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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 07 Apr 19 14:42:09 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900420
SRC_RA:          262.1816d {+17h 28m 44s} (J2000),
                 262.4848d {+17h 29m 56s} (current),
                 261.3917d {+17h 25m 34s} (1950)
SRC_DEC:         -28.4769d {-28d 28' 36"} (J2000),
                 -28.4911d {-28d 29' 27"} (current),
                 -28.4371d {-28d 26' 13"} (1950)
DISCOVERY_DATE:  18549 TJD;    66 DOY;   19/03/07 (yy/mm/dd)
DISCOVERY_TIME:  52929 SOD {14:42:09.00} UT
LEAD_TIME:       41.860 [days]
MAX_DATE:        18591 TJD;   108 DOY;   19/04/18 (yy/mm/dd)
MAX_TIME:        40867 SOD {11:21:07.20} UT
MAX_UNCERT:      3.860 [days]
CUSP_WIDTH:      11.24 +/- 1.15 [days]
u0:              0.92 +/- 0.31 [RingUnits]
MAX_MAG:         16.4 mag (estimated)
BASE_MAG:        16.79 +/- 0.00 [mag]
AMPLIFICATION:   1.39 +/- 0.27 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0420.html
SUN_POSTN:        16.13d {+01h 04m 32s}   +6.87d {+06d 52' 05"}
SUN_DIST:        114.02 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:       42.58d {+02h 50m 19s}  +11.43d {+11d 25' 32"}
MOON_DIST:       139.06 [deg]
GAL_COORDS:      358.40,  3.37 [deg] galactic lon,lat of the burst
ECL_COORDS:      263.10, -5.22 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.