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.
- GRB 190202A: Terskol 2-m optical observations
- GRB 190202A: AstroSat CZTI detection
- GRB 190202A: Xinglong-2.16m optical observations
- GRB 190202A: SAO RAS further optical observations
- GRB 190202A: R and I band observation from HCT
- GRB 190202A: SAO RAS optical observations
- GRB 190202A: TSHAO optical observations
- GRB 190202A: NOT optical observations
- GRB 190202A: McDonald 0.8-m telescope optical observation
- GRB 190202A: Swift-XRT refined Analysis
- GRB 190202A: LCO-CTIO optical observations
- GRB 190202A: Fermi GBM observation
- GRB 190202A, Swift-BAT refined analysis
- GRB 190202A: AGILE ratemeters detection
- GRB 190202A: Swift/UVOT Detection
- GRB 190202A: GOTO optical observations
- GRB 190202A: Enhanced Swift-XRT position
- GRB 190202A: Koshka Zeiss-1000 optical observations
- GRB 190202A: Swift detection of a burst with an optical counterpart