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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 23 Apr 12 20:06:44 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200515
SRC_RA:          271.3168d {+18h 05m 16s} (J2000),
                 271.5104d {+18h 06m 03s} (current),
                 270.5249d {+18h 02m 06s} (1950)
SRC_DEC:         -28.5345d {-28d 32' 03"} (J2000),
                 -28.5328d {-28d 31' 57"} (current),
                 -28.5390d {-28d 32' 19"} (1950)
DISCOVERY_DATE:  16009 TJD;    83 DOY;   12/03/23 (yy/mm/dd)
DISCOVERY_TIME:  72404 SOD {20:06:44.00} UT
LEAD_TIME:       31.807 [days]
MAX_DATE:        16041 TJD;   115 DOY;   12/04/24 (yy/mm/dd)
MAX_TIME:        55728 SOD {15:28:48.00} UT
MAX_UNCERT:      0.520 [days]
CUSP_WIDTH:      6.51 +/- 0.52 [days]
u0:              0.72 +/- 0.02 [RingUnits]
MAX_MAG:         19.0 mag (estimated)
BASE_MAG:        19.56 +/- 0.00 [mag]
AMPLIFICATION:   1.63 +/- 0.03 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0515.html
SUN_POSTN:        31.81d {+02h 07m 14s}  +12.87d {+12d 52' 17"}
SUN_DIST:        122.58 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:       59.24d {+03h 56m 58s}  +20.75d {+20d 44' 52"}
MOON_DIST:       149.76 [deg]
GAL_COORDS:        2.52, -3.52 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.16, -5.10 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.