////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Mar 18 22:28:57 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800424 SRC_RA: 271.8671d {+18h 07m 28s} (J2000), 272.1476d {+18h 08m 35s} (current), 271.0944d {+18h 04m 23s} (1950) SRC_DEC: -25.4063d {-25d 24' 22"} (J2000), -25.4028d {-25d 24' 09"} (current), -25.4135d {-25d 24' 48"} (1950) DISCOVERY_DATE: 18172 TJD; 54 DOY; 18/02/23 (yy/mm/dd) DISCOVERY_TIME: 80937 SOD {22:28:57.00} UT LEAD_TIME: 257.839 [days] MAX_DATE: 18430 TJD; 312 DOY; 18/11/08 (yy/mm/dd) MAX_TIME: 67046 SOD {18:37:26.40} UT MAX_UNCERT: 9.230 [days] CUSP_WIDTH: 134.71 +/- 5.10 [days] u0: 0.00 +/- 0.78 [RingUnits] MAX_MAG: 8.2 mag (estimated) BASE_MAG: 15.65 +/- 0.00 [mag] AMPLIFICATION: 276.43 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0424.html SUN_POSTN: 2.98d {+00h 11m 54s} +1.29d {+01d 17' 19"} SUN_DIST: 91.30 [deg] Sun_angle= 6.1 [hr] (West of Sun) MOON_POSTN: 83.52d {+05h 34m 05s} +19.37d {+19d 21' 58"} MOON_DIST: 170.00 [deg] GAL_COORDS: 5.49, -2.43 [deg] galactic lon,lat of the burst ECL_COORDS: 271.69, -1.98 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event. COMMENTS: WARNING: Amax_error was 'nan'.