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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 17 Aug 17 13:41:15 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701581
SRC_RA:          270.7240d {+18h 02m 54s} (J2000),
                 270.9990d {+18h 04m 00s} (current),
                 269.9402d {+17h 59m 46s} (1950)
SRC_DEC:         -27.2260d {-27d 13' 33"} (J2000),
                 -27.2245d {-27d 13' 27"} (current),
                 -27.2276d {-27d 13' 38"} (1950)
DISCOVERY_DATE:  17951 TJD;   198 DOY;   17/07/17 (yy/mm/dd)
DISCOVERY_TIME:  49275 SOD {13:41:15.00} UT
LEAD_TIME:       76.874 [days]
MAX_DATE:        18028 TJD;   275 DOY;   17/10/02 (yy/mm/dd)
MAX_TIME:        38361 SOD {10:39:21.60} UT
MAX_UNCERT:      11.940 [days]
CUSP_WIDTH:      95.87 +/- 7.90 [days]
u0:              0.29 +/- 0.16 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        20.32 +/- 0.00 [mag]
AMPLIFICATION:   3.51 +/- 1.80 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1581.html
SUN_POSTN:       147.13d {+09h 48m 31s}  +13.24d {+13d 14' 21"}
SUN_DIST:        125.95 [deg]   Sun_angle= -8.3 [hr] (East of Sun)
MOON_POSTN:       88.32d {+05h 53m 18s}  +19.12d {+19d 07' 05"}
MOON_DIST:       171.53 [deg]
GAL_COORDS:        3.40, -2.42 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.65, -3.79 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.