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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 20 Apr 18 12:30:26 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800647
SRC_RA:          268.1021d {+17h 52m 25s} (J2000),
                 268.3967d {+17h 53m 35s} (current),
                 267.2935d {+17h 49m 10s} (1950)
SRC_DEC:         -31.1414d {-31d 08' 28"} (J2000),
                 -31.1445d {-31d 08' 39"} (current),
                 -31.1302d {-31d 07' 48"} (1950)
DISCOVERY_DATE:  18197 TJD;    79 DOY;   18/03/20 (yy/mm/dd)
DISCOVERY_TIME:  45026 SOD {12:30:26.00} UT
LEAD_TIME:       39.073 [days]
MAX_DATE:        18236 TJD;   118 DOY;   18/04/28 (yy/mm/dd)
MAX_TIME:        51321 SOD {14:15:21.60} UT
MAX_UNCERT:      0.510 [days]
CUSP_WIDTH:      5.61 +/- 0.29 [days]
u0:              0.00 +/- 0.85 [RingUnits]
MAX_MAG:         8.8 mag (estimated)
BASE_MAG:        16.99 +/- 0.00 [mag]
AMPLIFICATION:   556.68 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0647.html
SUN_POSTN:        28.28d {+01h 53m 07s}  +11.61d {+11d 36' 20"}
SUN_DIST:        121.45 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:       88.74d {+05h 54m 57s}  +19.96d {+19d 57' 22"}
MOON_DIST:       168.81 [deg]
GAL_COORDS:      358.87, -2.39 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.36, -7.71 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.  
COMMENTS:        WARNING: Amax_error was 'nan'.