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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 19 Apr 18 07:43:10 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800631
SRC_RA:          264.0221d {+17h 36m 05s} (J2000),
                 264.3020d {+17h 37m 12s} (current),
                 263.2540d {+17h 33m 01s} (1950)
SRC_DEC:         -24.7677d {-24d 46' 03"} (J2000),
                 -24.7780d {-24d 46' 40"} (current),
                 -24.7368d {-24d 44' 12"} (1950)
DISCOVERY_DATE:  18196 TJD;    78 DOY;   18/03/19 (yy/mm/dd)
DISCOVERY_TIME:  27790 SOD {07:43:10.00} UT
LEAD_TIME:       32.711 [days]
MAX_DATE:        18229 TJD;   111 DOY;   18/04/21 (yy/mm/dd)
MAX_TIME:        2851 SOD {00:47:31.19} UT
MAX_UNCERT:      6.680 [days]
CUSP_WIDTH:      21.16 +/- 5.79 [days]
u0:              0.57 +/- 0.13 [RingUnits]
MAX_MAG:         19.3 mag (estimated)
BASE_MAG:        20.04 +/- 0.00 [mag]
AMPLIFICATION:   1.95 +/- 0.35 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0631.html
SUN_POSTN:        27.16d {+01h 48m 39s}  +11.19d {+11d 11' 35"}
SUN_DIST:        124.37 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:       70.80d {+04h 43m 12s}  +17.83d {+17d 49' 36"}
MOON_DIST:       165.64 [deg]
GAL_COORDS:        2.42,  4.01 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.57, -1.44 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.