////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Tue 16 Apr 13 21:04:36 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201300520 SRC_RA: 270.4527d {+18h 01m 49s} (J2000), 270.6613d {+18h 02m 39s} (current), 269.6631d {+17h 58m 39s} (1950) SRC_DEC: -28.1624d {-28d 09' 44"} (J2000), -28.1617d {-28d 09' 41"} (current), -28.1627d {-28d 09' 45"} (1950) DISCOVERY_DATE: 16367 TJD; 75 DOY; 13/03/16 (yy/mm/dd) DISCOVERY_TIME: 75876 SOD {21:04:36.00} UT LEAD_TIME: 32.698 [days] MAX_DATE: 16400 TJD; 108 DOY; 13/04/18 (yy/mm/dd) MAX_TIME: 49766 SOD {13:49:26.39} UT MAX_UNCERT: 0.070 [days] CUSP_WIDTH: 2.65 +/- 0.09 [days] u0: 0.00 +/- 0.17 [RingUnits] MAX_MAG: 8.6 mag (estimated) BASE_MAG: 19.35 +/- 0.00 [mag] AMPLIFICATION: 179.76 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0520.html SUN_POSTN: 25.08d {+01h 40m 20s} +10.41d {+10d 24' 50"} SUN_DIST: 116.35 [deg] Sun_angle= 7.6 [hr] (West of Sun) MOON_POSTN: 99.39d {+06h 37m 33s} +18.95d {+18d 57' 18"} MOON_DIST: 167.81 [deg] GAL_COORDS: 2.47, -2.67 [deg] galactic lon,lat of the burst ECL_COORDS: 270.40, -4.72 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event. COMMENTS: WARNING: Amax_error was 'nan'.