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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 16 May 17 11:23:24 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700831
SRC_RA:          263.3044d {+17h 33m 13s} (J2000),
                 263.5692d {+17h 34m 17s} (current),
                 262.5389d {+17h 30m 09s} (1950)
SRC_DEC:         -24.3519d {-24d 21' 06"} (J2000),
                 -24.3629d {-24d 21' 45"} (current),
                 -24.3176d {-24d 19' 02"} (1950)
DISCOVERY_DATE:  17859 TJD;   106 DOY;   17/04/16 (yy/mm/dd)
DISCOVERY_TIME:  41004 SOD {11:23:24.00} UT
LEAD_TIME:       21.284 [days]
MAX_DATE:        17880 TJD;   127 DOY;   17/05/07 (yy/mm/dd)
MAX_TIME:        65577 SOD {18:12:57.60} UT
MAX_UNCERT:      0.260 [days]
CUSP_WIDTH:      6.53 +/- 0.50 [days]
u0:              0.44 +/- 0.02 [RingUnits]
MAX_MAG:         19.2 mag (estimated)
BASE_MAG:        20.15 +/- 0.00 [mag]
AMPLIFICATION:   2.42 +/- 0.09 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0831.html
SUN_POSTN:        53.46d {+03h 33m 51s}  +19.20d {+19d 12' 11"}
SUN_DIST:        151.63 [deg]   Sun_angle= 10.0 [hr] (West of Sun)
MOON_POSTN:      298.11d {+19h 52m 26s}  -18.22d {-18d 13' 28"}
MOON_DIST:        32.67 [deg]
GAL_COORDS:        2.42,  4.78 [deg] galactic lon,lat of the burst
ECL_COORDS:      263.90, -1.05 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.