GCN Circular 12306
Subject
GRB 110820A, the review of the sky area in plate archives
Event
Date
2011-08-26T16:36:37Z (14 years ago)
From
Valentyna Golovnya at Main Astro Obs,Kyiv <golov_v@ukr.ne>
V.V. Golovnya (Main Astro Obs, Kyiv)
report:
We have undertaken the review of the sky area in vicinity of
GRB 110820A (Beardmore GCN Circ.12091) on astronegatives,
collected in Ukrainian NAS Main astronomical observatory
plate archive (1976-1996). All the plates with the possible
object appearance are digitized using Microtek ScanMaker
9800XL TMA and Epson Expression 10000XL flatbed scanners 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. LimMag Star USNOA2
19830903.220221 GUA040C000207 16.0 15.75 1575-05316204
19841020.183916 GUA040C000521A 16.0 15.75 1575-05316204
Plates: the plate's identifier in GUA040C archive of DWA
(D/F=400/2000, M=103"/mm) of the Ukrainian NAS Main
Astro obs in Kyiv (Marsden's number - 83)[1].
Exp. - Duration of the maximum exposure (minutes).
LimMag - Limited V mag, derived in the 15 minutes area around
the location given in Beardmore et al. GCN Circ.12091:
RA(J2000): 22h 52m 46.14s, Dec(J2000): +70d 17' 54.5"
Star USNOA2 - Comparison star.
The preview images of 2 areas together with
the 15x15 min.of arc area from SkyMap can be found in
http://gua.db.ukr-vo.org/img/grb/110820A/index.html
The images with full resolution are available via e-mail on
demand.
References:
1.L.Pakuliak DATABASE of GOLOSIIV PLATE ARCHIVE (DBGPA V2.0),
http://gua.db.ukr-vo.org