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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 12 May 12 20:41:32 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200638
SRC_RA:          268.4624d {+17h 53m 51s} (J2000),
                 268.6605d {+17h 54m 39s} (current),
                 267.6558d {+17h 50m 37s} (1950)
SRC_DEC:         -30.8295d {-30d 49' 45"} (J2000),
                 -30.8312d {-30d 49' 51"} (current),
                 -30.8201d {-30d 49' 11"} (1950)
DISCOVERY_DATE:  16029 TJD;   103 DOY;   12/04/12 (yy/mm/dd)
DISCOVERY_TIME:  74492 SOD {20:41:32.00} UT
LEAD_TIME:       29.174 [days]
MAX_DATE:        16059 TJD;   133 DOY;   12/05/12 (yy/mm/dd)
MAX_TIME:        3110 SOD {00:51:50.39} UT
MAX_UNCERT:      1.210 [days]
CUSP_WIDTH:      7.63 +/- 1.09 [days]
u0:              0.75 +/- 0.02 [RingUnits]
MAX_MAG:         19.4 mag (estimated)
BASE_MAG:        19.92 +/- 0.00 [mag]
AMPLIFICATION:   1.58 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0638.html
SUN_POSTN:        50.10d {+03h 20m 24s}  +18.40d {+18d 23' 45"}
SUN_DIST:        143.02 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      322.67d {+21h 30m 42s}   -9.30d {-09d 18' 01"}
MOON_DIST:        54.50 [deg]
GAL_COORDS:      359.29, -2.50 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.67, -7.40 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.