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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 20 May 18 18:46:44 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800858
SRC_RA:          269.6607d {+17h 58m 39s} (J2000),
                 269.9517d {+17h 59m 48s} (current),
                 268.8659d {+17h 55m 28s} (1950)
SRC_DEC:         -28.9954d {-28d 59' 42"} (J2000),
                 -28.9957d {-28d 59' 44"} (current),
                 -28.9918d {-28d 59' 30"} (1950)
DISCOVERY_DATE:  18228 TJD;   110 DOY;   18/04/20 (yy/mm/dd)
DISCOVERY_TIME:  67604 SOD {18:46:44.00} UT
LEAD_TIME:       9.261 [days]
MAX_DATE:        18238 TJD;   120 DOY;   18/04/30 (yy/mm/dd)
MAX_TIME:        3715 SOD {01:01:55.20} UT
MAX_UNCERT:      0.030 [days]
CUSP_WIDTH:      10.84 +/- 0.07 [days]
u0:              0.28 +/- 0.01 [RingUnits]
MAX_MAG:         14.0 mag (estimated)
BASE_MAG:        15.40 +/- 0.00 [mag]
AMPLIFICATION:   3.56 +/- 0.17 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0858.html
SUN_POSTN:        57.51d {+03h 50m 03s}  +20.09d {+20d 05' 07"}
SUN_DIST:        149.29 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:      134.19d {+08h 56m 45s}  +17.45d {+17d 26' 57"}
MOON_DIST:       138.00 [deg]
GAL_COORDS:        1.40, -2.48 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.70, -5.56 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.