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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 16 Apr 19 19:57:18 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900515
SRC_RA:          268.8744d {+17h 55m 30s} (J2000),
                 269.1919d {+17h 56m 46s} (current),
                 268.0479d {+17h 52m 12s} (1950)
SRC_DEC:         -33.7507d {-33d 45' 02"} (J2000),
                 -33.7525d {-33d 45' 08"} (current),
                 -33.7432d {-33d 44' 35"} (1950)
DISCOVERY_DATE:  18558 TJD;    75 DOY;   19/03/16 (yy/mm/dd)
DISCOVERY_TIME:  71838 SOD {19:57:18.00} UT
LEAD_TIME:       35.045 [days]
MAX_DATE:        18593 TJD;   110 DOY;   19/04/20 (yy/mm/dd)
MAX_TIME:        75686 SOD {21:01:26.40} UT
MAX_UNCERT:      1.840 [days]
CUSP_WIDTH:      8.09 +/- 1.04 [days]
u0:              0.63 +/- 0.15 [RingUnits]
MAX_MAG:         18.0 mag (estimated)
BASE_MAG:        18.67 +/- 0.00 [mag]
AMPLIFICATION:   1.80 +/- 0.32 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0515.html
SUN_POSTN:        24.62d {+01h 38m 29s}  +10.24d {+10d 14' 14"}
SUN_DIST:        116.75 [deg]   Sun_angle= 7.7 [hr] (West of Sun)
MOON_POSTN:      173.22d {+11h 32m 53s}   +7.66d {+07d 39' 44"}
MOON_DIST:        99.19 [deg]
GAL_COORDS:      356.94, -4.27 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.05,-10.32 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.