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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 07 Aug 17 19:53:08 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701520
SRC_RA:          269.5609d {+17h 58m 15s} (J2000),
                 269.8393d {+17h 59m 21s} (current),
                 268.7664d {+17h 55m 04s} (1950)
SRC_DEC:         -28.9521d {-28d 57' 07"} (J2000),
                 -28.9526d {-28d 57' 08"} (current),
                 -28.9480d {-28d 56' 52"} (1950)
DISCOVERY_DATE:  17941 TJD;   188 DOY;   17/07/07 (yy/mm/dd)
DISCOVERY_TIME:  71588 SOD {19:53:08.00} UT
LEAD_TIME:       45.981 [days]
MAX_DATE:        17987 TJD;   234 DOY;   17/08/22 (yy/mm/dd)
MAX_TIME:        69984 SOD {19:26:24.00} UT
MAX_UNCERT:      4.390 [days]
CUSP_WIDTH:      16.82 +/- 1.60 [days]
u0:              1.00 +/- 0.17 [RingUnits]
MAX_MAG:         17.6 mag (estimated)
BASE_MAG:        17.90 +/- 0.00 [mag]
AMPLIFICATION:   1.33 +/- 0.12 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1520.html
SUN_POSTN:       137.96d {+09h 11m 49s}  +16.19d {+16d 11' 21"}
SUN_DIST:        134.11 [deg]   Sun_angle= -8.8 [hr] (East of Sun)
MOON_POSTN:      318.63d {+21h 14m 32s}  -15.13d {-15d 07' 54"}
MOON_DIST:        46.93 [deg]
GAL_COORDS:        1.39, -2.38 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.61, -5.51 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.