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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 03 May 19 15:24:17 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900642
SRC_RA:          270.8708d {+18h 03m 29s} (J2000),
                 271.1757d {+18h 04m 42s} (current),
                 270.0791d {+18h 00m 19s} (1950)
SRC_DEC:         -28.5013d {-28d 30' 04"} (J2000),
                 -28.4994d {-28d 29' 57"} (current),
                 -28.5036d {-28d 30' 12"} (1950)
DISCOVERY_DATE:  18576 TJD;    93 DOY;   19/04/03 (yy/mm/dd)
DISCOVERY_TIME:  55457 SOD {15:24:17.00} UT
LEAD_TIME:       28.451 [days]
MAX_DATE:        18605 TJD;   122 DOY;   19/05/02 (yy/mm/dd)
MAX_TIME:        8035 SOD {02:13:55.19} UT
MAX_UNCERT:      0.870 [days]
CUSP_WIDTH:      7.20 +/- 0.81 [days]
u0:              1.29 +/- 0.02 [RingUnits]
MAX_MAG:         18.5 mag (estimated)
BASE_MAG:        18.66 +/- 0.00 [mag]
AMPLIFICATION:   1.19 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0642.html
SUN_POSTN:        40.47d {+02h 41m 52s}  +15.71d {+15d 42' 48"}
SUN_DIST:        131.68 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:       27.28d {+01h 49m 07s}   +5.91d {+05d 54' 41"}
MOON_DIST:       115.71 [deg]
GAL_COORDS:        2.36, -3.16 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.77, -5.06 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.