Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 36390

GW170817: VLA observations at ~5.5 yrs since merger
2024-05-04T17:30:15Z (14 days ago)
Avery Eddins <>
Web form
A. Eddins (TTU), A. Balasubramanian (TIFR), A. Corsi (TTU, JHU),  D. Yadav (IIT Kanpur), K. Hotokezaka (U. Tokyo), K.P. Mooley (IIT Kanpur, Caltech), D.A. Frail (NRAO), G. Hallinan (Caltech), D. Kaplan (UWM), D. Lazzati (OSU), E. Murphy (NRAO)

We observed the field of GW170817 with the Karl G. Jansky Very Large Array (VLA) in its B configuration via the program VLA/23A-139 (PI: Eddins). The observations were carried out in S-band (central frequency of 3 GHz) between April 2023 and May 2023 over 8 epochs. After calibration, flagging and concatenating the observations we imaged the field. We do not detect any emission in excess of 3x the local RMS noise in our image (rms ~1.6 uJy). Further observations are planned.
Looking for U.S. government information and services? Visit