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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.

"N/A_MC170208_R1" does not adhere to advanced search syntax. Please refer to the documentation and try again.
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"

10959 results found.

  1. Swift UVOT refined analysis
  2. GRB 050502b: Swift XRT Position
  3. Swift Detection of the Bright Burst GRB050502b
  4. GRB 050502: INTEGRAL results
  5. GRB 050502: Confirmed variability of the afterglow candidate +
  6. GRB 050502 - A long GRB detected with INTEGRAL
  7. Swift/BAT possible detection of a weak burst GRB050430
  8. GRB 050401: Rc observation
  9. GRB 050422: Swift-UVOT observation
  10. GRB 050422: Swift-BAT refined analysis
  11. GRB 050422: Swift XRT Position
  12. Swift Detection of GRB 050422
  13. GRB 050421: Swift-UVOT observation
  14. GRB 050421: Swift-BAT refined analysis
  15. GRB 050421: early Swift XRT analysis results
  16. GRB 050421: BOOTES-2 simultaneous optical observations
  17. Swift Detection of GRB050421
  18. GRB 050416b: Tentative Swift XRT Position
  19. GRB050418: Null Optical Observations
  20. GRB 050418: Swift-BAT refined analysis
  21. Swift-BAT detection of the bright and long GRB 050418
  22. GRB 050416: Mitsume optical observation
  23. GRB 050416b: Swift-BAT refined analysis
  24. GRB 050416b: LCO observations
  25. GRB 050416b: LCO observations
  26. GRB 050416: Swift/UVOT refined analysis
  27. Swift-BAT detection of GRB 050416b
  28. IBAS GRB Alert # 2463: not a GRB
  29. GRB 050416: Swift/UVOT detection of afterglow emission
  30. GRB050416: Refined Swift-XRT analysis
  31. GRB 050416: Swift-BAT refined analysis
  32. GRB 050416: Swift XRT Position
  33. Swift BAT/XRT Detection of GRB 050416
  34. GRB 050412: Subaru observations
  35. GRB 050408: RTT150 optical observations
  36. GRB 050408: refined XRT analysis, no jet break seen yet
  37. GRB 050412: Swift-BAT refined analysis
  38. GRB 050412: Early Optical/Ultraviolet Observations with
  39. GRB 050412: Swift XRT Position
  40. Swift-BAT Detection of GRB 050412: A Bright, Long Burst
  41. GRB 050410: Early Optical/Ultraviolet Observations with Swift/UVOT
  42. GRB 050410, optical observations
  43. GRB 050408: Early Optical/Ultraviolet Observations with Swift/UVOT
  44. GRB 050408: Swift XRT measurement of possible jet break
  45. GRB 050410: Early observations with Swift-UVOT
  46. Swift-BAT detection of GRB 050410
  47. GRB 050410: Swift XRT Position
  48. GRB 050408: Inconsistency of host galaxy identification
  49. GRB 050408: Subaru Observations
  50. GRB 050408: Swift XRT analysis
  51. GRB 050408, optical observations
  52. GRB 050408: First Optical observations with TFOSC at the RTT150
  53. GRB 050408: opitcal observation
  54. GRB 050408: Swift XRT Position
  55. GRB 050408 (=H3711): A Long X-Ray-Rich GRB Detected by HETE
  56. Swift-UVOT Optical Counterpart Candidate to XRF 050406
  57. GRB 050406: early Swift XRT analysis results
  58. GRB 050406 BAT refined analysis
  59. GRB 050406: Early observations with Swift-UVOT
  60. GRB 050406: Swift XRT Position
  61. Swift-BAT detection of GRB 050406
  62. GRB 050401 BAT refined analysis
  63. Very questionable identity of Swift-BAT GRB050402 (Trig=113225)
  64. GRB050401: TNG R-band observation
  65. GRB050402: XDSS counterpart
  66. GRB 050402: Early observations with Swift-UVOT
  67. Swift-BAT detection of GRB 050401
  68. GRB 050401: Prompt XRT position
  69. Retraction of three Swift GRB triggers
  70. GRB050331: No Afterglow Detected
  71. Swift-BAT detection of GRB 050331b
  72. GRB 050331: Swift UVOT Source
  73. Swift-BAT detection of GRB 050331
  74. GRB 050331: Swift XRT Position
  75. GRB 050326: Early observations with Swift-UVOT
  76. GRB 050326: Swift XRT Position
  77. GRB 050326 BAT refined analysis
  78. GRB050326: delayed XRT observation
  79. Swift-BAT detection of a bright GRB 050326
  80. GRB050319, color indices
  81. Swift-BAT detection of a bright outburst from SGR1806-20
  82. Swift-BAT trigger 112060 is not a real GRB
  83. GRB 050319: Absorption redshift from the Nordic Optical Telescope
  84. GRB 050318: Swift-BAT refined analysis
  85. Refined Swift XRT positions for GRB050315, GRB050318 and GRB050319
  86. GRB 050319: Swift-UVOT detection of the afterglow
  87. GRB 050318: SWIFT-UVOT refined analysis
  88. GRB 050319: Swift-BAT refined analysis
  89. Swift Detection of GRB 050319
  90. GRB 050318: Swift/UVOT detection of afterglow emission
  91. GRB050318: Swift XRT position
  92. RXTE Observations of GRB050318
  93. Swift-BAT detection of GRB 050318
  94. GRB 050315: Swift-BAT further refined analysis
  95. GRB050315: Swift-BAT Refined analysis
  96. GRB 050315: Swift XRT Position
  97. GRB 050315: Early Observations with Swift/UVOT
  98. Swift-BAT detection of GRB 050315
  99. GRB050223: No XMM-Newton OM detection of afterglow emission
  100. GRB 050306: optical afterglow

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