////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 22 Feb 18 15:03:50 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800160 SRC_RA: 263.3652d {+17h 33m 28s} (J2000), 263.6513d {+17h 34m 36s} (current), 262.5734d {+17h 30m 18s} (1950) SRC_DEC: -28.7141d {-28d 42' 50"} (J2000), -28.7255d {-28d 43' 31"} (current), -28.6800d {-28d 40' 47"} (1950) DISCOVERY_DATE: 18140 TJD; 22 DOY; 18/01/22 (yy/mm/dd) DISCOVERY_TIME: 54230 SOD {15:03:50.00} UT LEAD_TIME: 27.720 [days] MAX_DATE: 18168 TJD; 50 DOY; 18/02/19 (yy/mm/dd) MAX_TIME: 30067 SOD {08:21:07.20} UT MAX_UNCERT: 1.400 [days] CUSP_WIDTH: 6.88 +/- 2.45 [days] u0: 1.27 +/- 0.01 [RingUnits] MAX_MAG: 16.9 mag (estimated) BASE_MAG: 17.15 +/- 0.00 [mag] AMPLIFICATION: 1.20 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0160.html SUN_POSTN: 335.84d {+22h 23m 21s} -10.06d {-10d 03' 43"} SUN_DIST: 69.63 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 53.74d {+03h 34m 58s} +13.93d {+13d 55' 31"} MOON_DIST: 148.59 [deg] GAL_COORDS: 358.77, 2.37 [deg] galactic lon,lat of the burst ECL_COORDS: 264.16, -5.41 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.