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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 20 Apr 18 18:45:09 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800659
SRC_RA:          264.6064d {+17h 38m 26s} (J2000),
                 264.8913d {+17h 39m 34s} (current),
                 263.8247d {+17h 35m 18s} (1950)
SRC_DEC:         -27.0288d {-27d 01' 43"} (J2000),
                 -27.0381d {-27d 02' 16"} (current),
                 -27.0007d {-27d 00' 02"} (1950)
DISCOVERY_DATE:  18197 TJD;    79 DOY;   18/03/20 (yy/mm/dd)
DISCOVERY_TIME:  67509 SOD {18:45:09.00} UT
LEAD_TIME:       31.999 [days]
MAX_DATE:        18229 TJD;   111 DOY;   18/04/21 (yy/mm/dd)
MAX_TIME:        67391 SOD {18:43:11.99} UT
MAX_UNCERT:      1.030 [days]
CUSP_WIDTH:      12.52 +/- 1.46 [days]
u0:              0.50 +/- 0.02 [RingUnits]
MAX_MAG:         19.3 mag (estimated)
BASE_MAG:        20.14 +/- 0.00 [mag]
AMPLIFICATION:   2.18 +/- 0.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0659.html
SUN_POSTN:        28.52d {+01h 54m 05s}  +11.69d {+11d 41' 40"}
SUN_DIST:        125.11 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:       92.68d {+06h 10m 44s}  +20.18d {+20d 11' 05"}
MOON_DIST:       170.11 [deg]
GAL_COORDS:        0.78,  2.36 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.19, -3.68 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.