////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 17 May 18 12:25:35 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800820 SRC_RA: 269.7661d {+17h 59m 04s} (J2000), 270.0627d {+18h 00m 15s} (current), 268.9555d {+17h 55m 49s} (1950) SRC_DEC: -31.4218d {-31d 25' 17"} (J2000), -31.4220d {-31d 25' 18"} (current), -31.4187d {-31d 25' 06"} (1950) DISCOVERY_DATE: 18225 TJD; 107 DOY; 18/04/17 (yy/mm/dd) DISCOVERY_TIME: 44735 SOD {12:25:35.00} UT LEAD_TIME: 27.551 [days] MAX_DATE: 18253 TJD; 135 DOY; 18/05/15 (yy/mm/dd) MAX_TIME: 5961 SOD {01:39:21.60} UT MAX_UNCERT: 3.050 [days] CUSP_WIDTH: 47.22 +/- 3.19 [days] u0: 0.85 +/- 0.01 [RingUnits] MAX_MAG: 18.6 mag (estimated) BASE_MAG: 18.98 +/- 0.00 [mag] AMPLIFICATION: 1.46 +/- 0.01 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0820.html SUN_POSTN: 54.26d {+03h 37m 02s} +19.38d {+19d 23' 03"} SUN_DIST: 145.68 [deg] Sun_angle= 9.6 [hr] (West of Sun) MOON_POSTN: 83.92d {+05h 35m 41s} +19.73d {+19d 43' 42"} MOON_DIST: 167.07 [deg] GAL_COORDS: 359.34, -3.77 [deg] galactic lon,lat of the burst ECL_COORDS: 269.80, -7.98 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.