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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 27 Apr 15 15:08:22 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500840
SRC_RA:          273.9696d {+18h 15m 53s} (J2000),
                 274.2029d {+18h 16m 49s} (current),
                 273.2039d {+18h 12m 49s} (1950)
SRC_DEC:         -24.2373d {-24d 14' 13"} (J2000),
                 -24.2313d {-24d 13' 52"} (current),
                 -24.2547d {-24d 15' 16"} (1950)
DISCOVERY_DATE:  17108 TJD;    86 DOY;   15/03/27 (yy/mm/dd)
DISCOVERY_TIME:  54502 SOD {15:08:22.00} UT
LEAD_TIME:       31.044 [days]
MAX_DATE:        17139 TJD;   117 DOY;   15/04/27 (yy/mm/dd)
MAX_TIME:        58319 SOD {16:11:59.99} UT
MAX_UNCERT:      0.090 [days]
CUSP_WIDTH:      9.79 +/- 0.45 [days]
u0:              0.12 +/- 0.00 [RingUnits]
MAX_MAG:         17.3 mag (estimated)
BASE_MAG:        19.60 +/- 0.00 [mag]
AMPLIFICATION:   7.97 +/- 0.14 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0840.html
SUN_POSTN:        34.70d {+02h 18m 49s}  +13.86d {+13d 51' 51"}
SUN_DIST:        123.21 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:      146.11d {+09h 44m 27s}   +9.62d {+09d 37' 24"}
MOON_DIST:       128.55 [deg]
GAL_COORDS:        7.44, -3.54 [deg] galactic lon,lat of the burst
ECL_COORDS:      273.62, -0.85 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.