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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 28 Apr 19 21:40:35 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900578
SRC_RA:          272.3772d {+18h 09m 31s} (J2000),
                 272.6773d {+18h 10m 43s} (current),
                 271.5971d {+18h 06m 23s} (1950)
SRC_DEC:         -26.6349d {-26d 38' 05"} (J2000),
                 -26.6302d {-26d 37' 48"} (current),
                 -26.6446d {-26d 38' 39"} (1950)
DISCOVERY_DATE:  18570 TJD;    87 DOY;   19/03/28 (yy/mm/dd)
DISCOVERY_TIME:  78035 SOD {21:40:35.00} UT
LEAD_TIME:       30.699 [days]
MAX_DATE:        18601 TJD;   118 DOY;   19/04/28 (yy/mm/dd)
MAX_TIME:        52012 SOD {14:26:52.79} UT
MAX_UNCERT:      0.000 [days]
CUSP_WIDTH:      2.84 +/- 0.02 [days]
u0:              0.04 +/- 0.00 [RingUnits]
MAX_MAG:         15.7 mag (estimated)
BASE_MAG:        19.10 +/- 0.00 [mag]
AMPLIFICATION:   22.08 +/- 0.68 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0578.html
SUN_POSTN:        35.94d {+02h 23m 46s}  +14.28d {+14d 16' 32"}
SUN_DIST:        125.85 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      332.88d {+22h 11m 32s}  -14.55d {-14d 32' 42"}
MOON_DIST:        57.15 [deg]
GAL_COORDS:        4.64, -3.42 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.13, -3.21 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.