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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 20 May 12 00:45:24 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200691
SRC_RA:          268.1408d {+17h 52m 34s} (J2000),
                 268.3380d {+17h 53m 21s} (current),
                 267.3394d {+17h 49m 21s} (1950)
SRC_DEC:         -30.0475d {-30d 02' 50"} (J2000),
                 -30.0496d {-30d 02' 58"} (current),
                 -30.0365d {-30d 02' 10"} (1950)
DISCOVERY_DATE:  16037 TJD;   111 DOY;   12/04/20 (yy/mm/dd)
DISCOVERY_TIME:  2724 SOD {00:45:24.00} UT
LEAD_TIME:       34.552 [days]
MAX_DATE:        16071 TJD;   145 DOY;   12/05/24 (yy/mm/dd)
MAX_TIME:        50457 SOD {14:00:57.59} UT
MAX_UNCERT:      1.420 [days]
CUSP_WIDTH:      9.22 +/- 0.86 [days]
u0:              0.76 +/- 0.08 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        19.36 +/- 0.00 [mag]
AMPLIFICATION:   1.58 +/- 0.11 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0691.html
SUN_POSTN:        57.21d {+03h 48m 51s}  +20.02d {+20d 01' 26"}
SUN_DIST:        150.19 [deg]   Sun_angle= 9.9 [hr] (West of Sun)
MOON_POSTN:       46.08d {+03h 04m 19s}  +18.89d {+18d 53' 11"}
MOON_DIST:       140.20 [deg]
GAL_COORDS:      359.82, -1.87 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.38, -6.62 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.