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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Wed 11 Sep 13 12:58:54 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201301813
SRC_RA:          271.9757d {+18h 07m 54s} (J2000),
                 272.1934d {+18h 08m 46s} (current),
                 271.1759d {+18h 04m 42s} (1950)
SRC_DEC:         -29.7762d {-29d 46' 33"} (J2000),
                 -29.7734d {-29d 46' 23"} (current),
                 -29.7839d {-29d 47' 01"} (1950)
DISCOVERY_DATE:  16515 TJD;   223 DOY;   13/08/11 (yy/mm/dd)
DISCOVERY_TIME:  46734 SOD {12:58:54.00} UT
LEAD_TIME:       30.226 [days]
MAX_DATE:        16545 TJD;   253 DOY;   13/09/10 (yy/mm/dd)
MAX_TIME:        66268 SOD {18:24:28.79} UT
MAX_UNCERT:      0.140 [days]
CUSP_WIDTH:      11.07 +/- 2.16 [days]
u0:              0.22 +/- 0.06 [RingUnits]
MAX_MAG:         17.1 mag (estimated)
BASE_MAG:        18.69 +/- 0.00 [mag]
AMPLIFICATION:   4.48 +/- 1.22 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1813.html
SUN_POSTN:       169.84d {+11h 19m 22s}   +4.37d {+04d 22' 15"}
SUN_DIST:        102.88 [deg]   Sun_angle= -6.8 [hr] (East of Sun)
MOON_POSTN:      242.21d {+16h 08m 50s}  -18.75d {-18d 44' 59"}
MOON_DIST:        29.36 [deg]
GAL_COORDS:        1.71, -4.62 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.73, -6.35 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.