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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 02 May 19 13:21:42 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900623
SRC_RA:          271.3854d {+18h 05m 32s} (J2000),
                 271.6947d {+18h 06m 47s} (current),
                 270.5822d {+18h 02m 20s} (1950)
SRC_DEC:         -30.3000d {-30d 18' 00"} (J2000),
                 -30.2971d {-30d 17' 49"} (current),
                 -30.3048d {-30d 18' 16"} (1950)
DISCOVERY_DATE:  18575 TJD;    92 DOY;   19/04/02 (yy/mm/dd)
DISCOVERY_TIME:  48101 SOD {13:21:41.00} UT
LEAD_TIME:       32.131 [days]
MAX_DATE:        18607 TJD;   124 DOY;   19/05/04 (yy/mm/dd)
MAX_TIME:        59443 SOD {16:30:43.20} UT
MAX_UNCERT:      1.110 [days]
CUSP_WIDTH:      22.06 +/- 1.42 [days]
u0:              0.40 +/- 0.01 [RingUnits]
MAX_MAG:         17.7 mag (estimated)
BASE_MAG:        18.72 +/- 0.00 [mag]
AMPLIFICATION:   2.64 +/- 0.11 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0623.html
SUN_POSTN:        39.42d {+02h 37m 42s}  +15.39d {+15d 23' 32"}
SUN_DIST:        130.04 [deg]   Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN:       14.62d {+00h 58m 28s}   +0.86d {+00d 51' 35"}
MOON_DIST:       101.57 [deg]
GAL_COORDS:        1.00, -4.43 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.20, -6.87 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.