////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 22 Sep 18 07:59:58 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201801711 SRC_RA: 271.1175d {+18h 04m 28s} (J2000), 271.4105d {+18h 05m 39s} (current), 270.3315d {+18h 01m 20s} (1950) SRC_DEC: -27.5954d {-27d 35' 42"} (J2000), -27.5931d {-27d 35' 34"} (current), -27.5989d {-27d 35' 55"} (1950) DISCOVERY_DATE: 18352 TJD; 234 DOY; 18/08/22 (yy/mm/dd) DISCOVERY_TIME: 28798 SOD {07:59:58.00} UT LEAD_TIME: 46.146 [days] MAX_DATE: 18398 TJD; 280 DOY; 18/10/07 (yy/mm/dd) MAX_TIME: 41385 SOD {11:29:45.59} UT MAX_UNCERT: 3.790 [days] CUSP_WIDTH: 34.10 +/- 2.26 [days] u0: 0.38 +/- 0.11 [RingUnits] MAX_MAG: 18.3 mag (estimated) BASE_MAG: 19.44 +/- 0.00 [mag] AMPLIFICATION: 2.75 +/- 0.77 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1711.html SUN_POSTN: 179.33d {+11h 57m 20s} +0.29d {+00d 17' 19"} SUN_DIST: 91.97 [deg] Sun_angle= -6.1 [hr] (East of Sun) MOON_POSTN: 330.72d {+22h 02m 52s} -14.02d {-14d 01' 25"} MOON_DIST: 56.55 [deg] GAL_COORDS: 3.25, -2.91 [deg] galactic lon,lat of the burst ECL_COORDS: 270.99, -4.16 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.