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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 16 Apr 17 07:46:26 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700558
SRC_RA:          271.8463d {+18h 07m 23s} (J2000),
                 272.1203d {+18h 08m 29s} (current),
                 271.0501d {+18h 04m 12s} (1950)
SRC_DEC:         -29.2222d {-29d 13' 19"} (J2000),
                 -29.2189d {-29d 13' 07"} (current),
                 -29.2292d {-29d 13' 44"} (1950)
DISCOVERY_DATE:  17828 TJD;    75 DOY;   17/03/16 (yy/mm/dd)
DISCOVERY_TIME:  27986 SOD {07:46:26.00} UT
LEAD_TIME:       28.218 [days]
MAX_DATE:        17856 TJD;   103 DOY;   17/04/13 (yy/mm/dd)
MAX_TIME:        46828 SOD {13:00:28.79} UT
MAX_UNCERT:      0.640 [days]
CUSP_WIDTH:      14.51 +/- 1.03 [days]
u0:              0.50 +/- 0.01 [RingUnits]
MAX_MAG:         18.7 mag (estimated)
BASE_MAG:        19.50 +/- 0.00 [mag]
AMPLIFICATION:   2.16 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0558.html
SUN_POSTN:        24.60d {+01h 38m 24s}  +10.23d {+10d 13' 45"}
SUN_DIST:        114.53 [deg]   Sun_angle= 7.5 [hr] (West of Sun)
MOON_POSTN:      261.96d {+17h 27m 50s}  -18.46d {-18d 27' 44"}
MOON_DIST:        14.20 [deg]
GAL_COORDS:        2.14, -4.26 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.62, -5.79 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.