////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Tue 30 Apr 19 20:54:22 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900617 SRC_RA: 265.1015d {+17h 40m 24s} (J2000), 265.4035d {+17h 41m 37s} (current), 264.3172d {+17h 37m 16s} (1950) SRC_DEC: -27.4308d {-27d 25' 50"} (J2000), -27.4397d {-27d 26' 22"} (current), -27.4051d {-27d 24' 17"} (1950) DISCOVERY_DATE: 18572 TJD; 89 DOY; 19/03/30 (yy/mm/dd) DISCOVERY_TIME: 75262 SOD {20:54:22.00} UT LEAD_TIME: 33.434 [days] MAX_DATE: 18606 TJD; 123 DOY; 19/05/03 (yy/mm/dd) MAX_TIME: 26352 SOD {07:19:12.00} UT MAX_UNCERT: 1.520 [days] CUSP_WIDTH: 3.63 +/- 0.59 [days] u0: 1.02 +/- 0.28 [RingUnits] MAX_MAG: 17.6 mag (estimated) BASE_MAG: 17.91 +/- 0.00 [mag] AMPLIFICATION: 1.32 +/- 0.18 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0617.html SUN_POSTN: 37.81d {+02h 31m 15s} +14.88d {+14d 53' 02"} SUN_DIST: 134.17 [deg] Sun_angle= 8.8 [hr] (West of Sun) MOON_POSTN: 355.43d {+23h 41m 44s} -6.80d {-06d 48' 08"} MOON_DIST: 86.90 [deg] GAL_COORDS: 0.68, 1.77 [deg] galactic lon,lat of the burst ECL_COORDS: 265.64, -4.07 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.