////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Feb 18 14:48:20 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800217 SRC_RA: 263.5947d {+17h 34m 23s} (J2000), 263.8829d {+17h 35m 32s} (current), 262.7972d {+17h 31m 11s} (1950) SRC_DEC: -29.6058d {-29d 36' 20"} (J2000), -29.6168d {-29d 37' 00"} (current), -29.5728d {-29d 34' 21"} (1950) DISCOVERY_DATE: 18141 TJD; 23 DOY; 18/01/23 (yy/mm/dd) DISCOVERY_TIME: 53300 SOD {14:48:20.00} UT LEAD_TIME: 43.682 [days] MAX_DATE: 18185 TJD; 67 DOY; 18/03/08 (yy/mm/dd) MAX_TIME: 25833 SOD {07:10:33.60} UT MAX_UNCERT: 13.090 [days] CUSP_WIDTH: 18.81 +/- 8.37 [days] u0: 0.73 +/- 0.44 [RingUnits] MAX_MAG: 18.8 mag (estimated) BASE_MAG: 19.30 +/- 0.00 [mag] AMPLIFICATION: 1.62 +/- 0.69 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0217.html SUN_POSTN: 336.78d {+22h 27m 06s} -9.70d {-09d 41' 57"} SUN_DIST: 70.41 [deg] Sun_angle= 4.9 [hr] (West of Sun) MOON_POSTN: 67.65d {+04h 30m 36s} +17.01d {+17d 00' 35"} MOON_DIST: 160.52 [deg] GAL_COORDS: 358.13, 1.72 [deg] galactic lon,lat of the burst ECL_COORDS: 264.40, -6.29 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.