////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 24 Feb 18 20:50:37 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800224 SRC_RA: 269.3664d {+17h 57m 28s} (J2000), 269.6600d {+17h 58m 38s} (current), 268.5539d {+17h 54m 13s} (1950) SRC_DEC: -31.7076d {-31d 42' 26"} (J2000), -31.7085d {-31d 42' 29"} (current), -31.7025d {-31d 42' 08"} (1950) DISCOVERY_DATE: 18142 TJD; 24 DOY; 18/01/24 (yy/mm/dd) DISCOVERY_TIME: 75037 SOD {20:50:37.00} UT LEAD_TIME: 36.946 [days] MAX_DATE: 18179 TJD; 61 DOY; 18/03/02 (yy/mm/dd) MAX_TIME: 70329 SOD {19:32:09.59} UT MAX_UNCERT: 11.900 [days] CUSP_WIDTH: 37.30 +/- 13.25 [days] u0: 0.92 +/- 0.07 [RingUnits] MAX_MAG: 18.8 mag (estimated) BASE_MAG: 19.20 +/- 0.00 [mag] AMPLIFICATION: 1.39 +/- 0.06 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0224.html SUN_POSTN: 337.96d {+22h 31m 51s} -9.24d {-09d 14' 13"} SUN_DIST: 66.75 [deg] Sun_angle= 4.6 [hr] (West of Sun) MOON_POSTN: 86.19d {+05h 44m 45s} +19.54d {+19d 32' 40"} MOON_DIST: 167.44 [deg] GAL_COORDS: 358.92, -3.61 [deg] galactic lon,lat of the burst ECL_COORDS: 269.46, -8.27 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.