////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Tue 16 Apr 19 19:57:10 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900511 SRC_RA: 268.3907d {+17h 53m 34s} (J2000), 268.6961d {+17h 54m 47s} (current), 267.5959d {+17h 50m 23s} (1950) SRC_DEC: -29.0186d {-29d 01' 06"} (J2000), -29.0213d {-29d 01' 16"} (current), -29.0089d {-29d 00' 31"} (1950) DISCOVERY_DATE: 18558 TJD; 75 DOY; 19/03/16 (yy/mm/dd) DISCOVERY_TIME: 71830 SOD {19:57:10.00} UT LEAD_TIME: 30.669 [days] MAX_DATE: 18589 TJD; 106 DOY; 19/04/16 (yy/mm/dd) MAX_TIME: 43200 SOD {12:00:00.00} UT MAX_UNCERT: 0.500 [days] CUSP_WIDTH: 3.93 +/- 0.47 [days] u0: 1.07 +/- 0.02 [RingUnits] MAX_MAG: 18.5 mag (estimated) BASE_MAG: 18.80 +/- 0.00 [mag] AMPLIFICATION: 1.29 +/- 0.01 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0511.html SUN_POSTN: 24.62d {+01h 38m 29s} +10.24d {+10d 14' 14"} SUN_DIST: 117.55 [deg] Sun_angle= 7.7 [hr] (West of Sun) MOON_POSTN: 173.22d {+11h 32m 53s} +7.66d {+07d 39' 46"} MOON_DIST: 98.48 [deg] GAL_COORDS: 0.82, -1.53 [deg] galactic lon,lat of the burst ECL_COORDS: 268.59, -5.59 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.