////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 25 May 17 20:23:48 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201700847 SRC_RA: 269.4699d {+17h 57m 53s} (J2000), 269.7430d {+17h 58m 58s} (current), 268.6816d {+17h 54m 44s} (1950) SRC_DEC: -27.9718d {-27d 58' 17"} (J2000), -27.9725d {-27d 58' 20"} (current), -27.9673d {-27d 58' 01"} (1950) DISCOVERY_DATE: 17868 TJD; 115 DOY; 17/04/25 (yy/mm/dd) DISCOVERY_TIME: 73428 SOD {20:23:48.00} UT LEAD_TIME: 27.038 [days] MAX_DATE: 17895 TJD; 142 DOY; 17/05/22 (yy/mm/dd) MAX_TIME: 76723 SOD {21:18:43.19} UT MAX_UNCERT: 0.080 [days] CUSP_WIDTH: 16.34 +/- 1.68 [days] u0: 0.19 +/- 0.03 [RingUnits] MAX_MAG: 15.4 mag (estimated) BASE_MAG: 17.21 +/- 0.00 [mag] AMPLIFICATION: 5.24 +/- 0.84 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0847.html SUN_POSTN: 62.86d {+04h 11m 26s} +21.09d {+21d 05' 40"} SUN_DIST: 154.66 [deg] Sun_angle= 10.2 [hr] (West of Sun) MOON_POSTN: 64.26d {+04h 17m 03s} +16.33d {+16d 19' 57"} MOON_DIST: 153.77 [deg] GAL_COORDS: 2.20, -1.83 [deg] galactic lon,lat of the burst ECL_COORDS: 269.53, -4.53 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.