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').
19 results found.
- LIGO/Virgo S190517h: AstroSat CZTI upper limits
- LIGO/Virgo S190517h: Gaia Photometric Alerts transient candidate
- LIGO/Virgo S190517h : No counterpart candidate in TAROT-GRANDMA observations.
- LIGO-Virgo S190519bj: AGILE GRID observations
- LIGO/Virgo S190517h: CALET Observations
- LIGO/Virgo S190517h: INTEGRAL prompt observation
- LIGO/Virgo S190517h: Fermi-LAT search for a high-energy gamma-ray counterpart
- LIGO/Virgo S190517h: Swift/BAT Counterpart Search
- LIGO/Virgo S190517h: ANTARES neutrino search
- LIGO/Virgo S190517h: Insight-HXMT/HE observations
- LIGO/Virgo S190517h: Fermi GBM Observations
- LIGO/Virgo S190517h: HAWC follow-up
- LIGO/Virgo S190517h: MAXI/GSC Observations
- LIGO/Virgo S190517h Global MASTER-Net observations report
- LIGO-Virgo S190517h: AGILE GRID observations
- LIGO/Virgo S190517h: IceCube Neutrino Search
- LIGO/Virgo S190517h: AGILE MCAL observations
- LIGO/Virgo S190517h: INTEGRAL/SPI-ACS prompt observation
- LIGO/Virgo S190517h: Identification of a GW compact binary merger candidate