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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 03 May 19 15:24:23 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900645
SRC_RA:          273.1272d {+18h 12m 31s} (J2000),
                 273.4279d {+18h 13m 43s} (current),
                 272.3462d {+18h 09m 23s} (1950)
SRC_DEC:         -26.7942d {-26d 47' 38"} (J2000),
                 -26.7881d {-26d 47' 16"} (current),
                 -26.8075d {-26d 48' 26"} (1950)
DISCOVERY_DATE:  18576 TJD;    93 DOY;   19/04/03 (yy/mm/dd)
DISCOVERY_TIME:  55463 SOD {15:24:23.00} UT
LEAD_TIME:       38.225 [days]
MAX_DATE:        18614 TJD;   131 DOY;   19/05/11 (yy/mm/dd)
MAX_TIME:        74908 SOD {20:48:28.80} UT
MAX_UNCERT:      3.400 [days]
CUSP_WIDTH:      18.48 +/- 2.30 [days]
u0:              0.45 +/- 0.14 [RingUnits]
MAX_MAG:         18.0 mag (estimated)
BASE_MAG:        18.93 +/- 0.00 [mag]
AMPLIFICATION:   2.35 +/- 0.63 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0645.html
SUN_POSTN:        40.47d {+02h 41m 52s}  +15.71d {+15d 42' 48"}
SUN_DIST:        129.77 [deg]   Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN:       27.28d {+01h 49m 07s}   +5.91d {+05d 54' 43"}
MOON_DIST:       113.92 [deg]
GAL_COORDS:        4.82, -4.09 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.80, -3.39 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.