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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 07 Sep 18 21:20:27 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201801644
SRC_RA:          269.5707d {+17h 58m 17s} (J2000),
                 269.8666d {+17h 59m 28s} (current),
                 268.7753d {+17h 55m 06s} (1950)
SRC_DEC:         -29.0913d {-29d 05' 28"} (J2000),
                 -29.0918d {-29d 05' 30"} (current),
                 -29.0873d {-29d 05' 13"} (1950)
DISCOVERY_DATE:  18337 TJD;   219 DOY;   18/08/07 (yy/mm/dd)
DISCOVERY_TIME:  76827 SOD {21:20:27.00} UT
LEAD_TIME:       27.442 [days]
MAX_DATE:        18365 TJD;   247 DOY;   18/09/04 (yy/mm/dd)
MAX_TIME:        28598 SOD {07:56:38.39} UT
MAX_UNCERT:      0.150 [days]
CUSP_WIDTH:      5.03 +/- 0.31 [days]
u0:              0.79 +/- 0.01 [RingUnits]
MAX_MAG:         18.5 mag (estimated)
BASE_MAG:        18.93 +/- 0.00 [mag]
AMPLIFICATION:   1.54 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1644.html
SUN_POSTN:       166.37d {+11h 05m 30s}   +5.83d {+05d 49' 51"}
SUN_DIST:        104.61 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:      142.20d {+09h 28m 47s}  +16.31d {+16d 18' 47"}
MOON_DIST:       130.47 [deg]
GAL_COORDS:        1.28, -2.46 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.62, -5.65 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.