////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Feb 18 14:47:09 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800182 SRC_RA: 268.5815d {+17h 54m 20s} (J2000), 268.8675d {+17h 55m 28s} (current), 267.7899d {+17h 51m 10s} (1950) SRC_DEC: -28.5078d {-28d 30' 27"} (J2000), -28.5100d {-28d 30' 35"} (current), -28.4990d {-28d 29' 55"} (1950) DISCOVERY_DATE: 18141 TJD; 23 DOY; 18/01/23 (yy/mm/dd) DISCOVERY_TIME: 53229 SOD {14:47:09.00} UT LEAD_TIME: 34.950 [days] MAX_DATE: 18176 TJD; 58 DOY; 18/02/27 (yy/mm/dd) MAX_TIME: 48902 SOD {13:35:02.40} UT MAX_UNCERT: 3.720 [days] CUSP_WIDTH: 23.82 +/- 4.24 [days] u0: 0.86 +/- 0.03 [RingUnits] MAX_MAG: 18.0 mag (estimated) BASE_MAG: 18.37 +/- 0.00 [mag] AMPLIFICATION: 1.46 +/- 0.03 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0182.html SUN_POSTN: 336.78d {+22h 27m 06s} -9.70d {-09d 41' 59"} SUN_DIST: 66.04 [deg] Sun_angle= 4.5 [hr] (West of Sun) MOON_POSTN: 67.64d {+04h 30m 33s} +17.01d {+17d 00' 27"} MOON_DIST: 157.35 [deg] GAL_COORDS: 1.35, -1.42 [deg] galactic lon,lat of the burst ECL_COORDS: 268.75, -5.07 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.