////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 28 Apr 19 21:40:21 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900571 SRC_RA: 269.3818d {+17h 57m 32s} (J2000), 269.6918d {+17h 58m 46s} (current), 268.5763d {+17h 54m 18s} (1950) SRC_DEC: -30.6643d {-30d 39' 50"} (J2000), -30.6652d {-30d 39' 54"} (current), -30.6593d {-30d 39' 33"} (1950) DISCOVERY_DATE: 18570 TJD; 87 DOY; 19/03/28 (yy/mm/dd) DISCOVERY_TIME: 78021 SOD {21:40:21.00} UT LEAD_TIME: 31.855 [days] MAX_DATE: 18602 TJD; 119 DOY; 19/04/29 (yy/mm/dd) MAX_TIME: 65491 SOD {18:11:31.19} UT MAX_UNCERT: 1.830 [days] CUSP_WIDTH: 19.64 +/- 1.70 [days] u0: 0.90 +/- 0.02 [RingUnits] MAX_MAG: 19.0 mag (estimated) BASE_MAG: 19.35 +/- 0.00 [mag] AMPLIFICATION: 1.42 +/- 0.02 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0571.html SUN_POSTN: 35.94d {+02h 23m 46s} +14.28d {+14d 16' 32"} SUN_DIST: 128.22 [deg] Sun_angle= 8.4 [hr] (West of Sun) MOON_POSTN: 332.88d {+22h 11m 32s} -14.55d {-14d 32' 44"} MOON_DIST: 59.76 [deg] GAL_COORDS: 359.83, -3.10 [deg] galactic lon,lat of the burst ECL_COORDS: 269.46, -7.23 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.