////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Wed 12 Sep 18 19:46:42 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201801686 SRC_RA: 262.1892d {+17h 28m 45s} (J2000), 262.4819d {+17h 29m 56s} (current), 261.4034d {+17h 25m 37s} (1950) SRC_DEC: -27.8228d {-27d 49' 21"} (J2000), -27.8366d {-27d 50' 11"} (current), -27.7831d {-27d 46' 58"} (1950) DISCOVERY_DATE: 18342 TJD; 224 DOY; 18/08/12 (yy/mm/dd) DISCOVERY_TIME: 71202 SOD {19:46:42.00} UT LEAD_TIME: 33.256 [days] MAX_DATE: 18376 TJD; 258 DOY; 18/09/15 (yy/mm/dd) MAX_TIME: 6912 SOD {01:55:12.00} UT MAX_UNCERT: 1.240 [days] CUSP_WIDTH: 10.32 +/- 0.87 [days] u0: 0.68 +/- 0.05 [RingUnits] MAX_MAG: 17.2 mag (estimated) BASE_MAG: 17.73 +/- 0.00 [mag] AMPLIFICATION: 1.69 +/- 0.10 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1686.html SUN_POSTN: 170.81d {+11h 23m 14s} +3.96d {+03d 57' 41"} SUN_DIST: 93.33 [deg] Sun_angle= -6.1 [hr] (East of Sun) MOON_POSTN: 210.54d {+14h 02m 10s} -6.99d {-06d 59' 19"} MOON_DIST: 53.28 [deg] GAL_COORDS: 358.95, 3.73 [deg] galactic lon,lat of the burst ECL_COORDS: 263.07, -4.57 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.