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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 22 Apr 12 17:54:22 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200507
SRC_RA:          271.0779d {+18h 04m 19s} (J2000),
                 271.2694d {+18h 05m 05s} (current),
                 270.2944d {+18h 01m 11s} (1950)
SRC_DEC:         -27.1849d {-27d 11' 05"} (J2000),
                 -27.1835d {-27d 11' 00"} (current),
                 -27.1882d {-27d 11' 17"} (1950)
DISCOVERY_DATE:  16008 TJD;    82 DOY;   12/03/22 (yy/mm/dd)
DISCOVERY_TIME:  64462 SOD {17:54:22.00} UT
LEAD_TIME:       31.126 [days]
MAX_DATE:        16039 TJD;   113 DOY;   12/04/22 (yy/mm/dd)
MAX_TIME:        75340 SOD {20:55:40.79} UT
MAX_UNCERT:      0.310 [days]
CUSP_WIDTH:      2.72 +/- 0.28 [days]
u0:              1.00 +/- 0.02 [RingUnits]
MAX_MAG:         18.3 mag (estimated)
BASE_MAG:        18.62 +/- 0.00 [mag]
AMPLIFICATION:   1.33 +/- 0.01 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0507.html
SUN_POSTN:        30.78d {+02h 03m 08s}  +12.51d {+12d 30' 35"}
SUN_DIST:        121.79 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:       45.66d {+03h 02m 39s}  +18.74d {+18d 44' 39"}
MOON_DIST:       137.40 [deg]
GAL_COORDS:        3.59, -2.68 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.96, -3.75 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.