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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_MC161202_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"

10935 results found.

  1. GRB 050416b: LCO observations
  2. GRB 050416: Swift/UVOT refined analysis
  3. Swift-BAT detection of GRB 050416b
  4. IBAS GRB Alert # 2463: not a GRB
  5. GRB 050416: Swift/UVOT detection of afterglow emission
  6. GRB050416: Refined Swift-XRT analysis
  7. GRB 050416: Swift-BAT refined analysis
  8. GRB 050416: Swift XRT Position
  9. Swift BAT/XRT Detection of GRB 050416
  10. GRB 050412: Subaru observations
  11. GRB 050408: RTT150 optical observations
  12. GRB 050408: refined XRT analysis, no jet break seen yet
  13. GRB 050412: Swift-BAT refined analysis
  14. GRB 050412: Early Optical/Ultraviolet Observations with
  15. GRB 050412: Swift XRT Position
  16. Swift-BAT Detection of GRB 050412: A Bright, Long Burst
  17. GRB 050410: Early Optical/Ultraviolet Observations with Swift/UVOT
  18. GRB 050410, optical observations
  19. GRB 050408: Early Optical/Ultraviolet Observations with Swift/UVOT
  20. GRB 050408: Swift XRT measurement of possible jet break
  21. GRB 050410: Early observations with Swift-UVOT
  22. Swift-BAT detection of GRB 050410
  23. GRB 050410: Swift XRT Position
  24. GRB 050408: Inconsistency of host galaxy identification
  25. GRB 050408: Subaru Observations
  26. GRB 050408: Swift XRT analysis
  27. GRB 050408, optical observations
  28. GRB 050408: First Optical observations with TFOSC at the RTT150
  29. GRB 050408: opitcal observation
  30. GRB 050408: Swift XRT Position
  31. GRB 050408 (=H3711): A Long X-Ray-Rich GRB Detected by HETE
  32. Swift-UVOT Optical Counterpart Candidate to XRF 050406
  33. GRB 050406: early Swift XRT analysis results
  34. GRB 050406 BAT refined analysis
  35. GRB 050406: Early observations with Swift-UVOT
  36. GRB 050406: Swift XRT Position
  37. Swift-BAT detection of GRB 050406
  38. GRB 050401 BAT refined analysis
  39. Very questionable identity of Swift-BAT GRB050402 (Trig=113225)
  40. GRB050401: TNG R-band observation
  41. GRB050402: XDSS counterpart
  42. GRB 050402: Early observations with Swift-UVOT
  43. Swift-BAT detection of GRB 050401
  44. GRB 050401: Prompt XRT position
  45. Retraction of three Swift GRB triggers
  46. GRB050331: No Afterglow Detected
  47. Swift-BAT detection of GRB 050331b
  48. GRB 050331: Swift UVOT Source
  49. Swift-BAT detection of GRB 050331
  50. GRB 050331: Swift XRT Position
  51. GRB 050326: Early observations with Swift-UVOT
  52. GRB 050326: Swift XRT Position
  53. GRB 050326 BAT refined analysis
  54. GRB050326: delayed XRT observation
  55. Swift-BAT detection of a bright GRB 050326
  56. GRB050319, color indices
  57. Swift-BAT detection of a bright outburst from SGR1806-20
  58. Swift-BAT trigger 112060 is not a real GRB
  59. GRB 050319: Absorption redshift from the Nordic Optical Telescope
  60. GRB 050318: Swift-BAT refined analysis
  61. Refined Swift XRT positions for GRB050315, GRB050318 and GRB050319
  62. GRB 050319: Swift-UVOT detection of the afterglow
  63. GRB 050318: SWIFT-UVOT refined analysis
  64. GRB 050319: Swift-BAT refined analysis
  65. Swift Detection of GRB 050319
  66. GRB 050318: Swift/UVOT detection of afterglow emission
  67. GRB050318: Swift XRT position
  68. RXTE Observations of GRB050318
  69. Swift-BAT detection of GRB 050318
  70. GRB 050315: Swift-BAT further refined analysis
  71. GRB050315: Swift-BAT Refined analysis
  72. GRB 050315: Swift XRT Position
  73. GRB 050315: Early Observations with Swift/UVOT
  74. Swift-BAT detection of GRB 050315
  75. GRB050223: No XMM-Newton OM detection of afterglow emission
  76. GRB 050306: optical afterglow
  77. Swift-BAT trigger 107873: No Swift XRT counterpart
  78. GRB 050306: Confirmation of X-ray afterglow
  79. Swift-BAT trigger 107873 (GRB050309): possible X-ray counterparts
  80. GRB 050309 : Lulin R-band observation
  81. GRB 050306: CORRECTION to date of observation
  82. GRB 050306: R-band observations
  83. GRB 050306: No Swift UVOT Optical Counterpart Detected
  84. GRB 050306: REM optical-infrared observations
  85. GRB 050306: Possible X-ray Afterglow Position from the Swift
  86. GRB 050306: Swift-BAT detection of a long burst
  87. GRB050215B: Late-Time Swift UVOT Observations
  88. Confirmed XRF nature for GRB050215b
  89. INTEGRAL detection of GRB 050223
  90. GRB050223: No Swift UVOT Detection of Afterglow Emission
  91. GRB 050223 Swift/BAT detection of a burst
  92. GRB 050223: Swift XRT Position
  93. HETE-2 Observations of GRB 050215b (=U11570): A Likely X-Ray Flash
  94. GRB050219b: CORRECTION to time of UVOT observations
  95. GRB050215b: Faulkes North and SDSS limits on UKIRT candidate
  96. GRB050219b: No Swift UVOT Detection of Afterglow Emission
  97. GRB 050219b: CORRECTION to refined XRT position
  98. GRB050219b: No Swift UVOT Detection of Afterglow Emission
  99. GRB 050219b: Refined XRT position
  100. GRB 050219b: Swift-BAT detection of a burst

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