////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Feb 18 14:47:12 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800183 SRC_RA: 267.9781d {+17h 51m 55s} (J2000), 268.2631d {+17h 53m 03s} (current), 267.1894d {+17h 48m 45s} (1950) SRC_DEC: -28.0496d {-28d 02' 58"} (J2000), -28.0529d {-28d 03' 09"} (current), -28.0379d {-28d 02' 15"} (1950) DISCOVERY_DATE: 18141 TJD; 23 DOY; 18/01/23 (yy/mm/dd) DISCOVERY_TIME: 53232 SOD {14:47:12.00} UT LEAD_TIME: 20.344 [days] MAX_DATE: 18161 TJD; 43 DOY; 18/02/12 (yy/mm/dd) MAX_TIME: 82943 SOD {23:02:23.99} UT MAX_UNCERT: 12.120 [days] CUSP_WIDTH: 164.12 +/- 13.50 [days] u0: 0.36 +/- 0.01 [RingUnits] MAX_MAG: 19.7 mag (estimated) BASE_MAG: 20.86 +/- 0.01 [mag] AMPLIFICATION: 2.86 +/- 0.07 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0183.html SUN_POSTN: 336.78d {+22h 27m 06s} -9.70d {-09d 41' 58"} SUN_DIST: 66.55 [deg] Sun_angle= 4.6 [hr] (West of Sun) MOON_POSTN: 67.64d {+04h 30m 33s} +17.01d {+17d 00' 28"} MOON_DIST: 158.03 [deg] GAL_COORDS: 1.47, -0.73 [deg] galactic lon,lat of the burst ECL_COORDS: 268.21, -4.62 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.