////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 25 May 17 20:24:00 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201700853 SRC_RA: 268.8537d {+17h 55m 25s} (J2000), 269.1284d {+17h 56m 31s} (current), 268.0607d {+17h 52m 15s} (1950) SRC_DEC: -28.7188d {-28d 43' 07"} (J2000), -28.7205d {-28d 43' 13"} (current), -28.7113d {-28d 42' 40"} (1950) DISCOVERY_DATE: 17868 TJD; 115 DOY; 17/04/25 (yy/mm/dd) DISCOVERY_TIME: 73440 SOD {20:24:00.00} UT LEAD_TIME: 21.242 [days] MAX_DATE: 17890 TJD; 137 DOY; 17/05/17 (yy/mm/dd) MAX_TIME: 7948 SOD {02:12:28.80} UT MAX_UNCERT: 0.090 [days] CUSP_WIDTH: 8.47 +/- 0.28 [days] u0: 0.13 +/- 0.00 [RingUnits] MAX_MAG: 18.4 mag (estimated) BASE_MAG: 20.62 +/- 0.00 [mag] AMPLIFICATION: 7.66 +/- 0.26 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0853.html SUN_POSTN: 62.86d {+04h 11m 26s} +21.09d {+21d 05' 40"} SUN_DIST: 155.05 [deg] Sun_angle= 10.2 [hr] (West of Sun) MOON_POSTN: 64.27d {+04h 17m 04s} +16.33d {+16d 19' 58"} MOON_DIST: 153.99 [deg] GAL_COORDS: 1.29, -1.73 [deg] galactic lon,lat of the burst ECL_COORDS: 268.99, -5.28 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.