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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Wed 12 Sep 18 19:46:46 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201801688
SRC_RA:          261.6682d {+17h 26m 40s} (J2000),
                 261.9638d {+17h 27m 51s} (current),
                 260.8747d {+17h 23m 30s} (1950)
SRC_DEC:         -29.0843d {-29d 05' 02"} (J2000),
                 -29.0991d {-29d 05' 56"} (current),
                 -29.0421d {-29d 02' 30"} (1950)
DISCOVERY_DATE:  18342 TJD;   224 DOY;   18/08/12 (yy/mm/dd)
DISCOVERY_TIME:  71206 SOD {19:46:46.00} UT
LEAD_TIME:       41.720 [days]
MAX_DATE:        18384 TJD;   266 DOY;   18/09/23 (yy/mm/dd)
MAX_TIME:        47001 SOD {13:03:21.60} UT
MAX_UNCERT:      4.710 [days]
CUSP_WIDTH:      37.54 +/- 3.99 [days]
u0:              0.40 +/- 0.08 [RingUnits]
MAX_MAG:         18.2 mag (estimated)
BASE_MAG:        19.24 +/- 0.00 [mag]
AMPLIFICATION:   2.60 +/- 0.47 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1688.html
SUN_POSTN:       170.81d {+11h 23m 14s}   +3.96d {+03d 57' 41"}
SUN_DIST:         92.94 [deg]   Sun_angle= -6.1 [hr] (East of Sun)
MOON_POSTN:      210.54d {+14h 02m 10s}   -6.99d {-06d 59' 20"}
MOON_DIST:        53.13 [deg]
GAL_COORDS:      357.64,  3.41 [deg] galactic lon,lat of the burst
ECL_COORDS:      262.69, -5.86 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.