////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 12 Apr 19 20:27:39 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900457 SRC_RA: 269.6780d {+17h 58m 43s} (J2000), 269.9911d {+17h 59m 58s} (current), 268.8626d {+17h 55m 27s} (1950) SRC_DEC: -32.1453d {-32d 08' 42"} (J2000), -32.1456d {-32d 08' 43"} (current), -32.1418d {-32d 08' 29"} (1950) DISCOVERY_DATE: 18554 TJD; 71 DOY; 19/03/12 (yy/mm/dd) DISCOVERY_TIME: 73659 SOD {20:27:39.00} UT LEAD_TIME: 42.355 [days] MAX_DATE: 18597 TJD; 114 DOY; 19/04/24 (yy/mm/dd) MAX_TIME: 17971 SOD {04:59:31.20} UT MAX_UNCERT: 5.190 [days] CUSP_WIDTH: 30.12 +/- 3.16 [days] u0: 0.70 +/- 0.09 [RingUnits] MAX_MAG: 18.4 mag (estimated) BASE_MAG: 18.96 +/- 0.00 [mag] AMPLIFICATION: 1.66 +/- 0.15 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0457.html SUN_POSTN: 20.95d {+01h 23m 47s} +8.81d {+08d 48' 30"} SUN_DIST: 112.38 [deg] Sun_angle= 7.4 [hr] (West of Sun) MOON_POSTN: 115.29d {+07h 41m 09s} +21.63d {+21d 37' 41"} MOON_DIST: 155.19 [deg] GAL_COORDS: 358.67, -4.06 [deg] galactic lon,lat of the burst ECL_COORDS: 269.72, -8.71 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.