////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Mon 15 Apr 19 17:55:30 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900505 SRC_RA: 268.3839d {+17h 53m 32s} (J2000), 268.6956d {+17h 54m 47s} (current), 267.5725d {+17h 50m 17s} (1950) SRC_DEC: -31.5549d {-31d 33' 17"} (J2000), -31.5576d {-31d 33' 26"} (current), -31.5451d {-31d 32' 41"} (1950) DISCOVERY_DATE: 18557 TJD; 74 DOY; 19/03/15 (yy/mm/dd) DISCOVERY_TIME: 64530 SOD {17:55:30.00} UT LEAD_TIME: 31.314 [days] MAX_DATE: 18589 TJD; 106 DOY; 19/04/16 (yy/mm/dd) MAX_TIME: 5270 SOD {01:27:50.40} UT MAX_UNCERT: 0.760 [days] CUSP_WIDTH: 4.33 +/- 0.63 [days] u0: 0.63 +/- 0.06 [RingUnits] MAX_MAG: 18.8 mag (estimated) BASE_MAG: 19.43 +/- 0.00 [mag] AMPLIFICATION: 1.81 +/- 0.14 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0505.html SUN_POSTN: 23.62d {+01h 34m 28s} +9.85d {+09d 51' 07"} SUN_DIST: 116.32 [deg] Sun_angle= 7.7 [hr] (West of Sun) MOON_POSTN: 158.01d {+10h 32m 02s} +13.01d {+13d 00' 19"} MOON_DIST: 114.27 [deg] GAL_COORDS: 358.63, -2.81 [deg] galactic lon,lat of the burst ECL_COORDS: 268.61, -8.12 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.