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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 09 Apr 18 13:54:36 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800542
SRC_RA:          263.3165d {+17h 33m 16s} (J2000),
                 263.6040d {+17h 34m 25s} (current),
                 262.5265d {+17h 30m 06s} (1950)
SRC_DEC:         -28.4269d {-28d 25' 36"} (J2000),
                 -28.4384d {-28d 26' 17"} (current),
                 -28.3926d {-28d 23' 32"} (1950)
DISCOVERY_DATE:  18186 TJD;    68 DOY;   18/03/09 (yy/mm/dd)
DISCOVERY_TIME:  50076 SOD {13:54:36.00} UT
LEAD_TIME:       26.907 [days]
MAX_DATE:        18213 TJD;    95 DOY;   18/04/05 (yy/mm/dd)
MAX_TIME:        42076 SOD {11:41:16.80} UT
MAX_UNCERT:      1.310 [days]
CUSP_WIDTH:      15.35 +/- 1.88 [days]
u0:              0.31 +/- 0.03 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        20.19 +/- 0.00 [mag]
AMPLIFICATION:   3.29 +/- 0.36 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0542.html
SUN_POSTN:        18.16d {+01h 12m 38s}   +7.69d {+07d 41' 36"}
SUN_DIST:        115.21 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:      305.49d {+20h 21m 59s}  -18.58d {-18d 34' 31"}
MOON_DIST:        39.45 [deg]
GAL_COORDS:      358.99,  2.56 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.10, -5.12 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.