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').
8 results found.
- GRB 120302A: Swift XRT refined analysis
- GRB 120302A: RTT150 optical observations
- GRB 120302A, the review of the sky area in plate archives
- GRB 120302A: Fermi GBM Observation
- GRB 120302A: Swift-BAT refined position and a possible XRT and UVOT counterpart
- GRB 120302A: GROND detection of an afterglow candidate
- GRB 120302A, Swift-BAT refined analysis
- GRB 120302A found in ground analysis of BAT data