////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 14 Apr 19 20:53:23 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900500 SRC_RA: 270.1506d {+18h 00m 36s} (J2000), 270.4502d {+18h 01m 48s} (current), 269.3704d {+17h 57m 29s} (1950) SRC_DEC: -26.6476d {-26d 38' 50"} (J2000), -26.6470d {-26d 38' 48"} (current), -26.6464d {-26d 38' 46"} (1950) DISCOVERY_DATE: 18556 TJD; 73 DOY; 19/03/14 (yy/mm/dd) DISCOVERY_TIME: 75203 SOD {20:53:23.00} UT LEAD_TIME: 36.915 [days] MAX_DATE: 18593 TJD; 110 DOY; 19/04/20 (yy/mm/dd) MAX_TIME: 67824 SOD {18:50:24.00} UT MAX_UNCERT: 3.750 [days] CUSP_WIDTH: 39.15 +/- 5.47 [days] u0: 0.27 +/- 0.05 [RingUnits] MAX_MAG: 18.7 mag (estimated) BASE_MAG: 20.16 +/- 0.01 [mag] AMPLIFICATION: 3.69 +/- 0.68 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0500.html SUN_POSTN: 22.81d {+01h 31m 14s} +9.54d {+09d 32' 18"} SUN_DIST: 114.18 [deg] Sun_angle= 7.5 [hr] (West of Sun) MOON_POSTN: 145.36d {+09h 41m 26s} +16.64d {+16d 38' 28"} MOON_DIST: 128.37 [deg] GAL_COORDS: 3.65, -1.69 [deg] galactic lon,lat of the burst ECL_COORDS: 270.13, -3.21 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.