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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.

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19666 results found.

  1. GRB 091024 : Faulkes Telescope North - Afterglow Confirmation
  2. GRB 091024: Faulkes Telescope North Afterglow Candidate
  3. GRB 091024: Swift detection of a burst
  4. GRB 091020: Swift-XRT refined analysis
  5. GRB 091018: Swift XRT refined analysis
  6. GRB091020 Swift/UVOT observations
  7. GRB 091020, Swift-BAT refined analysis
  8. GRB 091020: Enhanced Swift-XRT position
  9. GRB 090926A: Late-time Gemini South Observations and Possible Jet Break
  10. GRB 091020: Swift detection of a burst with an optical afterglow
  11. GRB 091018: Skynet/PROMPT Observations of Fading
  12. Konus-RF observation of GRB 091018
  13. GRB 091018 : Faulkes Telescope South Observations
  14. GRB091018: Swift/UVOT observations
  15. GRB 091018: Swift-BAT refined analysis
  16. GRB 091018: Enhanced Swift-XRT position
  17. GRB 091018: ROTSE-III Detection of Optical Counterpart
  18. GRB 091018: Swift detection of a burst with optical afterglow
  19. GRB 090726 R band observations
  20. GRB 091010: Swift-XRT refined analysis
  21. Radio observation of GRB090927 with ATCA
  22. GRB 091010: Fermi GBM observation
  23. GRB 090531A: Skynet/PROMPT Observations
  24. GRB 090530A: Skynet/DSO Detections
  25. GRB 091010: Enhanced XRT position
  26. GRB 091010: GROND afterglow candidate
  27. GRB 091010: Swift/UVOT Upper Limits
  28. GRB 091010: Swift-XRT position
  29. GRB 090518: Skynet/PROMPT Observations
  30. Short-Duration GRB 090621: Skynet/Dolomiti Observations
  31. GRB 090812: Skynet/PROMPT and GORT Observations
  32. GRB 091003: Lick observations and possible SDSS host galaxy
  33. GRB 090926B: Skynet/PROMPT Observations
  34. GRB 090929B: Suzaku WAM observation of the prompt emission
  35. GRB 091003: Swift-XRT confirmation of fading afterglow
  36. GRB 091003: Swift/UVOT Detection of an Optical Afterglow
  37. GRB 091003: UVOT-enhanced XRT position
  38. GRB 091003: Swift UVOT Detection of a Candidate UV Afterglow
  39. GRB 091003: Swift XRT analysis
  40. GRB 091003A: Fermi LAT detection
  41. GRB 090929A: Swift/UVOT Observations
  42. GRB 090929A, Swift-BAT refined analysis
  43. GRB 090929B, Swift-BAT refined analysis
  44. Trigger 371210: Swift/BAT Triggered on IGR J17511-3057
  45. GRB 090929A: Swift-XRT non-detection
  46. Konus-Wind observation of GRB 090929A
  47. Konus-Wind observation of GRB 090929B
  48. GRB 090927: Fermi GBM observation
  49. GRB 090929B: Swift-XRT refined analysis
  50. GRB 090929B: Skynet/DSO Observations
  51. GRB 090929B: Swift/UVOT Observations
  52. Konus-RF observation of GRB 090929A
  53. GRB 090929B: RAPTOR Discovery of Optical Counterpart
  54. GRB 090929A BAT location of the Fermi GBM burst
  55. Correction: GRB 090929B: Enhanced Swift-XRT position
  56. GRB 090929: Enhanced Swift-XRT position
  57. GRB 090929B: Swift detection of a burst
  58. GRB090926A: Swift-XRT refined analysis
  59. GRB 090927: Faulkes Telescope South Detection of the Optical Afterglow
  60. GRB 090926B: Fermi GBM detection
  61. GRB 090927: Zadko Telescope observations
  62. GRB 090927, Swift-BAT refined analysis of the possibly short burst
  63. Swift/UVOT observations of GRB 090927
  64. GRB 090927: Swift XRT refined analysis
  65. GRB 090927: Enhanced Swift-XRT position
  66. GRB090926B: Swift/UVOT Upper Limits
  67. GRB090926A: Swift/UVOT observations
  68. GRB 090927: Swift/UVOT detection of an optical afterglow
  69. GRB 090927: Swift detection of a short burst
  70. GRB 090926B: MAXI GSC detection
  71. GRB 090926B: Swift XRT refined analysis
  72. GRB 090926B: Swift-BAT refined analysis
  73. GRB 090926A: Swift/UVOT detection of an optical afterglow
  74. GRB 090926A: Skynet/PROMPT Discovery of the Optical Afterglow
  75. GRB090926A: UVOT-enhanced XRT position
  76. GRB 090926B: Swift detection of a burst
  77. GRB 090926: Fermi LAT detection
  78. GRB090904B : IRSF NIR upper limit
  79. Swift returns to normal operations
  80. GRB 090715B: Skynet/PROMPT Detections
  81. GRB 090916: Swift-XRT upper limit
  82. GRB 090807: Skynet/DSO Observations
  83. Swift-BAT temporarily off-line for a few days
  84. Short-Duration GRB 090916: Skynet/PROMPT Observations
  85. GRB 090912: optical observation
  86. GRB 090915: Swift/UVOT detection of an optical afterglow candidate
  87. GRB 090916, Swift-BAT refined analysis
  88. GRB 090915: Swift-XRT detection of a fading X-ray counterpart
  89. GRB 090916: Swift detection of a short burst
  90. GRB 090915 Swift-BAT detection of a burst in ground analysis
  91. GRB 090827: Confirmation of the X-ray afterglow
  92. GRB 090912: Swift-XRT refined analysis
  93. GRB 090912, Swift-BAT refined analysis
  94. GRB 090912: Swift/UVOT Upper Limits
  95. GRB 090912: Enhanced Swift-XRT position
  96. GRB 090912: Swift detection of a burst
  97. GRB 090814A: Skynet/DSO & GORT Observations
  98. GRB 090823: Swift XRT confirmation of the X-ray afterglow
  99. GRB 090904B: GROND detection of the optical afterglow
  100. GRB 090904A: Swift/UVOT Refined Analysis

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