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').
7 results found.
- LIGO/Virgo/KAGRA S241109bn: ATLAS observations and discovery of the potential counterpart AT2024aawt
- LIGO/Virgo/KAGRA S241109bn: Upper limits from EP-WXT observations
- LIGO/Virgo/KAGRA S241109bn: Coverage and upper limits from MAXI/GSC observations
- LIGO/Virgo/KAGRA S241109bn: Updated Sky localization and EM Bright Classification
- LIGO/Virgo/KAGRA S241109bn: Upper limits from Fermi-GBM Observations
- LIGO/Virgo/KAGRA S241109bn: Global MASTER-Net observations report
- LIGO/Virgo/KAGRA S241109bn: Identification of a GW compact binary merger candidate