51. GRB 110801A: TLS Optical afterglow confirmation
  52. Konus-Wind observation of GRB 110731A
  53. Fermi-LAT Detection of GRB110731A
  54. GRB 110731A: Swift detection of a burst with an optical counterpart
  55. GRB 110726A: optical upper limit in CrAO
  56. Swift detection of a SGR-like burst from the AXP 4U 0142+61
  57. GRB 110726A: Swift detection of a burst
  58. Konus-Wind observation of GRB 110721A
  59. GRB 110721A: Fermi-LAT detection
  60. GRB110715A: spectral lag analysis
  61. GRB 110719A: optical limit by "Pi of the Sky"
  62. GRB 110719A: Swift-XRT refined Analysis
  63. GRB 110719A: Swift detection of a burst
  64. Swift J1822.3-1606
  65. Konus-Wind observation of GRB 110715A
  66. Swift J1822.3-1606: Swift-XRT detection of the X-ray counterpart
  67. Swift J1822.3-1606: A Probable New SGR in Ground Analysis of BAT Data
  68. GRB 110709A / EVLA upper limits
  69. Konus-Wind observation of GRB 110708B
  70. GRB 110709B BAT refined analysis
  71. GRB 110709B: Swift-XRT refined Analysis
  72. GRB 110709A: Swift-XRT refined Analysis
  73. Konus-Wind observation of GRB 110709A
  74. Konus-Wind observation of GRB 110709B
  75. GRB110709A: upper limits from CAHA 1.23m and OSN 1.5m
  76. GRB 110708A: Lick observations
  77. GRB 110708A: a long GRB detected by INTEGRAL
  78. Konus-Wind observation of GRB 110705A
  79. SGR 1E 1841-045: early optical limit by "Pi of the Sky"
  80. SGR 1E 1841-045: Swift-BAT refined analysis
  81. SGR 1E 1841-045: Swift detection of a soft gamma repeater burst
  82. GRB 110625A: Fermi GBM and LAT observations
  83. Konus-Wind observation of GRB 110625A
  84. GRB 110625A: ROTSE-III Optical Limits
  85. SGR 1E 1841-045: Swift-BAT refined analysis
  86. GRB 110604A: final update on Swift-XRT observations
  87. SGR 1E 1841-045: Swift detection of a soft gamma repeater burst
  88. Konus-Wind observation of GRB 110618A
  89. GRB 110610A: MASTER-NET optical observations
  90. Konus-Wind observation of GRB 110604A
  91. GRB 110530A: Swift-XRT refined Analysis
  92. GRB 110530A: MASTER OT observations
  93. GRB 110530A: Swift detection of a burst with an optical afterglow
  94. Konus-Wind observation of GRB 110529A
  95. Swift J1644+57/GRB 110328A, Additional HST Observations
  96. GRB 110521A: MASTER prompt optical limit
  97. GRB 110521A: Swift-XRT refined analysis
  98. GRB 110521A: Swift detection of a burst
  99. GRB 110520A: Swift-XRT refined Analysis
  100. GRB 110520A: WHT IR observations

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