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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"

15396 results found.

  1. Konus-Wind observation of GRB 110802A
  2. IPN triangulation of GRB110802A (short/hard burst)
  3. GRB 110731A : Suzaku WAM observation of the prompt emission
  4. GRB110731A: MOA optical observations of the steeply fading afterglow
  5. GRB 110801A: SAO RAS optical observations
  6. GRB110801A: MITSuME Ishigakijima Optical Observation at 1 day after the burst
  7. GRB 110801A: Afterglow redshift from 10.4m GTC
  8. GRB110801A: MITSuME Ishigakijima Optical Observation
  9. GRB 110801A: TLS Optical afterglow confirmation
  10. GRB110731A: MITSuME Ishigakijima Optical Upper Limits
  11. Konus-Wind observation of GRB 110731A
  12. GRB110731A: Swift/UVOT Observations
  13. GRB 110731A: Fermi GBM observation
  14. Fermi-LAT Detection of GRB110731A
  15. Sw J1644+57 (GRB 110328A): Continued VLBA Observations
  16. GRB 110721A: Swift observations of afterglow candidate
  17. GRB 110726A: ROTSE-III refined analysis, fast decay in early phase
  18. GRB110726A: MITSuME Ishigakijima Optical Observation
  19. GRB 110726A: Swift/UVOT Detection
  20. IPN triangulation of GRB 110721A
  21. GRB 110721A: potential counterpart candidate
  22. Konus-Wind observation of GRB 110721A
  23. GRB 110721A: Fermi-LAT detection
  24. GRB110715A: spectral lag analysis
  25. GRB 110715A : Suzaku WAM observation of the prompt emission
  26. GRB 110715A optical observations
  27. GRB 110709B : Suzaku WAM observation of the prompt emission
  28. GRB110715A: GROND Detection of the Optical/NIR Afterglow
  29. Konus-Wind observation of GRB 110715A
  30. GRB 110709B: Additional Gemini observations and deep limits on an optical afterglow
  31. Swift trigger 457076 is not a GRB
  32. Konus-Wind observation of GRB 110708B
  33. GRB 110709A: Suzaku WAM observation of the prompt emission
  34. GRB 110709B BAT refined analysis
  35. GRB 110709B: burst detection from Swift-BAT slew data
  36. GRB 110709B: Swift/UVOT Detection of Possible Optical Flaring
  37. Konus-Wind observation of GRB 110709A
  38. GRB 110709B: correction to GCN 12135 (Konus-Wind peak flux)
  39. Konus-Wind observation of GRB 110709B
  40. GRB 110709A: Fermi GBM observation
  41. GRB 110709B : A possible source in USNO B 1.0
  42. GRB 110709B: GROND Detection of an Afterglow Candidate
  43. GRB 110709B: Gemini-South optical observations
  44. GRB 110709B: possible quiescent source in DSS
  45. GRB 110709B: Swift detection of renewed activity at T+11 minutes.
  46. GRB 110708A: Swift/XRT afterglow candidate for the INTEGRAL burst
  47. GRB 110705A: Suzaku WAM observation of the prompt emission
  48. Konus-Wind observation of GRB 110705A
  49. GRB 110625A: Suzaku WAM observation of the prompt emission
  50. Swift J185003.2-005627: 1.23m CAHA and BOOTES-3 observations
  51. GRB 110625A: Fermi GBM and LAT observations
  52. GRB 110625A: Swift/UVOT Upper Limits
  53. GRB 110625A: 1.23m CAHA I-band observations
  54. GRB 110625A: GROND detection of a source inside the XRT error circle
  55. Konus-Wind observation of GRB 110625A
  56. Swift J185003.2-005627: NIR Observation
  57. Swift J185003.2-005627: Swift-XRT/UVOT refined analysis
  58. Swift J185003.2-005627: Swift-BAT refined analysis
  59. Swift J185003.2-005627: TAROT La Silla observatory optical observations
  60. Swift J185003.2-005627: TAROT Calern observatory optical observations
  61. Konus-Wind observation of GRB 110618A
  62. GRB 110604A: Suzaku WAM observation of the prompt emission
  63. GRB 110610A: Suzaku WAM observation of the prompt emission
  64. GRB 110610A: Fermi GBM detection
  65. Konus-Wind observation of GRB 110604A
  66. GRB 110530A: optical observations in Mondy observatory
  67. GRB 110529A: Suzaku WAM observation of the prompt emission
  68. GRB 110530A: NOT optical observations
  69. GRB110530A: MITSuME Okayama Optical Observation
  70. Konus-Wind observation of GRB 110529A
  71. LAT Observations of GRB110529A
  72. EVLA afterglow limits on the high z GRB090429B
  73. GRB 110520A - NOT optical observation
  74. GRB 110520A: MASTER-NET optical observations
  75. Konus-Wind observation of GRB 110518A
  76. IPN localization of bright GRB 110518A
  77. GRB 110503A optical observation
  78. GRB 110426A: Fermi GBM detection
  79. GRB 110503A: Jet Break seen from TLS
  80. GRB 110503A optical observations
  81. Konus-Wind observation of GRB 110503A
  82. GRB 110503A: R-band Detection
  83. GRB 110503A: Swift/UVOT Observations
  84. GRB 110503A: PAIRITEL NIR Detection
  85. GRB 110503A: redshift confirmation from TNG
  86. GRB 110503A: Redshift from 10.4m GTC
  87. GRB 110426A: Swift/XRT non-detection
  88. GRB 110428A : X-ray afterglow confirmation
  89. GRB 110428A: Suzaku WAM observation of the prompt emission
  90. Konus-Wind observation of GRB 110428A
  91. GRB 110428A: Fermi-LAT Detection
  92. GRB 110422A: Suzaku WAM observation of the prompt emission
  93. GRB110422A: MITSuME Ishigakijima Optical Observation
  94. Konus-Wind observation of GRB 110422A
  95. GRB 110422A: CQUEAN griz Observation
  96. GRB 110422A: TNG optical observations
  97. GRB 110422A: NOT optical observation
  98. GRB110420A: GROND detection of the Optical/NIR Afterglow Candidate
  99. GRB 110420B: Swift-XRT afterglow candidate retraction
  100. GRB 110420B: Fermi GBM observation

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