TITLE: GCN CIRCULAR NUMBER: 19881 SUBJECT: GRB 160816A, the review of the sky area in plate archives DATE: 16/08/29 20:55:56 GMT FROM: Valentyna Golovnya at Main Astro Obs,Kyiv V.V. Golovnya, V.M. Andruk (Main Astro Obs., Kyiv) report: We have undertaken the review of the sky area in vicinity of GRB 160816A (Kennea J.A. et al., GCN 19806) on astronegatives, collected in Ukrainian NAS Main astronomical observatory plate archives (1976-1996). All the plates with the possible object appearance are digitized using Epson Expression 10000XL flatbed scanner and have been placed into Golosiiv Plate Archive database DBGPA with open access to them.         The list of plates is given in the table: YYYYMMDD/TimeUT --Plates--     Exp.    Bmag    Star USNO-A2 19 850822/212139 GUA040C000726  18.0    16.2    1200-18040986 19860712/234442 GUA040C000958  16.0    16.0    1200-18048101 19 860713/000658 GUA040C000959A 16.0    16.1    1200-18044684 19 860716/233422 GUA040C000967  16.0    16.6    1200-18046182 19 860716/235509 GUA040C000968A 16.0    16.6    1200-18046182 TimeUT – T start of the maximum exposure; Plates - The plates archive identifier of DWA (D/F=40/200,M=103"/mm) GUA040C, of the Ukrainian NAS Main Astro obs, Marsden's number - 83) the plate number (http://gua.db.ukr-vo.org). Exp.  - Duration of the maximum exposure (minutes). Bmag  - Limited B mag, derived in the 6 minutes area around        the location GRB 160816A given in P.A. Evans (P. Evans http://www.swift.ac.uk/xrt_positions/00020685/):        RA(J2000)= 21h 29m 38.71s, Dec(J2000)= +37d 07' 58.3" Star USNO-A2 - Comparison star.  The preview images of 5 areas together with the 6 min.of arc area from Aladin can be found in http://gua.db.ukr-vo.org/img/grb/160816A/index.html. The images with full resolution are available via e-mail on demand.