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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 19 Apr 13 19:09:34 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201300553
SRC_RA:          273.1643d {+18h 12m 39s} (J2000),
                 273.3718d {+18h 13m 29s} (current),
                 272.3790d {+18h 09m 31s} (1950)
SRC_DEC:         -27.4994d {-27d 29' 57"} (J2000),
                 -27.4952d {-27d 29' 42"} (current),
                 -27.5129d {-27d 30' 45"} (1950)
DISCOVERY_DATE:  16370 TJD;    78 DOY;   13/03/19 (yy/mm/dd)
DISCOVERY_TIME:  68974 SOD {19:09:34.00} UT
LEAD_TIME:       33.039 [days]
MAX_DATE:        16403 TJD;   111 DOY;   13/04/21 (yy/mm/dd)
MAX_TIME:        72316 SOD {20:05:16.79} UT
MAX_UNCERT:      0.980 [days]
CUSP_WIDTH:      56.74 +/- 22.12 [days]
u0:              0.10 +/- 0.03 [RingUnits]
MAX_MAG:         18.2 mag (estimated)
BASE_MAG:        20.69 +/- 0.33 [mag]
AMPLIFICATION:   9.95 +/- 3.43 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0553.html
SUN_POSTN:        27.80d {+01h 51m 12s}  +11.43d {+11d 25' 49"}
SUN_DIST:        116.81 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:      135.05d {+09h 00m 12s}  +11.54d {+11d 32' 16"}
MOON_DIST:       137.86 [deg]
GAL_COORDS:        4.21, -4.45 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.81, -4.09 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.