////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Mar 18 22:28:47 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800419 SRC_RA: 268.5477d {+17h 54m 11s} (J2000), 268.8437d {+17h 55m 22s} (current), 267.7324d {+17h 50m 56s} (1950) SRC_DEC: -32.1401d {-32d 08' 23"} (J2000), -32.1424d {-32d 08' 32"} (current), -32.1311d {-32d 07' 51"} (1950) DISCOVERY_DATE: 18172 TJD; 54 DOY; 18/02/23 (yy/mm/dd) DISCOVERY_TIME: 80927 SOD {22:28:47.00} UT LEAD_TIME: 47.583 [days] MAX_DATE: 18220 TJD; 102 DOY; 18/04/12 (yy/mm/dd) MAX_TIME: 44928 SOD {12:28:48.00} UT MAX_UNCERT: 8.070 [days] CUSP_WIDTH: 19.89 +/- 2.73 [days] u0: 0.84 +/- 0.35 [RingUnits] MAX_MAG: 17.2 mag (estimated) BASE_MAG: 17.62 +/- 0.00 [mag] AMPLIFICATION: 1.47 +/- 0.39 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0419.html SUN_POSTN: 2.98d {+00h 11m 54s} +1.29d {+01d 17' 19"} SUN_DIST: 94.18 [deg] Sun_angle= 6.3 [hr] (West of Sun) MOON_POSTN: 83.52d {+05h 34m 04s} +19.37d {+19d 21' 57"} MOON_DIST: 166.36 [deg] GAL_COORDS: 358.19, -3.23 [deg] galactic lon,lat of the burst ECL_COORDS: 268.76, -8.71 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.