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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 07 Apr 19 14:42:11 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900421
SRC_RA:          267.4318d {+17h 49m 44s} (J2000),
                 267.7240d {+17h 50m 54s} (current),
                 266.6701d {+17h 46m 41s} (1950)
SRC_DEC:         -23.5506d {-23d 33' 01"} (J2000),
                 -23.5551d {-23d 33' 17"} (current),
                 -23.5363d {-23d 32' 10"} (1950)
DISCOVERY_DATE:  18549 TJD;    66 DOY;   19/03/07 (yy/mm/dd)
DISCOVERY_TIME:  52931 SOD {14:42:11.00} UT
LEAD_TIME:       22.899 [days]
MAX_DATE:        18572 TJD;    89 DOY;   19/03/30 (yy/mm/dd)
MAX_TIME:        44236 SOD {12:17:16.80} UT
MAX_UNCERT:      0.110 [days]
CUSP_WIDTH:      11.80 +/- 0.27 [days]
u0:              0.12 +/- 0.01 [RingUnits]
MAX_MAG:         17.3 mag (estimated)
BASE_MAG:        19.58 +/- 0.00 [mag]
AMPLIFICATION:   7.88 +/- 0.65 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0421.html
SUN_POSTN:        16.13d {+01h 04m 32s}   +6.87d {+06d 52' 05"}
SUN_DIST:        109.59 [deg]   Sun_angle= 7.2 [hr] (West of Sun)
MOON_POSTN:       42.58d {+02h 50m 19s}  +11.43d {+11d 25' 32"}
MOON_DIST:       135.47 [deg]
GAL_COORDS:        5.09,  2.00 [deg] galactic lon,lat of the burst
ECL_COORDS:      267.65, -0.13 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.