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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 21 May 18 19:13:03 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800868
SRC_RA:          270.5420d {+18h 02m 10s} (J2000),
                 270.8310d {+18h 03m 19s} (current),
                 269.7527d {+17h 59m 01s} (1950)
SRC_DEC:         -28.1228d {-28d 07' 21"} (J2000),
                 -28.1216d {-28d 07' 17"} (current),
                 -28.1235d {-28d 07' 24"} (1950)
DISCOVERY_DATE:  18229 TJD;   111 DOY;   18/04/21 (yy/mm/dd)
DISCOVERY_TIME:  69183 SOD {19:13:03.00} UT
LEAD_TIME:       34.170 [days]
MAX_DATE:        18263 TJD;   145 DOY;   18/05/25 (yy/mm/dd)
MAX_TIME:        83894 SOD {23:18:14.39} UT
MAX_UNCERT:      2.180 [days]
CUSP_WIDTH:      8.18 +/- 1.10 [days]
u0:              1.15 +/- 0.10 [RingUnits]
MAX_MAG:         17.9 mag (estimated)
BASE_MAG:        18.17 +/- 0.00 [mag]
AMPLIFICATION:   1.24 +/- 0.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0868.html
SUN_POSTN:        58.53d {+03h 54m 08s}  +20.29d {+20d 17' 30"}
SUN_DIST:        149.62 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:      148.79d {+09h 55m 10s}  +14.21d {+14d 12' 26"}
MOON_DIST:       124.70 [deg]
GAL_COORDS:        2.54, -2.72 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.48, -4.68 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.