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').
11 results found.
- GRB 200819A: Swift/UVOT Upper Limits
- GRB 200819A: Swift-BAT refined analysis
- GRB 200819A: Optical Observations from HCT
- GRB 200819A: Swift-XRT refined Analysis
- GRB 200819A: MITSuME Ishigaki optical upper limits
- GRB 200819A: MITSuME Akeno optical upper limits
- GRB 200819A / Swift J0125.7+6303: Ondrejov Perek-2m optical limit
- GRB 200819A: Kitab, TSHAO optical upper limit
- GRB 200819A: Enhanced Swift-XRT position
- Swift GRB 200819A: Global MASTER-Net observations report
- GRB 200819A: Swift detection of a burst