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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 15 Aug 13 12:46:44 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201301640
SRC_RA:          268.4080d {+17h 53m 38s} (J2000),
                 268.6114d {+17h 54m 27s} (current),
                 267.6567d {+17h 50m 38s} (1950)
SRC_DEC:         -21.7171d {-21d 43' 01"} (J2000),
                 -21.7191d {-21d 43' 08"} (current),
                 -21.7075d {-21d 42' 26"} (1950)
DISCOVERY_DATE:  16488 TJD;   196 DOY;   13/07/15 (yy/mm/dd)
DISCOVERY_TIME:  46004 SOD {12:46:44.00} UT
LEAD_TIME:       24.464 [days]
MAX_DATE:        16512 TJD;   220 DOY;   13/08/08 (yy/mm/dd)
MAX_TIME:        86054 SOD {23:54:14.39} UT
MAX_UNCERT:      0.160 [days]
CUSP_WIDTH:      45.11 +/- 8.93 [days]
u0:              0.08 +/- 0.02 [RingUnits]
MAX_MAG:         17.3 mag (estimated)
BASE_MAG:        19.98 +/- 0.00 [mag]
AMPLIFICATION:   11.33 +/- 3.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1640.html
SUN_POSTN:       145.20d {+09h 40m 48s}  +13.90d {+13d 53' 50"}
SUN_DIST:        125.84 [deg]   Sun_angle= -8.2 [hr] (East of Sun)
MOON_POSTN:      245.49d {+16h 21m 57s}  -19.18d {-19d 10' 51"}
MOON_DIST:        21.79 [deg]
GAL_COORDS:        7.12,  2.16 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.52,  1.71 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.