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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 01 Apr 18 21:32:50 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800521
SRC_RA:          271.7788d {+18h 07m 07s} (J2000),
                 272.0609d {+18h 08m 15s} (current),
                 271.0024d {+18h 04m 01s} (1950)
SRC_DEC:         -26.0194d {-26d 01' 09"} (J2000),
                 -26.0160d {-26d 00' 57"} (current),
                 -26.0262d {-26d 01' 33"} (1950)
DISCOVERY_DATE:  18178 TJD;    60 DOY;   18/03/01 (yy/mm/dd)
DISCOVERY_TIME:  77570 SOD {21:32:50.00} UT
LEAD_TIME:       93.506 [days]
MAX_DATE:        18272 TJD;   154 DOY;   18/06/03 (yy/mm/dd)
MAX_TIME:        34905 SOD {09:41:45.60} UT
MAX_UNCERT:      5.690 [days]
CUSP_WIDTH:      105.15 +/- 8.23 [days]
u0:              0.00 +/- 0.30 [RingUnits]
MAX_MAG:         8.7 mag (estimated)
BASE_MAG:        19.38 +/- 0.00 [mag]
AMPLIFICATION:   618.07 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0521.html
SUN_POSTN:        11.14d {+00h 44m 32s}   +4.78d {+04d 47' 06"}
SUN_DIST:        100.24 [deg]   Sun_angle= 6.6 [hr] (West of Sun)
MOON_POSTN:      208.97d {+13h 55m 53s}   -6.59d {-06d 35' 39"}
MOON_DIST:        62.97 [deg]
GAL_COORDS:        4.92, -2.65 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.60, -2.59 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.  
COMMENTS:        WARNING: Amax_error was 'nan'.