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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 21 May 13 21:20:30 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201300789
SRC_RA:          272.1686d {+18h 08m 40s} (J2000),
                 272.3801d {+18h 09m 31s} (current),
                 271.3736d {+18h 05m 30s} (1950)
SRC_DEC:         -29.0343d {-29d 02' 02"} (J2000),
                 -29.0314d {-29d 01' 52"} (current),
                 -29.0429d {-29d 02' 33"} (1950)
DISCOVERY_DATE:  16403 TJD;   111 DOY;   13/04/21 (yy/mm/dd)
DISCOVERY_TIME:  76830 SOD {21:20:30.00} UT
LEAD_TIME:       28.666 [days]
MAX_DATE:        16432 TJD;   140 DOY;   13/05/20 (yy/mm/dd)
MAX_TIME:        47952 SOD {13:19:12.00} UT
MAX_UNCERT:      0.020 [days]
CUSP_WIDTH:      24.77 +/- 6.95 [days]
u0:              0.02 +/- 0.00 [RingUnits]
MAX_MAG:         16.3 mag (estimated)
BASE_MAG:        20.25 +/- 0.02 [mag]
AMPLIFICATION:   39.26 +/- 11.86 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0789.html
SUN_POSTN:        58.83d {+03h 55m 20s}  +20.35d {+20d 21' 05"}
SUN_DIST:        148.43 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:      193.82d {+12h 55m 17s}   -8.76d {-08d 45' 26"}
MOON_DIST:        75.80 [deg]
GAL_COORDS:        2.44, -4.41 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.91, -5.61 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.