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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_MC161217_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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subject:"Swift"
body:"GRB"
submitter:"Judith Racusin"

10959 results found.

  1. GRB030328: optical photometry at the TNG
  2. GRB030328 (=H2650): A Long, Bright GRB Localized by the HETE WXM and SXC
  3. Re: GRB 030328: Finding chart
  4. GRB030324, optical observations
  5. GRB030323: Upper limits from recent and historical observations.
  6. GRB030323 (=H2640): A Faint, Long GRB Localized by the HETE WXM and SXC
  7. GRB030324 (=H2641): A Long GRB Localized in Real Time by the HETE WXM
  8. GRB030324 (=H2641): A Long GRB Localized in Real Time by the HETE WXM
  9. GRB 030324, optical observations
  10. IPN triangulation of GRB030320B (annulus)
  11. GRB030226, addendum to GCN 1892
  12. IPN upper limit to a GRB associated with SN2003L
  13. IPN triangulation of GRB030317 (annulus)
  14. IPN triangulation of GRB030307 (annulus)
  15. GRB030226: Optical observations at Asiago
  16. GRB 030227: Optical observations
  17. IPN triangulation of GRB030301 (annulus)
  18. 030302: NOT A GRB
  19. 030228: NOT A GRB
  20. GRB 030226: R band polarimetric observations
  21. GRB 20030226: Upper limits from recent and historical observations
  22. GRB030227 - faint tentative OT candidate
  23. XMM-Newton observation of GRB030227
  24. GRB030226: ESI spectroscopy
  25. GRB030226 (=U10893): A Long GRB Localized by the HETE WXM and SXC
  26. GRB030226: optical observations and refined redshift
  27. GRB 030226 Optical Spectra and R,I,z' Imaging
  28. GRB030226: Candidate optical afterglow
  29. IPN triangulation of GRB030220 (annulus)
  30. IPN triangulation of GRB030217 (small error box)
  31. IPN triangulation of GRB030215C (annulus)
  32. IPN triangulation of GRB030217 (annulus)
  33. IPN triangulation of GRB030215A and GRB030215B (annuli)
  34. IPN triangulation of GRB030204 (small error box)
  35. IPN triangulation of GRB030127 (annulus)
  36. GRB 030115: Further IR observations with IRSF/SIRIUS
  37. GRB 030115: IR observations with IRSF/SIRIUS
  38. GRB030115: R-band counterpart of IR candidate
  39. GRB 021211: R-band observations at late-time
  40. IPN triangulation of GRB030115B (small error box)
  41. GRB030115 (=H2533): A Long GRB Localized by the HETE WXM and SXC
  42. IPN triangulation of GRB030115B (annulus)
  43. GRB030115: R-band observations at Asiago
  44. IPN triangulation of GRB030101 (two large error boxes)
  45. Probable GRB in INTEGRAL SPI-ACS
  46. GRB021219, optical observations
  47. IPN triangulation of GRB021214 (annulus)
  48. GRB 021211, optical observations
  49. GRB 021211, optical observations
  50. GRB021211 - Upper limits from recent and historical observations
  51. GRB021211 (=H2493): A Bright, Long GRB Localized by HETE-2 in Near-Real Time
  52. HETE 2493: Optical observations
  53. IPN triangulation of GRB021201 (short/hard burst, small error box)
  54. GRB021125 refined position
  55. IPN triangulation of GRB021125B (two large error boxes)
  56. GRB021113, SPI ACS observation
  57. GRB021113: optical observations at Bisei
  58. GRB021112: Optical Observations
  59. IPN triangulation of GRB021113 (=H2449; annulus)
  60. GRB021113 (=H2449): A Long GRB Localized by HETE
  61. GRB021112 (=H2448): A Long GRB Localized by HETE
  62. IPN triangulation of GRB021104 (annulus)
  63. GRB021104(=H2434): A Long, X-Ray-Rich GRB Localized by HETE
  64. IPN triangulation of bursts from SGR1900+14, November 1-2, 2002
  65. GRB021104: Candidate present in DSS
  66. IPN triangulation of GRB021025 (portion of annulus)
  67. IPN triangulation of GRB021025 (annulus)
  68. IPN triangulation of GRB021023 (small error boc)
  69. IPN triangulation of GRB021020 (smaller error box)
  70. GRB021021(=XRF 021021): An X-ray Flash Localized by HETE
  71. IPN triangulation of GRB021020
  72. GRB 021004: VRI observations at TNG: possible break
  73. GRB021016(=H2397): A Long GRB Localized by HETE
  74. IPN triangulation of GRB021016 (small error box)
  75. IPN triangulation of GRB021014 (large error box)
  76. GRB021004: High-resolution optical spectroscopy
  77. GRB 021004: Optical/NIR Observations
  78. GRB 021004: Additional V-band Polarimetric Observations
  79. GRB021004: optical observation
  80. GRB 021004: WC wind?
  81. IPN triangulation of GRB021007 (annulus)
  82. XRF 020903 spectrum
  83. GRB021004: optical observations and predicted break time
  84. GRB021004: restart of optical decay
  85. GRB 021004: Optical Decay
  86. HETE fluences for GRB021004
  87. GRB 021004: V-band Polarimetric Observations
  88. GRB021004: Update Bisei photometric data
  89. GRB 021004: Optical Decay
  90. GRB021004, Optical Observations
  91. GRB021004: Upper limits from recent and historical observations
  92. GRB021004(=H2380): Revised Localization with HETE Soft X-ray
  93. GRB021004(=H2380): A Long GRB Localized by HETE in Near-Real Time
  94. XRF020903: TNG and Asiago photometry
  95. XRF 020903: Correction to GCN 1560
  96. XRF 020903: VRI observations
  97. XRF 020903: Supernova
  98. Single IPN error box for GRB020904
  99. IPN triangulation of GRB020904
  100. GRB020903(=H2314): An X-Ray Flash Localized by HETE

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