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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 23 Mar 18 22:28:51 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800421
SRC_RA:          267.9947d {+17h 51m 59s} (J2000),
                 268.2900d {+17h 53m 10s} (current),
                 267.1813d {+17h 48m 44s} (1950)
SRC_DEC:         -31.8661d {-31d 51' 57"} (J2000),
                 -31.8694d {-31d 52' 09"} (current),
                 -31.8544d {-31d 51' 15"} (1950)
DISCOVERY_DATE:  18172 TJD;    54 DOY;   18/02/23 (yy/mm/dd)
DISCOVERY_TIME:  80931 SOD {22:28:51.00} UT
LEAD_TIME:       51.185 [days]
MAX_DATE:        18224 TJD;   106 DOY;   18/04/16 (yy/mm/dd)
MAX_TIME:        10540 SOD {02:55:40.79} UT
MAX_UNCERT:      5.740 [days]
CUSP_WIDTH:      16.86 +/- 1.37 [days]
u0:              0.24 +/- 1.46 [RingUnits]
MAX_MAG:         14.3 mag (estimated)
BASE_MAG:        15.86 +/- 0.00 [mag]
AMPLIFICATION:   4.23 +/- 24.64 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0421.html
SUN_POSTN:         2.98d {+00h 11m 54s}   +1.29d {+01d 17' 19"}
SUN_DIST:         94.66 [deg]   Sun_angle= 6.3 [hr] (West of Sun)
MOON_POSTN:       83.52d {+05h 34m 04s}  +19.37d {+19d 21' 57"}
MOON_DIST:       166.78 [deg]
GAL_COORDS:      358.19, -2.68 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.28, -8.44 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.