////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 21 Apr 19 19:42:15 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900541 SRC_RA: 269.1836d {+17h 56m 44s} (J2000), 269.4935d {+17h 57m 58s} (current), 268.3776d {+17h 53m 31s} (1950) SRC_DEC: -30.7352d {-30d 44' 06"} (J2000), -30.7364d {-30d 44' 10"} (current), -30.7293d {-30d 43' 44"} (1950) DISCOVERY_DATE: 18563 TJD; 80 DOY; 19/03/21 (yy/mm/dd) DISCOVERY_TIME: 70935 SOD {19:42:15.00} UT LEAD_TIME: 33.565 [days] MAX_DATE: 18597 TJD; 114 DOY; 19/04/24 (yy/mm/dd) MAX_TIME: 33350 SOD {09:15:50.39} UT MAX_UNCERT: 1.040 [days] CUSP_WIDTH: 10.00 +/- 0.71 [days] u0: 0.63 +/- 0.05 [RingUnits] MAX_MAG: 18.2 mag (estimated) BASE_MAG: 18.79 +/- 0.00 [mag] AMPLIFICATION: 1.79 +/- 0.11 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0541.html SUN_POSTN: 29.27d {+01h 57m 04s} +11.97d {+11d 57' 56"} SUN_DIST: 121.57 [deg] Sun_angle= 8.0 [hr] (West of Sun) MOON_POSTN: 240.87d {+16h 03m 30s} -16.92d {-16d 55' 10"} MOON_DIST: 29.47 [deg] GAL_COORDS: 359.68, -2.99 [deg] galactic lon,lat of the burst ECL_COORDS: 269.29, -7.30 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.