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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Wed 05 Sep 18 19:37:35 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201801631
SRC_RA:          270.9107d {+18h 03m 39s} (J2000),
                 271.2024d {+18h 04m 49s} (current),
                 270.1263d {+18h 00m 30s} (1950)
SRC_DEC:         -27.3316d {-27d 19' 53"} (J2000),
                 -27.3297d {-27d 19' 46"} (current),
                 -27.3341d {-27d 20' 02"} (1950)
DISCOVERY_DATE:  18335 TJD;   217 DOY;   18/08/05 (yy/mm/dd)
DISCOVERY_TIME:  70655 SOD {19:37:35.00} UT
LEAD_TIME:       41.042 [days]
MAX_DATE:        18376 TJD;   258 DOY;   18/09/15 (yy/mm/dd)
MAX_TIME:        74303 SOD {20:38:23.99} UT
MAX_UNCERT:      5.610 [days]
CUSP_WIDTH:      23.76 +/- 3.39 [days]
u0:              0.59 +/- 0.14 [RingUnits]
MAX_MAG:         19.1 mag (estimated)
BASE_MAG:        19.84 +/- 0.00 [mag]
AMPLIFICATION:   1.89 +/- 0.37 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1631.html
SUN_POSTN:       164.51d {+10h 58m 02s}   +6.60d {+06d 36' 15"}
SUN_DIST:        107.84 [deg]   Sun_angle= -7.1 [hr] (East of Sun)
MOON_POSTN:      110.21d {+07h 20m 51s}  +20.79d {+20d 47' 37"}
MOON_DIST:       161.48 [deg]
GAL_COORDS:        3.39, -2.62 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.81, -3.89 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.