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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 17 Aug 17 13:41:13 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701580
SRC_RA:          269.9370d {+17h 59m 45s} (J2000),
                 270.2211d {+18h 00m 53s} (current),
                 269.1274d {+17h 56m 31s} (1950)
SRC_DEC:         -31.2780d {-31d 16' 40"} (J2000),
                 -31.2779d {-31d 16' 39"} (current),
                 -31.2757d {-31d 16' 32"} (1950)
DISCOVERY_DATE:  17951 TJD;   198 DOY;   17/07/17 (yy/mm/dd)
DISCOVERY_TIME:  49273 SOD {13:41:13.00} UT
LEAD_TIME:       35.380 [days]
MAX_DATE:        17986 TJD;   233 DOY;   17/08/21 (yy/mm/dd)
MAX_TIME:        82080 SOD {22:48:00.00} UT
MAX_UNCERT:      3.200 [days]
CUSP_WIDTH:      20.42 +/- 2.04 [days]
u0:              1.02 +/- 0.04 [RingUnits]
MAX_MAG:         18.0 mag (estimated)
BASE_MAG:        18.32 +/- 0.00 [mag]
AMPLIFICATION:   1.32 +/- 0.03 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1580.html
SUN_POSTN:       147.13d {+09h 48m 31s}  +13.24d {+13d 14' 21"}
SUN_DIST:        124.97 [deg]   Sun_angle= -8.2 [hr] (East of Sun)
MOON_POSTN:       88.32d {+05h 53m 18s}  +19.12d {+19d 07' 05"}
MOON_DIST:       167.72 [deg]
GAL_COORDS:      359.53, -3.82 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.95, -7.84 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.