GCN Circulars Archive
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- The Latest Circulars
- Older Circulars
- Bursts of Special Interest
This is the archive of the GCN Observation Report Circulars.
To learn more about the GCN Circulars
and how to subscribe.
Please see the request for comments (RFC)
on the discussion of proper content for these Circulars (i.e. Are theory-content
Circulars to be allowed). [31 Jan 99]
Also see the addendum to the RFC. [04 Feb 99]
And see the Results of the RFC. [16 Feb 99]
(Listed in reverse serial number order -- newest first)
- 8896 VLA radio upper limit on GRB 090205
- 8895 GRB 090205: VLT optical decay
- 8894 Fermi Gamma-ray Burst Monitor trigger 255541748 cannot be classified
- 8893 GRB 090205: Swift/UVOT Upper Limits
- 8892 GRB 090205: VLT refined redshift
- 8891 GRB 090205: Swift-XRT refined analysis
- 8890 GRB 090205: Swift burst of interest
- 8889 GRB 090205: VLT spectroscopic redshift
- 8888 GRB 090205: GROND observations and photometric redshift estimate
- 8887 GRB 090205: VLT candidate afterglow
- 8886 GRB 090205: Swift-BAT refined analysis
- 8885 GRB 090205: Enhanced Swift-XRT position
- 8884 GRB 090205: Swift detection of a burst
- 8883 GRB 080319B: IceCube upper limit on high-energy neutrino flux
- 8882 GRB 090131: Suzaku WAM observation of the prompt emission
- 8881 ICSP VLF observation of the signatures of SGR/AXP 1E1547.0-5408 bursts
- 8880 GRB 090126A: Swift-XRT afterglow confirmation
- 8879 Fermi Gamma-ray Burst Monitor trigger 255342766 is not a GRB
- 8878 Konus-Wind observation of GRB 090201
- 8877 GRB 090202: Fermi GBM detection
- 8876 GRB 090131: Fermi GBM detection
- 8875 GRB 090201: Swift-XRT refined analysis
- 8874 GRB090201: Swift UVOT upper limits
- 8873 GRB 090201: object inside the enhanced XRT error circle
- 8872 GRB 090201: Enhanced Swift-XRT position
- 8871 GRB 090201: VLT NIR observations
- 8870 GRB 090201: Swift-BAT refined analysis
- 8869 GRB 090201: VLT afterglow candidate
- 8868 GRB 090201: Swift-XRT detection of the possible X-ray afterglow
- 8867 GRB090113: MAGIC telescope GeV observation
- 8866 GRB 090201: ROTSE-III Optical Limits
- 8865 GRB 090201: Swift detection of a burst
- 8864 GRB 090126A: Swift/UVOT Upper Limits
- 8863 Konus-Wind observation of bright burst from AXP/SGR 1E1547.0-5408 on January 29
- 8862 GRB 090129: Swift-BAT refined analysis
- 8861 GRB 090129: Swift detection of a burst
- 8860 IBAS Alert N. 5442 is not a GRB
- 8859 Suzaku ToO Observation of AXP 1E 1547.0-5408
- 8858 Konus-Wind observation of AXP/SGR 1E1547.0-5408 bursting activity
- 8857 AXP 1E1547.0-5408: RHESSI observations up to 400 keV
- 8856 GRB 090102: HST observations and host galaxy
- 8855 GRB 090126C: Fermi GBM detection
- 8854 GRB 090126A: Swift-XRT Refined Analysis
- 8853 GRB 090126B: Fermi GBM detection
- 8852 GRB 090126: SuperAGILE Localization of a Long GRB
- 8851 Konus-Wind detection of very bright SGR-like burst on January 25, 2009
- 8850 GRB 090118: no afterglow candidate
- 8849 GRB 090123: GROND detection
- 8848 1E1547.0-5408: Swift detection of dust halo
- 8847 GRB 090123: Swift XRT refined analysis
- 8846 GRB 090123: Swift/UVOT Observations
- 8845 AXP 1E1547.0-5408: Suzaku WAM detections of the current activity
- 8844 GRB 090123: Swift-BAT refined analysis
- 8843 GRB090123: Enhanced Swift-XRT position
- 8842 GRB 090123: Swift detection of a burst
- 8841 AXP 1E1547.0-5408: long bursts with INTEGRAL SPI-ACS
- 8840 GRB 090118: Swift XRT Observations - Confirmation of an Afterglow
- 8839 Swift-BAT trigger 340734 is not a GRB
- 8838 AXP 1E1547.0-5408: Fermi GBM detection of additional bursts
- 8837 AXP 1E1547.0-5408: INTEGRAL SPI-ACS confirms activity increase
- 8836 GRB 090117C: Suzaku WAM observation of the prompt emission
- 8835 AXP 1E1547.0-5408: Fermi GBM observations
- 8834 Trigger 340734: Swift detection of a possible short burst
- 8833 AXP 1E1547.0-5408 activity with SGR bursts
- 8832 GRB 090118: Subaru NIR Observation
- 8831 GRB 090118: KPNO 4m 2nd Epoch Observations
- 8830 GRB 090118 (BATSS): GRT Optical Observation
- 8829 GRB 090118: KPNO 4m Detection of Candidate Afterglow
- 8828 GRB 090118: Swift-XRT observations
- 8827 GRB090118 Swift/UVOT upper limits
- 8826 GRB 090118: GROND Upper Limits
- 8825 GRB 090118: Possible burst detection from Swift-BAT slew data
- 8824 GRB 090117B : Fermi GBM detection
- 8823 GRB 090117: confirmation of the X-ray afterglow
- 8822 GRB 090117C - Fermi GRB Detection
- 8821 GRB 090117 - Fermi GBM Observations
- 8820 GRB 090117: GROND Upper Limits
- 8819 GRB090117 Swift/UVOT upper limits
- 8818 GRB090117: Swift-XRT detection of a possible candidate afterglow
- 8817 GRB 090117 - SuperAGILE Localization of a long GRB
- 8816 GRB090102: MAGIC telescope GeV observation
- 8815 GRB 090112B: Suzaku WAM observation of the prompt emission
- 8814 GRB 090113: LOAO Detection Limits in R, I, z, Y-band
- 8813 GRB 090113: Swift UVOT upper limits
- 8812 GRB 090113: GROND Upper Limits
- 8811 GRB 090113: Swift-XRT refined analysis
- 8810 GRB 090113: Observations from NOT
- 8809 GRB 090113: Enhanced Swift-XRT position
- 8808 GRB 090113: Swift-BAT refined analysis
- 8807 GRB 090113: ROTSE-III Optical Limits
- 8806 GRB 090113: XRT position
- 8805 GRB 090112B: Fermi GBM Detection
- 8804 GRB 090113: Swift detection of a burst
- 8803 GRB 090112: Fermi GBM detection
- 8802 GRB 090109: Fermi GBM detection
- 8801 GRB 090108B: Fermi GBM detection
- 8800 GRB 090111, Swift-BAT refined analysis
Older Circulars
After a while the above table gets too large and then the older entries are
moved to the following tables.
Circulars 8700-8799 08-??-?? to 08-??-??
Circulars 8600-8699 08-??-?? to 08-??-??
Circulars 8500-8599 08-??-?? to 08-??-??
Circulars 8400-8499 08-??-?? to 08-??-??
Circulars 8300-8399 08-??-?? to 08-??-??
Circulars 8200-8299 08-??-?? to 08-??-??
Circulars 8100-8199 08-??-?? to 08-??-??
Circulars 8000-8099 08-??-?? to 08-??-??
Circulars 7900-7999 08-??-?? to 08-??-??
Circulars 7800-7899 08-06-?? to 08-??-??
Circulars 7700-7799 08-05-08 to 08-06-04
Circulars 7600-7699 08-04-13 to 08-05-08
Circulars 7500-7599 08-03-21 to 08-04-13
Circulars 7400-7499 08-03-10 to 08-03-21
Circulars 7300-7399 08-02-13 to 08-03-10
Circulars 7200-7299 08-01-21 to 08-02-13
Circulars 7100-7199 07-11-17 to 08-01-21
Circulars 7000-7099 07-10-25 to 07-11-17
Circulars 6900-6999 07-10-12 to 07-10-25
Circulars 6800-6899 07-09-19 to 07-10-12
Circulars 6700-6799 07-08-02 to 07-09-18
Circulars 6600-6699 07-07-05 to 07-08-02
Circulars 6500-6599 07-06-11 to 07-07-05
Circulars 6400-6499 07-05-09 to 07-06-11
Circulars 6300-6399 07-04-18 to 07-05-09
Circulars 6200-6299 07-03-12 to 07-04-18
Circulars 6100-6199 07-02-12 to 07-03-12
Circulars 6000-6099 07-01-07 to 07-02-12
Circulars 5900-5999 06-12-05 to 07-01-07
Circulars 5800-5899 06-11-10 to 06-12-05
Circulars 5700-5799 06-10-06 to 06-11-10
Circulars 5600-5699 06-09-23 to 06-10-06
Circulars 5500-5599 06-09-03 to 06-09-23
Circulars 5400-5499 06-08-05 to 06-09-03
Circulars 5300-5399 06-07-11 to 06-08-05
Circulars 5200-5299 06-06-10 to 06-07-11
Circulars 5100-5199 06-05-10 to 06-06-03
Circulars 5000-5099 06-04-24 to 06-05-10
Circulars 4900-4999 06-03-21 to 06-04-24
Circulars 4800-4899 06-02-20 to 06-03-21
Circulars 4700-4799 06-02-06 to 06-02-20
Circulars 4600-4699 06-01-25 to 06-02-06
Circulars 4500-4599 06-01-13 to 06-01-25
Circulars 4400-4499 05-12-27 to 06-01-13
Circulars 4300-4399 05-11-22 to 05-12-27
Circulars 4200-4299 05-11-06 to 05-11-22
Circulars 4100-4199 05-10-16 to 05-11-06
Circulars 4000-4099 05-09-19 to 05-10-16
Circulars 3900-3999 05-08-28 to 05-09-18
Circulars 3800-3899 05-08-14 to 05-08-28
Circulars 3700-3799 05-07-29 to 05-08-14
Circulars 3600-3699 05-07-13 to 05-07-29
Circulars 3500-3599 05-05-28 to 05-07-13
Circulars 3400-3499 05-05-10 to 05-05-28
Circulars 3300-3399 05-04-21 to 05-05-10
Circulars 3200-3299 05-04-09 to 05-04-21
Circulars 3100-3199 05-03-16 to 05-04-09
Circulars 3000-3099 05-01-30 to 05-03-16
Circulars 2900-2999 04-12-23 to 05-01-28
Circulars 2800-2899 04-10-13 to 04-12-23
Circulars 2700-2799 04-09-09 to 04-10-13
Circulars 2600-2699 04-05-14 to 04-09-09
Circulars 2500-2599 03-12-22 to 04-05-14
Circulars 2400-2499 03-09-25 to 03-12-21
Circulars 2300-2399 03-07-15 to 03-09-24
Circulars 2200-2299 03-05-03 to 03-07-15
Circulars 2100-2199 03-04-05 to 03-05-03
Circulars 2000-2099 03-03-27 to 03-04-05
Circulars 1900-1999 03-02-27 to 03-03-29
Circulars 1800-1899 03-01-11 to 03-02-27
Circulars 1700-1799 02-11-20 to 03-01-11
Circulars 1600-1699 02-10-07 to 02-11-19
Circulars 1500-1599 02-08-16 to 02-10-07
Circulars 1400-1499 02-05-31 to 02-08-16
Circulars 1300-1399 02-03-22 to 02-05-31
Circulars 1200-1299 01-12-13 to 02-03-12
Circulars 1100-1199 01-09-22 to 01-12-13
Circulars 1000-1099 01-03-02 to 01-09-22
Circulars 900-999 00-12-14 to 01-03-01
Circulars 800-899 00-09-27 to 00-12-14
Circulars 700-799 00-06-13 to 00-09-27
Circulars 600-699 00-03-08 to 00-06-13
Circulars 500-599 99-12-16 to 00-03-08
Circulars 400-499 99-08-10 to 99-12-16
Circulars 300-399 99-05-08 to 99-08-10
Circulars 199-299 99-01-23 to 99-05-07
Circulars 100-198 98-06-13 to 99-01-22
Circulars neg4-099 97-02-?? to 98-06-13
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This file was last modified by a human on 03-Feb-09.