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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 24 May 19 19:51:07 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900777
SRC_RA:          270.4856d {+18h 01m 57s} (J2000),
                 270.7943d {+18h 03m 11s} (current),
                 269.6865d {+17h 58m 45s} (1950)
SRC_DEC:         -29.6653d {-29d 39' 54"} (J2000),
                 -29.6641d {-29d 39' 50"} (current),
                 -29.6657d {-29d 39' 56"} (1950)
DISCOVERY_DATE:  18597 TJD;   114 DOY;   19/04/24 (yy/mm/dd)
DISCOVERY_TIME:  71467 SOD {19:51:07.00} UT
LEAD_TIME:       28.396 [days]
MAX_DATE:        18626 TJD;   143 DOY;   19/05/23 (yy/mm/dd)
MAX_TIME:        19267 SOD {05:21:07.20} UT
MAX_UNCERT:      0.020 [days]
CUSP_WIDTH:      1.72 +/- 0.23 [days]
u0:              0.36 +/- 0.02 [RingUnits]
MAX_MAG:         18.4 mag (estimated)
BASE_MAG:        19.54 +/- 0.00 [mag]
AMPLIFICATION:   2.89 +/- 0.18 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0777.html
SUN_POSTN:        61.34d {+04h 05m 21s}  +20.82d {+20d 49' 30"}
SUN_DIST:        152.02 [deg]   Sun_angle= 10.0 [hr] (West of Sun)
MOON_POSTN:      316.13d {+21h 04m 30s}  -19.01d {-19d 00' 46"}
MOON_DIST:        42.37 [deg]
GAL_COORDS:        1.17, -3.44 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.42, -6.23 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.