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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 24 Apr 18 18:58:50 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800689
SRC_RA:          272.0089d {+18h 08m 02s} (J2000),
                 272.2991d {+18h 09m 12s} (current),
                 271.2129d {+18h 04m 51s} (1950)
SRC_DEC:         -29.1924d {-29d 11' 32"} (J2000),
                 -29.1886d {-29d 11' 18"} (current),
                 -29.2002d {-29d 12' 00"} (1950)
DISCOVERY_DATE:  18201 TJD;    83 DOY;   18/03/24 (yy/mm/dd)
DISCOVERY_TIME:  68330 SOD {18:58:50.00} UT
LEAD_TIME:       34.955 [days]
MAX_DATE:        18236 TJD;   118 DOY;   18/04/28 (yy/mm/dd)
MAX_TIME:        64454 SOD {17:54:14.39} UT
MAX_UNCERT:      0.250 [days]
CUSP_WIDTH:      11.98 +/- 0.58 [days]
u0:              0.00 +/- 0.72 [RingUnits]
MAX_MAG:         12.1 mag (estimated)
BASE_MAG:        19.58 +/- 0.00 [mag]
AMPLIFICATION:   306.84 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0689.html
SUN_POSTN:        32.28d {+02h 09m 08s}  +13.04d {+13d 02' 08"}
SUN_DIST:        122.35 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:      151.70d {+10h 06m 48s}  +13.29d {+13d 17' 38"}
MOON_DIST:       123.00 [deg]
GAL_COORDS:        2.23, -4.37 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.76, -5.77 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.  
COMMENTS:        WARNING: Amax_error was 'nan'.