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.
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.
Advanced Search Examples (click to copy):
subject:"Swift"body:"GRB"submitter:"Judith Racusin"23724 results found.
- GRB 110709B : Suzaku WAM observation of the prompt emission
- GRB110715A: GROND Detection of the Optical/NIR Afterglow
- GRB 110715A: APEX detection of the submm counterpart
- Konus-Wind observation of GRB 110715A
- GRB 110715A: Swift-BAT refined analysis
- Swift J1822.3-1606: A Probable New SGR in Ground Analysis of BAT Data
- GRB 110715A: Swift detection of a bright burst with an optical counterpart
- GRB 110709B: Additional Gemini observations and deep limits on an optical afterglow
- Swift trigger 457076 is not a GRB
- Konus-Wind observation of GRB 110708B
- GRB 110709A: Suzaku WAM observation of the prompt emission
- Swift Trigger 457076: a possible GRB
- GRB 110709A: Konkoly observations
- GRB 110708A: Konkoly observations
- GRB 110709B BAT refined analysis
- GRB 110709B: burst detection from Swift-BAT slew data
- GRB110709A: MITSuME Ishigakijima Optical upper limits
- Konus-Wind observation of GRB 110709A
- GRB 110709B: correction to GCN 12135 (Konus-Wind peak flux)
- Konus-Wind observation of GRB 110709B
- GRB110709A: upper limits from CAHA 1.23m and OSN 1.5m
- GRB 110709A: Fermi GBM observation
- GRB 110709B: Preliminary Swift-BAT refined analysis
- GRB 110709B: GROND Detection of an Afterglow Candidate
- GRB 110709B: Gemini-South optical observations
- GRB 110709A: Swift-BAT refined analysis
- GRB 110709A : Xinglong TNT upper limit
- GRB 110709B: Swift detection of renewed activity at T+11 minutes.
- GRB 110709B: Swift detection of a burst
- GRB 110709A: MASTER-NET optical observations
- GRB 110709A: Swift detection of a burst
- GRB 110708A: Liverpool Telescope observations
- GRB 110708A: Lick observations
- GRB 110705A: Suzaku WAM observation of the prompt emission
- GRB 110625A, the review of the sky area in plate archives
- GRB 110708A: a long GRB detected by INTEGRAL
- Konus-Wind observation of GRB 110705A
- IPN triangulation of short hard GRB 110705A
- Swift trigger 456780 is not a burst
- Swift Trigger 456659 is probably not astrophysical
- Swift-BAT trigger 456532 is not astrophysical
- SGR 1E 1841-045: Swift-BAT refined analysis
- SGR 1E 1841-045: Swift detection of a soft gamma repeater burst
- GRB 110625A: Suzaku WAM observation of the prompt emission
- Swift J185003.2-005627: 1.23m CAHA and BOOTES-3 observations
- GRB 110625A: 1.23m CAHA I-band observations
- GRB 110625A: GROND detection of a source inside the XRT error circle
- Konus-Wind observation of GRB 110625A
- GRB 110625A: Swift-BAT refined analysis
- GRB 110625A: Swift detection of a burst
- Swift J185003.2-005627: Swift-BAT refined analysis
- Swift J185003.2-005627: TAROT La Silla observatory optical observations
- Swift J185003.2-005627: TAROT Calern observatory optical observations
- Swift J185003.2-005627: Swift detection of a burst from a new Galactic transient
- SGR 1E 1841-045: Swift-BAT refined analysis
- GRB 110618A: SMARTS optical observations
- SGR 1E 1841-045: Swift detection of a soft gamma repeater burst
- Konus-Wind observation of GRB 110618A
- IPN triangulation of GRB110618A (long duration, extremely intense)
- GRB 110604A: Suzaku WAM observation of the prompt emission
- GRB 110610A: Suzaku WAM observation of the prompt emission
- GRB 110610A: Swift-BAT refined analysis
- Swift detection of the X-ray afterglow of GRB 110604A
- GRB 110610A: MASTER-NET optical observations
- GRB 110610A: Swift detection of a burst
- Konus-Wind observation of GRB 110604A
- GRB 110604A Detection by IPN Spacecraft and Swift-BAT
- GRB 110529A: Suzaku WAM observation of the prompt emission
- GRB 110530A: optical observations at Mt. Terskol, second epoch
- GRB110530A: MITSuME Okayama Optical Observation
- GRB 110530A: optical observations at Mt. Terskol
- GRB 110530A: Swift-BAT refined analysis
- GRB 110530A: MITSuME Akeno Optical Observation
- GRB 110529A: Fermi GBM detection
- GRB 110530A: Swift detection of a burst with an optical afterglow
- Konus-Wind observation of GRB 110529A
- GRB 110521A: Swift-XRT refined analysis
- GRB 110521A: Swift-BAT refined analysis
- Swift/UVOT observations of GRB110520A
- GRB 110521A: Swift detection of a burst
- GRB 110520A: Swift-BAT refined analysis
- GRB 110520A: Swift-XRT refined Analysis
- GRB 110520A - NOT optical observation
- GRB 110520A: Skynet/DAO optical observations
- GRB 110520A: Liverpool Telescope Observations
- GRB 110520A: TAROT Calern observatory optical observations
- GRB 110520A: Swift detection of a burst
- Konus-Wind observation of GRB 110518A
- IPN localization of bright GRB 110518A
- GRB 110519A, Swift-BAT refined analysis
- GRB 110519A: Swift detection of a burst
- GRB 110426A: Fermi GBM detection
- GRB 110503A: TAROT Calern observatory optical observations
- GRB 110503A: Jet Break seen from TLS
- GRB 110503A optical observations
- Konus-Wind observation of GRB 110503A
- GRB 110422A: MASTER first 30 min OT light curve
- GRB 110503A: R-band Detection
- GRB 110503A: SARA-N Observations and Photometric Calibration
- GRB 110503A: Swift/UVOT Observations