////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 22 Feb 18 15:04:22 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800176 SRC_RA: 265.2432d {+17h 40m 58s} (J2000), 265.5261d {+17h 42m 06s} (current), 264.4604d {+17h 37m 50s} (1950) SRC_DEC: -27.1786d {-27d 10' 42"} (J2000), -27.1867d {-27d 11' 11"} (current), -27.1536d {-27d 09' 12"} (1950) DISCOVERY_DATE: 18140 TJD; 22 DOY; 18/01/22 (yy/mm/dd) DISCOVERY_TIME: 54262 SOD {15:04:22.00} UT LEAD_TIME: 16.864 [days] MAX_DATE: 18157 TJD; 39 DOY; 18/02/08 (yy/mm/dd) MAX_TIME: 42508 SOD {11:48:28.80} UT MAX_UNCERT: 3.080 [days] CUSP_WIDTH: 33.52 +/- 5.64 [days] u0: 0.42 +/- 0.03 [RingUnits] MAX_MAG: 17.7 mag (estimated) BASE_MAG: 18.73 +/- 0.00 [mag] AMPLIFICATION: 2.53 +/- 0.17 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0176.html SUN_POSTN: 335.84d {+22h 23m 21s} -10.06d {-10d 03' 43"} SUN_DIST: 67.98 [deg] Sun_angle= 4.7 [hr] (West of Sun) MOON_POSTN: 53.74d {+03h 34m 59s} +13.93d {+13d 55' 36"} MOON_DIST: 147.55 [deg] GAL_COORDS: 0.96, 1.80 [deg] galactic lon,lat of the burst ECL_COORDS: 265.76, -3.81 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.