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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 30 Apr 19 20:54:14 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900613
SRC_RA:          263.4499d {+17h 33m 48s} (J2000),
                 263.7551d {+17h 35m 01s} (current),
                 262.6572d {+17h 30m 38s} (1950)
SRC_DEC:         -28.8490d {-28d 50' 55"} (J2000),
                 -28.8609d {-28d 51' 38"} (current),
                 -28.8153d {-28d 48' 54"} (1950)
DISCOVERY_DATE:  18572 TJD;    89 DOY;   19/03/30 (yy/mm/dd)
DISCOVERY_TIME:  75254 SOD {20:54:14.00} UT
LEAD_TIME:       31.151 [days]
MAX_DATE:        18604 TJD;   121 DOY;   19/05/01 (yy/mm/dd)
MAX_TIME:        1900 SOD {00:31:40.79} UT
MAX_UNCERT:      0.790 [days]
CUSP_WIDTH:      16.41 +/- 2.57 [days]
u0:              0.15 +/- 0.02 [RingUnits]
MAX_MAG:         18.8 mag (estimated)
BASE_MAG:        20.87 +/- 0.02 [mag]
AMPLIFICATION:   6.52 +/- 0.88 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0613.html
SUN_POSTN:        37.81d {+02h 31m 15s}  +14.88d {+14d 53' 02"}
SUN_DIST:        135.44 [deg]   Sun_angle= 8.9 [hr] (West of Sun)
MOON_POSTN:      355.43d {+23h 41m 44s}   -6.80d {-06d 48' 10"}
MOON_DIST:        88.18 [deg]
GAL_COORDS:      358.70,  2.24 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.24, -5.54 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.