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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"

19290 results found.

  1. GRB200618: optical polarimetry and photometry
  2. GRB 060218/SN 2006aj: ABT observations
  3. GRB 060218/SN 2006aj: RBO optical observations
  4. GRB 060204B: GETS early limit
  5. GRB 060223B: Swift-BAT refined analysis
  6. GRB 060223: Swift-BAT refined analysis
  7. GRB 060223: Swift detection of a burst
  8. Spectral properties of GRB060218/SN2006aj
  9. GRB 060219: Swift-BAT refined analysis
  10. GRB060218: UV Detection and Light Curves
  11. GRB 060219: Swift-XRT Team refined analysis
  12. GRB 051221B: Swift-XRT Team Refined Analysis
  13. GRB 060218: optical/nIR observations at La Palma
  14. GRB060219: SDSS pre-burst observations
  15. GRB060218: Swift/XRT Team preliminary analysis of the possible burst
  16. GRB060218: Swift/XRT refined position of a possible burst
  17. Further UVOT Observations of the Candidate Optical Afterglow for GRB 060218
  18. GRB 060218: Swift-BAT detection of a possible burst
  19. GRB 060213: optical afterglow not confirmed
  20. GRB 060211B: Skynet Observations
  21. GRB 060213: IPN localization
  22. GRB 060211A: Further refined analysis of the Swift burst
  23. GRB060121: optical observations
  24. GRB 060211A: Partial refined analysis on the Swift-BAT burst
  25. GRB 050826: Optical Afterglow and Host Galaxy
  26. GRB 060210: Further refined analysis of the Swift-BAT burst
  27. GRB 060211B: Swift/BAT refined analysis
  28. GRB 060211B: Swift-XRT Team refined analysis
  29. GRB 060210: Optical Observations
  30. GRB 060211A: Swift XRT Team Refined Analysis
  31. GRB 060210: Refined analysis of the Swift-BAT burst
  32. GRB060210: Swift XRT Refined Analysis
  33. GRB060206, optical observations
  34. GRB 060210 : Xinglong and Lulin optical limit
  35. GRB 060210: optical evolution
  36. GRB 060210: Swift detection of a burst
  37. GRB 060206: WSRT Radio Observations
  38. GRB 060121 : WIDGET Pre-trigger limit
  39. GRB 060206: optical observations at Asiago
  40. GRB 060206: Super-LOTIS observations
  41. GRB 060206: Swift-BAT refined analysis
  42. GRB060206: Swift-BAT detection of a burst
  43. GRB 060204A: Swift XRT upper limit
  44. GRB 060204B: Swift-BAT refined analysis
  45. GRB 060204A: further INTEGRAL results
  46. GRB060204B, optical observation
  47. GRB 060203: Swift-BAT refined analysis
  48. GRB 060202: PROMPT Observations
  49. GRB 060202: GETS observation
  50. GRB 060202: Gemini-N J, H, K_s observations
  51. GRB 060202: Near-IR Observation with UKIRT/WFCAM
  52. GRB 060202: Refined analysis of the Swift-BAT burst
  53. GRB 060121: Gemini Late-time Observations
  54. GRB 060130: PROMPT Observations
  55. GRB 060123: Gemini spectroscopy of the putative host galaxy
  56. GRB 060130: further INTEGRAL IBIS results
  57. GRB 060121: Confirmation of NIR Afterglow
  58. GRB 060123: Swift refined analysis of an unusual GRB
  59. GRB 060121: Probable Detection of NIR Afterglow
  60. GRB 060124: HETE detection and spectrum of the main peak
  61. GRB060124: detailed XRT analysis
  62. GRB 060124: XRT refined analysis
  63. GRB060124: optical observations at Asiago
  64. GRB 060124: Extremely long burst, Swift-BAT refined analysis
  65. GRB060123: SDSS pre-burst observations
  66. GRB 060116: Further analysis of VLT photometry and optical spectroscopy
  67. GRB 060117: Suzaku WAM observation of the prompt emission
  68. GRB 060111B: Suzaku WAM observation of the prompt emission
  69. GRB 060121: Swift XRT refined analysis
  70. Konus-Wind observation of GRB 060121
  71. GRB060121 - SDSS pre-burst observations
  72. GRB 060121 (=H4010): Results of preliminary spectral analysis
  73. GRB 060116: photometric redshift - the farthest GRB?
  74. Konus-Wind observation of GRB 060117
  75. GRB 060116: possible I-J dropout
  76. GRB 060117: Refined analysis of the Swift-BAT burst
  77. GRB 060116: VLT optical observations
  78. GRB 060116: Refined analysis of the Swift-BAT burst
  79. GRB 060116: XRT refined analysis
  80. GRB 060110: XRT position and analysis
  81. GRB 060116 : Lulin optical limit
  82. GRB 060115: Refined analysis of the Swift-BAT burst
  83. GRB 060115: Swift XRT refined analysis
  84. GRB 060108: Evidence for an XRT Position Offset
  85. GRB 060111B: Swift XRT refined analysis
  86. GRB 060111B: MITSuME detection of optical afterglow
  87. GRB 060111B: Refined analysis of the Swift-BAT burst
  88. GRB 060111B: Swift detection of a burst
  89. GRB 060111: Swift-BAT Refined Analysis
  90. GRB060111.2:_MASTER optical limit
  91. GRB 060111: Swift detection of a burst
  92. GRB 060110: Swift-BAT refined analysis
  93. GRB 060109: Swift-BAT refined analysis
  94. GRB 060108: z-band imaging from Gemini-North
  95. GRB 060110: IR Candidate Afterglow
  96. GRB 060110: Optical observation
  97. GRB 060110: Correction
  98. Correction to GRB 060109 XRT analysis
  99. GRB 050110: IR Observations
  100. GRB 060109: Refined Swift-XRT analysis

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