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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 25 May 17 20:24:40 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700873
SRC_RA:          271.8925d {+18h 07m 34s} (J2000),
                 272.1643d {+18h 08m 39s} (current),
                 271.1077d {+18h 04m 26s} (1950)
SRC_DEC:         -27.4043d {-27d 24' 14"} (J2000),
                 -27.4009d {-27d 24' 02"} (current),
                 -27.4116d {-27d 24' 41"} (1950)
DISCOVERY_DATE:  17868 TJD;   115 DOY;   17/04/25 (yy/mm/dd)
DISCOVERY_TIME:  73480 SOD {20:24:40.00} UT
LEAD_TIME:       24.729 [days]
MAX_DATE:        17893 TJD;   140 DOY;   17/05/20 (yy/mm/dd)
MAX_TIME:        50025 SOD {13:53:45.59} UT
MAX_UNCERT:      1.480 [days]
CUSP_WIDTH:      11.21 +/- 1.16 [days]
u0:              1.30 +/- 0.02 [RingUnits]
MAX_MAG:         17.7 mag (estimated)
BASE_MAG:        17.93 +/- 0.00 [mag]
AMPLIFICATION:   1.18 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0873.html
SUN_POSTN:        62.86d {+04h 11m 26s}  +21.09d {+21d 05' 41"}
SUN_DIST:        152.62 [deg]   Sun_angle= 10.0 [hr] (West of Sun)
MOON_POSTN:       64.27d {+04h 17m 06s}  +16.33d {+16d 20' 03"}
MOON_DIST:       151.94 [deg]
GAL_COORDS:        3.75, -3.41 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.68, -3.98 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.