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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 23 May 19 19:54:44 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900771
SRC_RA:          265.3108d {+17h 41m 15s} (J2000),
                 265.6057d {+17h 42m 25s} (current),
                 264.5475d {+17h 38m 11s} (1950)
SRC_DEC:         -23.8852d {-23d 53' 06"} (J2000),
                 -23.8937d {-23d 53' 36"} (current),
                 -23.8606d {-23d 51' 37"} (1950)
DISCOVERY_DATE:  18596 TJD;   113 DOY;   19/04/23 (yy/mm/dd)
DISCOVERY_TIME:  71684 SOD {19:54:44.00} UT
LEAD_TIME:       31.079 [days]
MAX_DATE:        18627 TJD;   144 DOY;   19/05/24 (yy/mm/dd)
MAX_TIME:        78537 SOD {21:48:57.59} UT
MAX_UNCERT:      5.120 [days]
CUSP_WIDTH:      21.84 +/- 2.43 [days]
u0:              1.88 +/- 0.05 [RingUnits]
MAX_MAG:         16.6 mag (estimated)
BASE_MAG:        16.71 +/- 0.00 [mag]
AMPLIFICATION:   1.07 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0771.html
SUN_POSTN:        60.33d {+04h 01m 19s}  +20.64d {+20d 38' 21"}
SUN_DIST:        156.42 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      303.55d {+20h 14m 11s}  -21.08d {-21d 04' 55"}
MOON_DIST:        35.07 [deg]
GAL_COORDS:        3.79,  3.48 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.71, -0.52 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.