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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 28 Aug 17 20:15:53 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701643
SRC_RA:          265.9102d {+17h 43m 38s} (J2000),
                 266.2058d {+17h 44m 49s} (current),
                 265.0696d {+17h 40m 17s} (1950)
SRC_DEC:         -35.8000d {-35d 47' 59"} (J2000),
                 -35.8067d {-35d 48' 23"} (current),
                 -35.7781d {-35d 46' 40"} (1950)
DISCOVERY_DATE:  17962 TJD;   209 DOY;   17/07/28 (yy/mm/dd)
DISCOVERY_TIME:  72953 SOD {20:15:53.00} UT
LEAD_TIME:       28.649 [days]
MAX_DATE:        17991 TJD;   238 DOY;   17/08/26 (yy/mm/dd)
MAX_TIME:        42595 SOD {11:49:55.19} UT
MAX_UNCERT:      1.150 [days]
CUSP_WIDTH:      22.92 +/- 3.50 [days]
u0:              0.12 +/- 0.02 [RingUnits]
MAX_MAG:         15.9 mag (estimated)
BASE_MAG:        18.16 +/- 0.00 [mag]
AMPLIFICATION:   8.23 +/- 1.42 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1643.html
SUN_POSTN:       157.50d {+10h 30m 01s}   +9.42d {+09d 25' 00"}
SUN_DIST:        110.62 [deg]   Sun_angle= -7.2 [hr] (East of Sun)
MOON_POSTN:      239.36d {+15h 57m 26s}  -15.09d {-15d 05' 13"}
MOON_DIST:        31.69 [deg]
GAL_COORDS:      353.92, -3.23 [deg] galactic lon,lat of the burst
ECL_COORDS:      266.60,-12.41 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.