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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 16 Apr 19 19:57:26 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900519
SRC_RA:          273.5785d {+18h 14m 19s} (J2000),
                 273.8808d {+18h 15m 31s} (current),
                 272.7914d {+18h 11m 10s} (1950)
SRC_DEC:         -27.8018d {-27d 48' 05"} (J2000),
                 -27.7948d {-27d 47' 40"} (current),
                 -27.8173d {-27d 49' 01"} (1950)
DISCOVERY_DATE:  18558 TJD;    75 DOY;   19/03/16 (yy/mm/dd)
DISCOVERY_TIME:  71846 SOD {19:57:26.00} UT
LEAD_TIME:       38.859 [days]
MAX_DATE:        18597 TJD;   114 DOY;   19/04/24 (yy/mm/dd)
MAX_TIME:        59702 SOD {16:35:02.40} UT
MAX_UNCERT:      4.070 [days]
CUSP_WIDTH:      24.30 +/- 2.85 [days]
u0:              0.76 +/- 0.07 [RingUnits]
MAX_MAG:         17.6 mag (estimated)
BASE_MAG:        18.04 +/- 0.00 [mag]
AMPLIFICATION:   1.57 +/- 0.09 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0519.html
SUN_POSTN:        24.62d {+01h 38m 29s}  +10.24d {+10d 14' 14"}
SUN_DIST:        113.03 [deg]   Sun_angle= 7.4 [hr] (West of Sun)
MOON_POSTN:      173.22d {+11h 32m 54s}   +7.66d {+07d 39' 42"}
MOON_DIST:       102.96 [deg]
GAL_COORDS:        4.12, -4.92 [deg] galactic lon,lat of the burst
ECL_COORDS:      273.17, -4.40 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.