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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 27 Aug 13 10:50:58 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201301688
SRC_RA:          270.0635d {+18h 00m 15s} (J2000),
                 270.2822d {+18h 01m 08s} (current),
                 269.2576d {+17h 57m 02s} (1950)
SRC_DEC:         -30.7199d {-30d 43' 11"} (J2000),
                 -30.7197d {-30d 43' 10"} (current),
                 -30.7183d {-30d 43' 05"} (1950)
DISCOVERY_DATE:  16500 TJD;   208 DOY;   13/07/27 (yy/mm/dd)
DISCOVERY_TIME:  39058 SOD {10:50:58.00} UT
LEAD_TIME:       31.907 [days]
MAX_DATE:        16532 TJD;   240 DOY;   13/08/28 (yy/mm/dd)
MAX_TIME:        31017 SOD {08:36:57.60} UT
MAX_UNCERT:      0.790 [days]
CUSP_WIDTH:      10.09 +/- 0.72 [days]
u0:              0.49 +/- 0.02 [RingUnits]
MAX_MAG:         18.5 mag (estimated)
BASE_MAG:        19.31 +/- 0.00 [mag]
AMPLIFICATION:   2.18 +/- 0.10 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1688.html
SUN_POSTN:       156.21d {+10h 24m 49s}   +9.92d {+09d 55' 13"}
SUN_DIST:        115.69 [deg]   Sun_angle= -7.6 [hr] (East of Sun)
MOON_POSTN:       51.81d {+03h 27m 15s}  +17.57d {+17d 34' 22"}
MOON_DIST:       142.74 [deg]
GAL_COORDS:        0.07, -3.64 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.06, -7.28 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.