//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 16 Apr 19 19:57:30 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900521
SRC_RA:          262.1970d {+17h 28m 47s} (J2000),
                 262.4997d {+17h 30m 00s} (current),
                 261.4093d {+17h 25m 38s} (1950)
SRC_DEC:         -28.1216d {-28d 07' 17"} (J2000),
                 -28.1358d {-28d 08' 08"} (current),
                 -28.0819d {-28d 04' 54"} (1950)
DISCOVERY_DATE:  18558 TJD;    75 DOY;   19/03/16 (yy/mm/dd)
DISCOVERY_TIME:  71850 SOD {19:57:30.00} UT
LEAD_TIME:       56.767 [days]
MAX_DATE:        18615 TJD;   132 DOY;   19/05/12 (yy/mm/dd)
MAX_TIME:        51753 SOD {14:22:33.59} UT
MAX_UNCERT:      1.650 [days]
CUSP_WIDTH:      41.35 +/- 2.08 [days]
u0:              0.00 +/- 0.19 [RingUnits]
MAX_MAG:         8.1 mag (estimated)
BASE_MAG:        19.33 +/- 0.00 [mag]
AMPLIFICATION:   223.06 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0521.html
SUN_POSTN:        24.62d {+01h 38m 29s}  +10.24d {+10d 14' 15"}
SUN_DIST:        123.04 [deg]   Sun_angle= 8.1 [hr] (West of Sun)
MOON_POSTN:      173.22d {+11h 32m 54s}   +7.66d {+07d 39' 41"}
MOON_DIST:        92.97 [deg]
GAL_COORDS:      358.70,  3.56 [deg] galactic lon,lat of the burst
ECL_COORDS:      263.10, -4.87 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.  
COMMENTS:        WARNING: Amax_error was 'nan'.