GCN Circulars
GCN Circulars are rapid astronomical bulletins submitted by and distributed to community members worldwide. They are used to share discoveries, observations, quantitative near-term predictions, requests for follow-up observations, or future observing plans related to high-energy, multi-messenger, and variable or transient astrophysical events. 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').
To navigate to a specific circular, enter the associated Circular ID (e.g. 'gcn123', 'Circular 123', or '123').
19 results found.
- IceCube-200806A: No counterpart candidates in INTEGRAL SPI-ACS and IBIS prompt observation
- IceCube200806A: No significant detection in HAWC
- GRB 200806A: CALET Gamma-Ray Burst Monitor detection
- GRB 200806A: Nanshan/NEXT optical upper limit
- GRB 200806A: CAHA optical afterglow confirmation
- IceCube-200806A: Upper limits from a search for additional neutrino events in IceCube
- GRB 200806A: VIRT optical observations
- GRB 200806A: Swift-BAT refined analysis
- GRB 200806A: Swift/UVOT Possible Detection
- GRB 200806A: Swift-XRT refined Analysis
- Fermi-LAT Gamma-ray Observations of IceCube-200806A
- GRB 200806A: AbAO optical upper limit
- GRB 200806A: AstroSat CZTI detection
- GRB 200806A: MITSuME Akeno optical upper limits
- GRB 200806A: Enhanced Swift-XRT position
- IceCube-200806A: Upper limits from Fermi-GBM Observations
- Swift GRB 200806A: Global MASTER-Net observations report
- GRB 200806A: Swift detection of a burst
- IceCube-200806A: IceCube observation of a high-energy neutrino candidate event