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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 07 Sep 18 21:20:21 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201801641
SRC_RA:          269.3230d {+17h 57m 18s} (J2000),
                 269.6177d {+17h 58m 28s} (current),
                 268.5310d {+17h 54m 07s} (1950)
SRC_DEC:         -28.5520d {-28d 33' 06"} (J2000),
                 -28.5530d {-28d 33' 10"} (current),
                 -28.5468d {-28d 32' 47"} (1950)
DISCOVERY_DATE:  18337 TJD;   219 DOY;   18/08/07 (yy/mm/dd)
DISCOVERY_TIME:  76821 SOD {21:20:21.00} UT
LEAD_TIME:       57.918 [days]
MAX_DATE:        18395 TJD;   277 DOY;   18/10/04 (yy/mm/dd)
MAX_TIME:        69724 SOD {19:22:04.80} UT
MAX_UNCERT:      9.790 [days]
CUSP_WIDTH:      139.76 +/- 7.65 [days]
u0:              0.83 +/- 0.02 [RingUnits]
MAX_MAG:         19.2 mag (estimated)
BASE_MAG:        19.65 +/- 0.00 [mag]
AMPLIFICATION:   1.49 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1641.html
SUN_POSTN:       166.37d {+11h 05m 30s}   +5.83d {+05d 49' 51"}
SUN_DIST:        104.40 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:      142.20d {+09h 28m 47s}  +16.31d {+16d 18' 48"}
MOON_DIST:       130.28 [deg]
GAL_COORDS:        1.64, -2.00 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.40, -5.11 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.