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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 09 Apr 18 19:54:00 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800550
SRC_RA:          271.9887d {+18h 07m 57s} (J2000),
                 272.2760d {+18h 09m 06s} (current),
                 271.1989d {+18h 04m 48s} (1950)
SRC_DEC:         -28.1991d {-28d 11' 56"} (J2000),
                 -28.1953d {-28d 11' 42"} (current),
                 -28.2068d {-28d 12' 24"} (1950)
DISCOVERY_DATE:  18186 TJD;    68 DOY;   18/03/09 (yy/mm/dd)
DISCOVERY_TIME:  71640 SOD {19:54:00.00} UT
LEAD_TIME:       47.959 [days]
MAX_DATE:        18234 TJD;   116 DOY;   18/04/26 (yy/mm/dd)
MAX_TIME:        68083 SOD {18:54:43.20} UT
MAX_UNCERT:      10.370 [days]
CUSP_WIDTH:      26.35 +/- 5.49 [days]
u0:              0.27 +/- 0.65 [RingUnits]
MAX_MAG:         17.8 mag (estimated)
BASE_MAG:        19.22 +/- 0.00 [mag]
AMPLIFICATION:   3.79 +/- 8.75 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0550.html
SUN_POSTN:        18.39d {+01h 13m 33s}   +7.79d {+07d 47' 10"}
SUN_DIST:        107.84 [deg]   Sun_angle= 7.1 [hr] (West of Sun)
MOON_POSTN:      308.59d {+20h 34m 22s}  -18.12d {-18d 06' 56"}
MOON_DIST:        34.73 [deg]
GAL_COORDS:        3.10, -3.87 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.76, -4.77 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.