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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 25 May 17 20:24:36 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700871
SRC_RA:          271.8745d {+18h 07m 30s} (J2000),
                 272.1480d {+18h 08m 36s} (current),
                 271.0848d {+18h 04m 20s} (1950)
SRC_DEC:         -28.1949d {-28d 11' 41"} (J2000),
                 -28.1915d {-28d 11' 28"} (current),
                 -28.2021d {-28d 12' 07"} (1950)
DISCOVERY_DATE:  17868 TJD;   115 DOY;   17/04/25 (yy/mm/dd)
DISCOVERY_TIME:  73476 SOD {20:24:36.00} UT
LEAD_TIME:       69.361 [days]
MAX_DATE:        17938 TJD;   185 DOY;   17/07/04 (yy/mm/dd)
MAX_TIME:        18230 SOD {05:03:50.40} UT
MAX_UNCERT:      23.530 [days]
CUSP_WIDTH:      41.05 +/- 7.97 [days]
u0:              1.40 +/- 0.30 [RingUnits]
MAX_MAG:         17.5 mag (estimated)
BASE_MAG:        17.68 +/- 0.00 [mag]
AMPLIFICATION:   1.15 +/- 0.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0871.html
SUN_POSTN:        62.86d {+04h 11m 26s}  +21.09d {+21d 05' 41"}
SUN_DIST:        152.53 [deg]   Sun_angle= 10.0 [hr] (West of Sun)
MOON_POSTN:       64.27d {+04h 17m 05s}  +16.33d {+16d 20' 02"}
MOON_DIST:       151.71 [deg]
GAL_COORDS:        3.05, -3.78 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.66, -4.77 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.