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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 16 Apr 17 07:46:22 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700556
SRC_RA:          270.9587d {+18h 03m 50s} (J2000),
                 271.2315d {+18h 04m 56s} (current),
                 270.1660d {+18h 00m 40s} (1950)
SRC_DEC:         -28.6661d {-28d 39' 57"} (J2000),
                 -28.6643d {-28d 39' 50"} (current),
                 -28.6688d {-28d 40' 07"} (1950)
DISCOVERY_DATE:  17828 TJD;    75 DOY;   17/03/16 (yy/mm/dd)
DISCOVERY_TIME:  27982 SOD {07:46:22.00} UT
LEAD_TIME:       29.477 [days]
MAX_DATE:        17857 TJD;   104 DOY;   17/04/14 (yy/mm/dd)
MAX_TIME:        69206 SOD {19:13:26.39} UT
MAX_UNCERT:      0.270 [days]
CUSP_WIDTH:      3.77 +/- 0.50 [days]
u0:              0.88 +/- 0.02 [RingUnits]
MAX_MAG:         18.6 mag (estimated)
BASE_MAG:        19.00 +/- 0.00 [mag]
AMPLIFICATION:   1.43 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0556.html
SUN_POSTN:        24.60d {+01h 38m 24s}  +10.23d {+10d 13' 45"}
SUN_DIST:        115.32 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:      261.96d {+17h 27m 49s}  -18.46d {-18d 27' 43"}
MOON_DIST:        13.27 [deg]
GAL_COORDS:        2.25, -3.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.84, -5.23 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.