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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 27 Apr 15 15:08:20 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500839
SRC_RA:          274.4003d {+18h 17m 36s} (J2000),
                 274.6343d {+18h 18m 32s} (current),
                 273.6322d {+18h 14m 32s} (1950)
SRC_DEC:         -24.6685d {-24d 40' 06"} (J2000),
                 -24.6618d {-24d 39' 42"} (current),
                 -24.6880d {-24d 41' 16"} (1950)
DISCOVERY_DATE:  17108 TJD;    86 DOY;   15/03/27 (yy/mm/dd)
DISCOVERY_TIME:  54500 SOD {15:08:20.00} UT
LEAD_TIME:       30.263 [days]
MAX_DATE:        17138 TJD;   116 DOY;   15/04/26 (yy/mm/dd)
MAX_TIME:        77241 SOD {21:27:21.59} UT
MAX_UNCERT:      0.760 [days]
CUSP_WIDTH:      10.37 +/- 1.85 [days]
u0:              0.44 +/- 0.01 [RingUnits]
MAX_MAG:         19.3 mag (estimated)
BASE_MAG:        20.25 +/- 0.00 [mag]
AMPLIFICATION:   2.39 +/- 0.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0839.html
SUN_POSTN:        34.70d {+02h 18m 49s}  +13.86d {+13d 51' 51"}
SUN_DIST:        122.82 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:      146.11d {+09h 44m 27s}   +9.62d {+09d 37' 24"}
MOON_DIST:       128.89 [deg]
GAL_COORDS:        7.24, -4.09 [deg] galactic lon,lat of the burst
ECL_COORDS:      274.00, -1.29 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.