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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 20 May 12 23:45:26 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200720
SRC_RA:          267.0409d {+17h 48m 10s} (J2000),
                 267.2281d {+17h 48m 55s} (current),
                 266.2805d {+17h 45m 07s} (1950)
SRC_DEC:         -23.3452d {-23d 20' 42"} (J2000),
                 -23.3486d {-23d 20' 54"} (current),
                 -23.3290d {-23d 19' 43"} (1950)
DISCOVERY_DATE:  16037 TJD;   111 DOY;   12/04/20 (yy/mm/dd)
DISCOVERY_TIME:  85526 SOD {23:45:26.00} UT
LEAD_TIME:       28.441 [days]
MAX_DATE:        16066 TJD;   140 DOY;   12/05/19 (yy/mm/dd)
MAX_TIME:        37238 SOD {10:20:38.39} UT
MAX_UNCERT:      0.010 [days]
CUSP_WIDTH:      16.87 +/- 0.48 [days]
u0:              0.00 +/- 0.00 [RingUnits]
MAX_MAG:         13.1 mag (estimated)
BASE_MAG:        18.19 +/- 0.00 [mag]
AMPLIFICATION:   110.20 +/- 33.14 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0720.html
SUN_POSTN:        58.17d {+03h 52m 41s}  +20.22d {+20d 13' 12"}
SUN_DIST:        152.88 [deg]   Sun_angle= 10.1 [hr] (West of Sun)
MOON_POSTN:       58.04d {+03h 52m 10s}  +20.66d {+20d 39' 51"}
MOON_DIST:       152.85 [deg]
GAL_COORDS:        5.08,  2.41 [deg] galactic lon,lat of the burst
ECL_COORDS:      267.28,  0.07 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.