////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 23 Apr 17 06:51:20 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201700598 SRC_RA: 271.0198d {+18h 04m 05s} (J2000), 271.2958d {+18h 05m 11s} (current), 270.2186d {+18h 00m 52s} (1950) SRC_DEC: -29.9961d {-29d 59' 45"} (J2000), -29.9942d {-29d 59' 38"} (current), -29.9991d {-29d 59' 56"} (1950) DISCOVERY_DATE: 17835 TJD; 82 DOY; 17/03/23 (yy/mm/dd) DISCOVERY_TIME: 24680 SOD {06:51:20.00} UT LEAD_TIME: 35.545 [days] MAX_DATE: 17870 TJD; 117 DOY; 17/04/27 (yy/mm/dd) MAX_TIME: 71798 SOD {19:56:38.39} UT MAX_UNCERT: 2.270 [days] CUSP_WIDTH: 21.01 +/- 2.03 [days] u0: 0.40 +/- 0.05 [RingUnits] MAX_MAG: 18.5 mag (estimated) BASE_MAG: 19.53 +/- 0.00 [mag] AMPLIFICATION: 2.63 +/- 0.33 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0598.html SUN_POSTN: 31.09d {+02h 04m 22s} +12.62d {+12d 37' 09"} SUN_DIST: 121.95 [deg] Sun_angle= 8.0 [hr] (West of Sun) MOON_POSTN: 351.22d {+23h 24m 52s} -5.57d {-05d 34' 14"} MOON_DIST: 78.50 [deg] GAL_COORDS: 1.11, -4.00 [deg] galactic lon,lat of the burst ECL_COORDS: 270.89, -6.56 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.