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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 27 Apr 15 15:08:16 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500837
SRC_RA:          271.0630d {+18h 04m 15s} (J2000),
                 271.3135d {+18h 05m 15s} (current),
                 270.2410d {+18h 00m 58s} (1950)
SRC_DEC:         -33.1023d {-33d 06' 07"} (J2000),
                 -33.1005d {-33d 06' 01"} (current),
                 -33.1055d {-33d 06' 19"} (1950)
DISCOVERY_DATE:  17108 TJD;    86 DOY;   15/03/27 (yy/mm/dd)
DISCOVERY_TIME:  54496 SOD {15:08:16.00} UT
LEAD_TIME:       31.830 [days]
MAX_DATE:        17140 TJD;   118 DOY;   15/04/28 (yy/mm/dd)
MAX_TIME:        39830 SOD {11:03:50.40} UT
MAX_UNCERT:      1.290 [days]
CUSP_WIDTH:      13.52 +/- 2.33 [days]
u0:              0.22 +/- 0.04 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        20.55 +/- 0.00 [mag]
AMPLIFICATION:   4.50 +/- 0.90 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0837.html
SUN_POSTN:        34.70d {+02h 18m 49s}  +13.86d {+13d 51' 51"}
SUN_DIST:        125.34 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      146.11d {+09h 44m 27s}   +9.62d {+09d 37' 24"}
MOON_DIST:       124.57 [deg]
GAL_COORDS:      358.40, -5.54 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.90, -9.67 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.