//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 20 Apr 18 12:30:24 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800646
SRC_RA:          270.6017d {+18h 02m 24s} (J2000),
                 270.8949d {+18h 03m 35s} (current),
                 269.7970d {+17h 59m 11s} (1950)
SRC_DEC:         -30.5276d {-30d 31' 38"} (J2000),
                 -30.5263d {-30d 31' 34"} (current),
                 -30.5286d {-30d 31' 42"} (1950)
DISCOVERY_DATE:  18197 TJD;    79 DOY;   18/03/20 (yy/mm/dd)
DISCOVERY_TIME:  45024 SOD {12:30:24.00} UT
LEAD_TIME:       37.869 [days]
MAX_DATE:        18235 TJD;   117 DOY;   18/04/27 (yy/mm/dd)
MAX_TIME:        33696 SOD {09:21:36.00} UT
MAX_UNCERT:      6.940 [days]
CUSP_WIDTH:      12.36 +/- 3.24 [days]
u0:              0.81 +/- 0.36 [RingUnits]
MAX_MAG:         18.1 mag (estimated)
BASE_MAG:        18.60 +/- 0.00 [mag]
AMPLIFICATION:   1.51 +/- 0.43 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0646.html
SUN_POSTN:        28.28d {+01h 53m 07s}  +11.61d {+11d 36' 20"}
SUN_DIST:        119.36 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:       88.74d {+05h 54m 57s}  +19.96d {+19d 57' 21"}
MOON_DIST:       169.25 [deg]
GAL_COORDS:        0.47, -3.95 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.52, -7.09 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.