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').
22 results found.
- BepiColombo MGNS joins the IPN
- GRB 200716C: Kitab optical observations
- GRB 200716C: CAHA optical observation // Anomalous light curve behavior?
- GRB 200716C: CrAO, Terskol, Assy-Turgen optical observations
- GRB 200716C: FRAM-ORM afterglow detection
- Konus-Wind observation of GRB 200716C: correction to GCN 28147
- Konus-Wind observation of GRB 200716C
- GRB 200716C: VIRT optical detection.
- GRB 200716C: Insight-HXMT/HE detection
- GRB 200716C: CALET Gamma-Ray Burst Monitor detection
- GRB 200716C: Optical observations from HCT
- GRB 200716C: Swift-BAT refined analysis
- GRB 200716C: Fermi GBM detection
- GRB 200716C: AGILE/MCAL detection
- GRB 200716C: possible host galaxy from the SDSS
- GRB 200716C: Swift-XRT refined analysis correction
- GRB 200716C: Fermi-LAT detection
- GRB 200716C: Swift-XRT refined Analysis
- GRB 200716C: Enhanced Swift-XRT position
- GRB200716C: BOOTES-1 optical afterglow detection
- GRB 200716C: Swift detection of a burst with an optical counterpart
- GRB 200716C: Fermi GBM Final Real-time Localization