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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 21 Apr 18 21:18:51 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800666
SRC_RA:          268.6271d {+17h 54m 31s} (J2000),
                 268.9184d {+17h 55m 40s} (current),
                 267.8279d {+17h 51m 19s} (1950)
SRC_DEC:         -29.6913d {-29d 41' 28"} (J2000),
                 -29.6935d {-29d 41' 36"} (current),
                 -29.6827d {-29d 40' 57"} (1950)
DISCOVERY_DATE:  18198 TJD;    80 DOY;   18/03/21 (yy/mm/dd)
DISCOVERY_TIME:  76731 SOD {21:18:51.00} UT
LEAD_TIME:       88.752 [days]
MAX_DATE:        18287 TJD;   169 DOY;   18/06/18 (yy/mm/dd)
MAX_TIME:        55296 SOD {15:21:36.00} UT
MAX_UNCERT:      9.240 [days]
CUSP_WIDTH:      41.54 +/- 2.57 [days]
u0:              1.40 +/- 0.15 [RingUnits]
MAX_MAG:         16.1 mag (estimated)
BASE_MAG:        16.23 +/- 0.00 [mag]
AMPLIFICATION:   1.15 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0666.html
SUN_POSTN:        29.56d {+01h 58m 14s}  +12.07d {+12d 04' 12"}
SUN_DIST:        122.45 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:      109.50d {+07h 17m 59s}  +20.18d {+20d 10' 40"}
MOON_DIST:       159.10 [deg]
GAL_COORDS:        0.35, -2.05 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.80, -6.26 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.