////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Wed 05 Sep 18 19:37:49 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201801638 SRC_RA: 265.9121d {+17h 43m 39s} (J2000), 266.2243d {+17h 44m 54s} (current), 265.0729d {+17h 40m 17s} (1950) SRC_DEC: -35.6082d {-35d 36' 29"} (J2000), -35.6153d {-35d 36' 54"} (current), -35.5863d {-35d 35' 10"} (1950) DISCOVERY_DATE: 18335 TJD; 217 DOY; 18/08/05 (yy/mm/dd) DISCOVERY_TIME: 70669 SOD {19:37:49.00} UT LEAD_TIME: 41.715 [days] MAX_DATE: 18377 TJD; 259 DOY; 18/09/16 (yy/mm/dd) MAX_TIME: 46051 SOD {12:47:31.19} UT MAX_UNCERT: 4.430 [days] CUSP_WIDTH: 11.48 +/- 1.61 [days] u0: 0.81 +/- 0.30 [RingUnits] MAX_MAG: 16.0 mag (estimated) BASE_MAG: 16.48 +/- 0.00 [mag] AMPLIFICATION: 1.51 +/- 0.36 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1638.html SUN_POSTN: 164.51d {+10h 58m 02s} +6.60d {+06d 36' 15"} SUN_DIST: 103.35 [deg] Sun_angle= -6.8 [hr] (East of Sun) MOON_POSTN: 110.22d {+07h 20m 52s} +20.79d {+20d 47' 37"} MOON_DIST: 154.30 [deg] GAL_COORDS: 354.09, -3.13 [deg] galactic lon,lat of the burst ECL_COORDS: 266.60,-12.22 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.