Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 31036

GCN Viewer Now Available
2021-11-03T15:06:46Z (3 years ago)
Judith Racusin at GSFC <>
Donggeun Tak (DESY), Meredith Gibb (GSFC/ADNET), Tom McGlynn (GSFC), Alan Smale

(GSFC), Tess Jaffe (GSFC), Scott Barthelmy (GSFC), Eric Burns (LSU), Brad Cenko (GSFC),
Victor Gonzales-Leon (GSFC), Ryan Lorek (GSFC/UMBC), Israel Martinez (GSFC/UMD),
Jeremy Perkins (GSFC), Judith Racusin (GSFC), Teresa Sheets (GSFC), Leo Singer (GSFC),
on behalf of the TACH Team.

The Time-domain Astronomy Coordination Hub (TACH) project is pleased to announce a
new community tool to access the archive of GCN Notices and Circulars.  The GCN Viewer
ingests new notices and circulars in real time, and associates events detected by multiple

facilities, providing useful categorization and searchability.  This first public release of the

GCN Viewer provides this functionality, and new features will be added with forthcoming


The GCN Viewer:

Please check out the GCN Viewer, and if you have suggestions, feedback, or bug reports,

please contact us via
Looking for U.S. government information and services? Visit