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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 26 Apr 15 16:41:32 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500831
SRC_RA:          264.4539d {+17h 37m 49s} (J2000),
                 264.6960d {+17h 38m 47s} (current),
                 263.6596d {+17h 34m 38s} (1950)
SRC_DEC:         -29.0645d {-29d 03' 51"} (J2000),
                 -29.0725d {-29d 04' 20"} (current),
                 -29.0357d {-29d 02' 07"} (1950)
DISCOVERY_DATE:  17107 TJD;    85 DOY;   15/03/26 (yy/mm/dd)
DISCOVERY_TIME:  60092 SOD {16:41:32.00} UT
LEAD_TIME:       30.630 [days]
MAX_DATE:        17138 TJD;   116 DOY;   15/04/26 (yy/mm/dd)
MAX_TIME:        28166 SOD {07:49:26.39} UT
MAX_UNCERT:      4.240 [days]
CUSP_WIDTH:      25.00 +/- 3.95 [days]
u0:              0.87 +/- 0.03 [RingUnits]
MAX_MAG:         18.8 mag (estimated)
BASE_MAG:        19.23 +/- 0.00 [mag]
AMPLIFICATION:   1.44 +/- 0.03 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0831.html
SUN_POSTN:        33.82d {+02h 15m 17s}  +13.57d {+13d 33' 54"}
SUN_DIST:        130.55 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      135.15d {+09h 00m 35s}  +12.43d {+12d 25' 38"}
MOON_DIST:       130.39 [deg]
GAL_COORDS:      358.99,  1.38 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.13, -5.72 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.