////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 22 Feb 18 15:02:06 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800108 SRC_RA: 270.7382d {+18h 02m 57s} (J2000), 271.0305d {+18h 04m 07s} (current), 269.9289d {+17h 59m 43s} (1950) SRC_DEC: -31.2247d {-31d 13' 28"} (J2000), -31.2231d {-31d 13' 22"} (current), -31.2263d {-31d 13' 34"} (1950) DISCOVERY_DATE: 18140 TJD; 22 DOY; 18/01/22 (yy/mm/dd) DISCOVERY_TIME: 54126 SOD {15:02:06.00} UT LEAD_TIME: 4.966 [days] MAX_DATE: 18145 TJD; 27 DOY; 18/01/27 (yy/mm/dd) MAX_TIME: 51148 SOD {14:12:28.80} UT MAX_UNCERT: 6.510 [days] CUSP_WIDTH: 49.24 +/- 4.43 [days] u0: 0.72 +/- 0.07 [RingUnits] MAX_MAG: 17.6 mag (estimated) BASE_MAG: 18.11 +/- 0.00 [mag] AMPLIFICATION: 1.63 +/- 0.11 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0108.html SUN_POSTN: 335.83d {+22h 23m 20s} -10.06d {-10d 03' 45"} SUN_DIST: 63.32 [deg] Sun_angle= 4.3 [hr] (West of Sun) MOON_POSTN: 53.72d {+03h 34m 54s} +13.92d {+13d 55' 16"} MOON_DIST: 141.71 [deg] GAL_COORDS: 359.92, -4.39 [deg] galactic lon,lat of the burst ECL_COORDS: 270.64, -7.79 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.