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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 21 May 15 16:47:22 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201501131
SRC_RA:          274.9379d {+18h 19m 45s} (J2000),
                 275.1705d {+18h 20m 41s} (current),
                 274.1778d {+18h 16m 43s} (1950)
SRC_DEC:         -23.2962d {-23d 17' 45"} (J2000),
                 -23.2887d {-23d 17' 18"} (current),
                 -23.3183d {-23d 19' 05"} (1950)
DISCOVERY_DATE:  17133 TJD;   111 DOY;   15/04/21 (yy/mm/dd)
DISCOVERY_TIME:  60442 SOD {16:47:22.00} UT
LEAD_TIME:       28.993 [days]
MAX_DATE:        17162 TJD;   140 DOY;   15/05/20 (yy/mm/dd)
MAX_TIME:        59875 SOD {16:37:55.19} UT
MAX_UNCERT:      0.250 [days]
CUSP_WIDTH:      5.30 +/- 0.45 [days]
u0:              0.63 +/- 0.01 [RingUnits]
MAX_MAG:         18.4 mag (estimated)
BASE_MAG:        19.00 +/- 0.00 [mag]
AMPLIFICATION:   1.80 +/- 0.03 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1131.html
SUN_POSTN:        58.16d {+03h 52m 38s}  +20.22d {+20d 12' 59"}
SUN_DIST:        145.58 [deg]   Sun_angle= 9.5 [hr] (West of Sun)
MOON_POSTN:      105.49d {+07h 01m 57s}  +17.57d {+17d 34' 07"}
MOON_DIST:       168.77 [deg]
GAL_COORDS:        8.69, -3.88 [deg] galactic lon,lat of the burst
ECL_COORDS:      274.53,  0.07 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.