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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 28 Jun 19 21:42:55 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900991
SRC_RA:          270.5747d {+18h 02m 18s} (J2000),
                 270.8885d {+18h 03m 33s} (current),
                 269.7662d {+17h 59m 04s} (1950)
SRC_DEC:         -31.1046d {-31d 06' 16"} (J2000),
                 -31.1032d {-31d 06' 11"} (current),
                 -31.1054d {-31d 06' 19"} (1950)
DISCOVERY_DATE:  18631 TJD;   148 DOY;   19/05/28 (yy/mm/dd)
DISCOVERY_TIME:  78175 SOD {21:42:55.00} UT
LEAD_TIME:       33.420 [days]
MAX_DATE:        18665 TJD;   182 DOY;   19/07/01 (yy/mm/dd)
MAX_TIME:        28080 SOD {07:48:00.00} UT
MAX_UNCERT:      0.820 [days]
CUSP_WIDTH:      14.74 +/- 0.85 [days]
u0:              0.37 +/- 0.03 [RingUnits]
MAX_MAG:         17.4 mag (estimated)
BASE_MAG:        18.54 +/- 0.00 [mag]
AMPLIFICATION:   2.81 +/- 0.23 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0991.html
SUN_POSTN:        97.52d {+06h 30m 06s}  +23.26d {+23d 15' 21"}
SUN_DIST:        170.19 [deg]   Sun_angle= -11.6 [hr] (East of Sun)
MOON_POSTN:       45.86d {+03h 03m 27s}  +12.50d {+12d 29' 55"}
MOON_DIST:       134.64 [deg]
GAL_COORDS:      359.95, -4.21 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.50, -7.67 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.