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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 19 May 18 19:15:11 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800847
SRC_RA:          269.8644d {+17h 59m 27s} (J2000),
                 270.1539d {+18h 00m 37s} (current),
                 269.0735d {+17h 56m 18s} (1950)
SRC_DEC:         -28.3858d {-28d 23' 08"} (J2000),
                 -28.3858d {-28d 23' 08"} (current),
                 -28.3832d {-28d 22' 59"} (1950)
DISCOVERY_DATE:  18227 TJD;   109 DOY;   18/04/19 (yy/mm/dd)
DISCOVERY_TIME:  69311 SOD {19:15:11.00} UT
LEAD_TIME:       33.164 [days]
MAX_DATE:        18260 TJD;   142 DOY;   18/05/22 (yy/mm/dd)
MAX_TIME:        83462 SOD {23:11:02.40} UT
MAX_UNCERT:      0.800 [days]
CUSP_WIDTH:      8.20 +/- 0.72 [days]
u0:              0.51 +/- 0.08 [RingUnits]
MAX_MAG:         16.4 mag (estimated)
BASE_MAG:        17.20 +/- 0.00 [mag]
AMPLIFICATION:   2.12 +/- 0.28 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0847.html
SUN_POSTN:        56.53d {+03h 46m 08s}  +19.88d {+19d 52' 52"}
SUN_DIST:        148.28 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:      119.47d {+07h 57m 54s}  +19.58d {+19d 34' 52"}
MOON_DIST:       151.89 [deg]
GAL_COORDS:        2.02, -2.33 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.88, -4.95 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.