//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 28 Apr 19 21:40:33 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900577
SRC_RA:          271.7536d {+18h 07m 01s} (J2000),
                 272.0548d {+18h 08m 13s} (current),
                 270.9709d {+18h 03m 53s} (1950)
SRC_DEC:         -27.0605d {-27d 03' 37"} (J2000),
                 -27.0569d {-27d 03' 24"} (current),
                 -27.0671d {-27d 04' 01"} (1950)
DISCOVERY_DATE:  18570 TJD;    87 DOY;   19/03/28 (yy/mm/dd)
DISCOVERY_TIME:  78033 SOD {21:40:33.00} UT
LEAD_TIME:       33.003 [days]
MAX_DATE:        18603 TJD;   120 DOY;   19/04/30 (yy/mm/dd)
MAX_TIME:        78278 SOD {21:44:38.39} UT
MAX_UNCERT:      0.520 [days]
CUSP_WIDTH:      22.95 +/- 4.40 [days]
u0:              0.03 +/- 0.02 [RingUnits]
MAX_MAG:         15.8 mag (estimated)
BASE_MAG:        19.34 +/- 0.00 [mag]
AMPLIFICATION:   26.43 +/- 20.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0577.html
SUN_POSTN:        35.94d {+02h 23m 46s}  +14.28d {+14d 16' 32"}
SUN_DIST:        126.40 [deg]   Sun_angle= 8.3 [hr] (West of Sun)
MOON_POSTN:      332.88d {+22h 11m 32s}  -14.55d {-14d 32' 42"}
MOON_DIST:        57.70 [deg]
GAL_COORDS:        4.00, -3.14 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.56, -3.63 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.