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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 20 May 12 23:45:14 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200717
SRC_RA:          271.6966d {+18h 06m 47s} (J2000),
                 271.8917d {+18h 07m 34s} (current),
                 270.9036d {+18h 03m 37s} (1950)
SRC_DEC:         -28.7070d {-28d 42' 24"} (J2000),
                 -28.7049d {-28d 42' 16"} (current),
                 -28.7133d {-28d 42' 47"} (1950)
DISCOVERY_DATE:  16037 TJD;   111 DOY;   12/04/20 (yy/mm/dd)
DISCOVERY_TIME:  85514 SOD {23:45:14.00} UT
LEAD_TIME:       27.200 [days]
MAX_DATE:        16065 TJD;   139 DOY;   12/05/18 (yy/mm/dd)
MAX_TIME:        16415 SOD {04:33:35.99} UT
MAX_UNCERT:      0.510 [days]
CUSP_WIDTH:      11.26 +/- 0.93 [days]
u0:              0.61 +/- 0.01 [RingUnits]
MAX_MAG:         19.0 mag (estimated)
BASE_MAG:        19.69 +/- 0.00 [mag]
AMPLIFICATION:   1.85 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0717.html
SUN_POSTN:        58.17d {+03h 52m 41s}  +20.22d {+20d 13' 12"}
SUN_DIST:        148.28 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:       58.04d {+03h 52m 09s}  +20.66d {+20d 39' 50"}
MOON_DIST:       148.32 [deg]
GAL_COORDS:        2.53, -3.89 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.49, -5.28 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.