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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 20 Apr 17 02:41:30 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700569
SRC_RA:          272.4593d {+18h 09m 50s} (J2000),
                 272.7287d {+18h 10m 55s} (current),
                 271.6767d {+18h 06m 42s} (1950)
SRC_DEC:         -27.0457d {-27d 02' 44"} (J2000),
                 -27.0414d {-27d 02' 28"} (current),
                 -27.0557d {-27d 03' 20"} (1950)
DISCOVERY_DATE:  17832 TJD;    79 DOY;   17/03/20 (yy/mm/dd)
DISCOVERY_TIME:  9690 SOD {02:41:30.00} UT
LEAD_TIME:       29.050 [days]
MAX_DATE:        17861 TJD;   108 DOY;   17/04/18 (yy/mm/dd)
MAX_TIME:        13996 SOD {03:53:16.80} UT
MAX_UNCERT:      0.320 [days]
CUSP_WIDTH:      10.56 +/- 0.69 [days]
u0:              0.25 +/- 0.01 [RingUnits]
MAX_MAG:         18.4 mag (estimated)
BASE_MAG:        19.93 +/- 0.00 [mag]
AMPLIFICATION:   4.03 +/- 0.15 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0569.html
SUN_POSTN:        28.12d {+01h 52m 30s}  +11.55d {+11d 32' 55"}
SUN_DIST:        117.73 [deg]   Sun_angle= 7.7 [hr] (West of Sun)
MOON_POSTN:      309.87d {+20h 39m 28s}  -16.34d {-16d 20' 08"}
MOON_DIST:        35.98 [deg]
GAL_COORDS:        4.31, -3.68 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.19, -3.63 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.