TITLE: GCN CIRCULAR NUMBER: 24477 SUBJECT: LIGO/Virgo S190510g: Unconfirmed OT in PGC 094244 DATE: 19/05/11 10:08:27 GMT FROM: Michael A Tucker at Inst. for Astronomy, UH Manoa M. A. Tucker, A. Do, A. V. Payne, M. E. Huber, B. J. Shappee (UH Manoa, Institute for Astronomy): Following the discovery of an optical transient in PGC 094244 (GCN 24470, Lipunov et al.), we obtained follow up V-band imaging with the SuperNova Integral Field Spectrograph (SNIFS) on the University of Hawai'i 88-inch (UH88) telescope. The transient is undetected in 2 images to a limiting magnitude of V ~ 22, calibrated to PanSTARRS sources using the photometric transformations of Tonry et al. (2012, ApJ). Date Obs (UT) | Expt. (s) | mlim ------------------------------------------------------------- 2019-05-11T07:09:45 | 180 | ~21.5 2019-05-11T07:14:23 | 300 | ~22 -------------------------------------------------------------