////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Tue 30 May 17 18:37:37 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201700920 SRC_RA: 269.9537d {+17h 59m 49s} (J2000), 270.2277d {+18h 00m 55s} (current), 269.1631d {+17h 56m 39s} (1950) SRC_DEC: -28.3326d {-28d 19' 56"} (J2000), -28.3324d {-28d 19' 56"} (current), -28.3305d {-28d 19' 49"} (1950) DISCOVERY_DATE: 17873 TJD; 120 DOY; 17/04/30 (yy/mm/dd) DISCOVERY_TIME: 67057 SOD {18:37:37.00} UT LEAD_TIME: 32.409 [days] MAX_DATE: 17906 TJD; 153 DOY; 17/06/02 (yy/mm/dd) MAX_TIME: 15984 SOD {04:26:24.00} UT MAX_UNCERT: 1.840 [days] CUSP_WIDTH: 9.99 +/- 0.94 [days] u0: 1.21 +/- 0.05 [RingUnits] MAX_MAG: 17.7 mag (estimated) BASE_MAG: 17.90 +/- 0.00 [mag] AMPLIFICATION: 1.22 +/- 0.02 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0920.html SUN_POSTN: 67.87d {+04h 31m 29s} +21.88d {+21d 52' 41"} SUN_DIST: 158.79 [deg] Sun_angle= 10.5 [hr] (West of Sun) MOON_POSTN: 140.01d {+09h 20m 03s} +14.53d {+14d 31' 44"} MOON_DIST: 132.00 [deg] GAL_COORDS: 2.10, -2.38 [deg] galactic lon,lat of the burst ECL_COORDS: 269.96, -4.89 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.