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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 26 Apr 19 20:46:08 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900557
SRC_RA:          263.6505d {+17h 34m 36s} (J2000),
                 263.9591d {+17h 35m 50s} (current),
                 262.8487d {+17h 31m 24s} (1950)
SRC_DEC:         -30.2693d {-30d 16' 08"} (J2000),
                 -30.2809d {-30d 16' 50"} (current),
                 -30.2366d {-30d 14' 11"} (1950)
DISCOVERY_DATE:  18568 TJD;    85 DOY;   19/03/26 (yy/mm/dd)
DISCOVERY_TIME:  74768 SOD {20:46:08.00} UT
LEAD_TIME:       30.327 [days]
MAX_DATE:        18599 TJD;   116 DOY;   19/04/26 (yy/mm/dd)
MAX_TIME:        16588 SOD {04:36:28.79} UT
MAX_UNCERT:      0.050 [days]
CUSP_WIDTH:      3.67 +/- 0.24 [days]
u0:              0.14 +/- 0.00 [RingUnits]
MAX_MAG:         15.8 mag (estimated)
BASE_MAG:        17.95 +/- 0.00 [mag]
AMPLIFICATION:   7.11 +/- 0.26 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0557.html
SUN_POSTN:        34.01d {+02h 16m 02s}  +13.63d {+13d 37' 47"}
SUN_DIST:        131.21 [deg]   Sun_angle= 8.7 [hr] (West of Sun)
MOON_POSTN:      308.30d {+20h 33m 12s}  -20.12d {-20d 07' 14"}
MOON_DIST:        41.12 [deg]
GAL_COORDS:      357.60,  1.32 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.48, -6.95 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.