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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 13 May 19 19:15:43 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900723
SRC_RA:          270.5978d {+18h 02m 23s} (J2000),
                 270.9032d {+18h 03m 37s} (current),
                 269.8059d {+17h 59m 13s} (1950)
SRC_DEC:         -28.5319d {-28d 31' 54"} (J2000),
                 -28.5305d {-28d 31' 49"} (current),
                 -28.5329d {-28d 31' 57"} (1950)
DISCOVERY_DATE:  18586 TJD;   103 DOY;   19/04/13 (yy/mm/dd)
DISCOVERY_TIME:  69343 SOD {19:15:43.00} UT
LEAD_TIME:       57.551 [days]
MAX_DATE:        18644 TJD;   161 DOY;   19/06/10 (yy/mm/dd)
MAX_TIME:        30585 SOD {08:29:45.59} UT
MAX_UNCERT:      5.400 [days]
CUSP_WIDTH:      31.70 +/- 2.14 [days]
u0:              0.82 +/- 0.13 [RingUnits]
MAX_MAG:         17.7 mag (estimated)
BASE_MAG:        18.13 +/- 0.00 [mag]
AMPLIFICATION:   1.49 +/- 0.15 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0723.html
SUN_POSTN:        50.34d {+03h 21m 22s}  +18.46d {+18d 27' 22"}
SUN_DIST:        141.66 [deg]   Sun_angle= 9.3 [hr] (West of Sun)
MOON_POSTN:      168.80d {+11h 15m 11s}   +9.50d {+09d 30' 07"}
MOON_DIST:       105.10 [deg]
GAL_COORDS:        2.21, -2.97 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.53, -5.09 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.