////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Mar 18 22:28:43 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800417 SRC_RA: 268.5040d {+17h 54m 01s} (J2000), 268.7981d {+17h 55m 12s} (current), 267.6939d {+17h 50m 47s} (1950) SRC_DEC: -31.3679d {-31d 22' 03"} (J2000), -31.3703d {-31d 22' 12"} (current), -31.3587d {-31d 21' 30"} (1950) DISCOVERY_DATE: 18172 TJD; 54 DOY; 18/02/23 (yy/mm/dd) DISCOVERY_TIME: 80923 SOD {22:28:43.00} UT LEAD_TIME: -11.661 [days] MAX_DATE: 18161 TJD; 43 DOY; 18/02/12 (yy/mm/dd) MAX_TIME: 23846 SOD {06:37:26.40} UT MAX_UNCERT: 2.200 [days] CUSP_WIDTH: 130.67 +/- 1.34 [days] u0: 0.56 +/- 0.00 [RingUnits] MAX_MAG: 15.1 mag (estimated) BASE_MAG: 15.83 +/- 0.00 [mag] AMPLIFICATION: 1.96 +/- 0.02 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0417.html SUN_POSTN: 2.98d {+00h 11m 54s} +1.29d {+01d 17' 19"} SUN_DIST: 94.24 [deg] Sun_angle= 6.3 [hr] (West of Sun) MOON_POSTN: 83.52d {+05h 34m 04s} +19.37d {+19d 21' 57"} MOON_DIST: 167.09 [deg] GAL_COORDS: 358.84, -2.81 [deg] galactic lon,lat of the burst ECL_COORDS: 268.71, -7.94 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.