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').
14 results found.
- LIGO/Virgo S190915ak: No significant candidates in TAROT-GRANDMA observations
- LIGO/Virgo S190915ak: Updated Sky Localization
- LIGO/Virgo S190915ak: No transient candidates in CALET observations
- LIGO/Virgo S190915ak: no counterpart candidates in the Swift/BAT observations
- LIGO/Virgo S190915ak: Upper limits from Fermi-GBM Observations
- LIGO/Virgo S190915ak: No counterpart candidates in Fermi-LAT observations
- LIGO/Virgo S190915ak: Coverage and upper limits from MAXI/GSC observations
- LIGO/Virgo S190915ak : no neutrino counterpart candidate in ANTARES search
- LIGO/Virgo S190915ak: Upper Limits from AGILE-GRID observations
- LIGO/Virgo S190915ak: No counterpart candidate in AGILE-MCAL observations
- LIGO/Virgo S190915ak: No counterpart candidates in INTEGRAL SPI-ACS prompt observation
- LIGO/Virgo S190915ak: Upper limits from IceCube neutrino searches
- LIGO/Virgo S190915ak: Identification of a GW compact binary merger candidate
- LIGO/Virgo S190915ak: Global MASTER-Net observations report