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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Wed 23 May 18 20:07:39 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800878
SRC_RA:          268.5245d {+17h 54m 06s} (J2000),
                 268.8174d {+17h 55m 16s} (current),
                 267.7247d {+17h 50m 54s} (1950)
SRC_DEC:         -29.7847d {-29d 47' 04"} (J2000),
                 -29.7871d {-29d 47' 12"} (current),
                 -29.7756d {-29d 46' 31"} (1950)
DISCOVERY_DATE:  18231 TJD;   113 DOY;   18/04/23 (yy/mm/dd)
DISCOVERY_TIME:  72459 SOD {20:07:39.00} UT
LEAD_TIME:       36.184 [days]
MAX_DATE:        18268 TJD;   150 DOY;   18/05/30 (yy/mm/dd)
MAX_TIME:        1987 SOD {00:33:07.20} UT
MAX_UNCERT:      2.190 [days]
CUSP_WIDTH:      11.12 +/- 1.04 [days]
u0:              0.91 +/- 0.11 [RingUnits]
MAX_MAG:         17.9 mag (estimated)
BASE_MAG:        18.24 +/- 0.00 [mag]
AMPLIFICATION:   1.41 +/- 0.10 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0878.html
SUN_POSTN:        60.58d {+04h 02m 20s}  +20.69d {+20d 41' 11"}
SUN_DIST:        152.98 [deg]   Sun_angle= 10.1 [hr] (West of Sun)
MOON_POSTN:      175.91d {+11h 43m 38s}   +5.72d {+05d 43' 30"}
MOON_DIST:        95.36 [deg]
GAL_COORDS:        0.22, -2.02 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.71, -6.35 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.