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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 23 Apr 12 20:06:50 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200518
SRC_RA:          264.6769d {+17h 38m 42s} (J2000),
                 264.8695d {+17h 39m 29s} (current),
                 263.8897d {+17h 35m 34s} (1950)
SRC_DEC:         -27.9181d {-27d 55' 04"} (J2000),
                 -27.9243d {-27d 55' 26"} (current),
                 -27.8904d {-27d 53' 24"} (1950)
DISCOVERY_DATE:  16009 TJD;    83 DOY;   12/03/23 (yy/mm/dd)
DISCOVERY_TIME:  72410 SOD {20:06:50.00} UT
LEAD_TIME:       28.441 [days]
MAX_DATE:        16038 TJD;   112 DOY;   12/04/21 (yy/mm/dd)
MAX_TIME:        24105 SOD {06:41:45.60} UT
MAX_UNCERT:      0.800 [days]
CUSP_WIDTH:      10.37 +/- 0.67 [days]
u0:              1.20 +/- 0.01 [RingUnits]
MAX_MAG:         16.9 mag (estimated)
BASE_MAG:        17.10 +/- 0.00 [mag]
AMPLIFICATION:   1.22 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0518.html
SUN_POSTN:        31.81d {+02h 07m 14s}  +12.87d {+12d 52' 17"}
SUN_DIST:        128.46 [deg]   Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN:       59.24d {+03h 56m 58s}  +20.75d {+20d 44' 52"}
MOON_DIST:       155.63 [deg]
GAL_COORDS:        0.06,  1.83 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.28, -4.57 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.