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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 15 Apr 18 14:58:38 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800598
SRC_RA:          271.1317d {+18h 04m 32s} (J2000),
                 271.4199d {+18h 05m 41s} (current),
                 270.3402d {+18h 01m 22s} (1950)
SRC_DEC:         -28.4733d {-28d 28' 23"} (J2000),
                 -28.4710d {-28d 28' 15"} (current),
                 -28.4769d {-28d 28' 36"} (1950)
DISCOVERY_DATE:  18192 TJD;    74 DOY;   18/03/15 (yy/mm/dd)
DISCOVERY_TIME:  53918 SOD {14:58:38.00} UT
LEAD_TIME:       46.997 [days]
MAX_DATE:        18239 TJD;   121 DOY;   18/05/01 (yy/mm/dd)
MAX_TIME:        53654 SOD {14:54:14.39} UT
MAX_UNCERT:      5.030 [days]
CUSP_WIDTH:      13.29 +/- 1.52 [days]
u0:              1.12 +/- 0.29 [RingUnits]
MAX_MAG:         17.6 mag (estimated)
BASE_MAG:        17.88 +/- 0.00 [mag]
AMPLIFICATION:   1.26 +/- 0.15 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0598.html
SUN_POSTN:        23.73d {+01h 34m 55s}   +9.89d {+09d 53' 40"}
SUN_DIST:        114.24 [deg]   Sun_angle= 7.5 [hr] (West of Sun)
MOON_POSTN:       20.09d {+01h 20m 20s}   +3.50d {+03d 29' 55"}
MOON_DIST:       108.05 [deg]
GAL_COORDS:        2.49, -3.35 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.00, -5.04 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.