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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 30 Apr 19 20:54:12 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900612
SRC_RA:          261.1377d {+17h 24m 33s} (J2000),
                 261.4435d {+17h 25m 46s} (current),
                 260.3436d {+17h 21m 22s} (1950)
SRC_DEC:         -29.2283d {-29d 13' 41"} (J2000),
                 -29.2445d {-29d 14' 39"} (current),
                 -29.1835d {-29d 11' 00"} (1950)
DISCOVERY_DATE:  18572 TJD;    89 DOY;   19/03/30 (yy/mm/dd)
DISCOVERY_TIME:  75252 SOD {20:54:12.00} UT
LEAD_TIME:       30.902 [days]
MAX_DATE:        18603 TJD;   120 DOY;   19/04/30 (yy/mm/dd)
MAX_TIME:        66787 SOD {18:33:07.20} UT
MAX_UNCERT:      0.480 [days]
CUSP_WIDTH:      8.82 +/- 0.90 [days]
u0:              0.48 +/- 0.01 [RingUnits]
MAX_MAG:         18.8 mag (estimated)
BASE_MAG:        19.66 +/- 0.00 [mag]
AMPLIFICATION:   2.23 +/- 0.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0612.html
SUN_POSTN:        37.81d {+02h 31m 15s}  +14.88d {+14d 53' 02"}
SUN_DIST:        137.38 [deg]   Sun_angle= 9.1 [hr] (West of Sun)
MOON_POSTN:      355.43d {+23h 41m 44s}   -6.80d {-06d 48' 10"}
MOON_DIST:        90.14 [deg]
GAL_COORDS:      357.27,  3.71 [deg] galactic lon,lat of the burst
ECL_COORDS:      262.23, -6.03 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.