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.
To navigate to a specific circular, enter the associated Circular ID (e.g. 'gcn123', 'Circular 123', or '123').
15 results found.
- GRB 171027A: KAIT Optical Upper Limit
- Konus-Wind observation of GRB 171027A
- GRB 171027A, Swift-BAT refined analysis
- GRB 171027A: Swift/UVOT Upper Limits
- GRB 171027A: Swift-XRT refined Analysis
- GRB 171027A: Enhanced Swift-XRT position
- GRB 171027A: RATIR Confirmation of Fading and Photo-z
- GRB 171027A: VLT optical upper limits
- GRB 171027A: LCO 1-m telescope observations
- GROND observations of GRB 171027A: correction
- GRB 171027A: RATIR Detection of a NIR Afterglow Candidate
- GROND observations of GRB 171027A
- GRB 171027A: MASTER-OAFA (Argentina) early prompt optical observations
- GRB 171027A: Prompt enhanced Swift-XRT position
- GRB 171027A: Swift detection of a burst