////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Tue 24 Apr 12 19:58:22 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201200520 SRC_RA: 268.8379d {+17h 55m 21s} (J2000), 269.0354d {+17h 56m 09s} (current), 268.0304d {+17h 52m 07s} (1950) SRC_DEC: -30.9717d {-30d 58' 17"} (J2000), -30.9730d {-30d 58' 22"} (current), -30.9641d {-30d 57' 50"} (1950) DISCOVERY_DATE: 16010 TJD; 84 DOY; 12/03/24 (yy/mm/dd) DISCOVERY_TIME: 71902 SOD {19:58:22.00} UT LEAD_TIME: 36.328 [days] MAX_DATE: 16047 TJD; 121 DOY; 12/04/30 (yy/mm/dd) MAX_TIME: 13824 SOD {03:50:24.00} UT MAX_UNCERT: 2.640 [days] CUSP_WIDTH: 22.64 +/- 2.29 [days] u0: 0.45 +/- 0.06 [RingUnits] MAX_MAG: 19.2 mag (estimated) BASE_MAG: 20.17 +/- 0.00 [mag] AMPLIFICATION: 2.36 +/- 0.30 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0520.html SUN_POSTN: 32.75d {+02h 10m 59s} +13.20d {+13d 11' 50"} SUN_DIST: 125.51 [deg] Sun_angle= 8.2 [hr] (West of Sun) MOON_POSTN: 71.85d {+04h 47m 24s} +21.62d {+21d 37' 08"} MOON_DIST: 162.01 [deg] GAL_COORDS: 359.33, -2.85 [deg] galactic lon,lat of the burst ECL_COORDS: 268.99, -7.54 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.