////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 02 Jun 12 01:04:24 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201200831 SRC_RA: 268.3711d {+17h 53m 29s} (J2000), 268.5702d {+17h 54m 17s} (current), 267.5640d {+17h 50m 15s} (1950) SRC_DEC: -30.9136d {-30d 54' 48"} (J2000), -30.9154d {-30d 54' 55"} (current), -30.9037d {-30d 54' 12"} (1950) DISCOVERY_DATE: 16049 TJD; 123 DOY; 12/05/02 (yy/mm/dd) DISCOVERY_TIME: 3864 SOD {01:04:24.00} UT LEAD_TIME: 28.394 [days] MAX_DATE: 16077 TJD; 151 DOY; 12/05/30 (yy/mm/dd) MAX_TIME: 37929 SOD {10:32:09.59} UT MAX_UNCERT: 0.150 [days] CUSP_WIDTH: 3.31 +/- 0.21 [days] u0: 0.98 +/- 0.01 [RingUnits] MAX_MAG: 18.9 mag (estimated) BASE_MAG: 19.21 +/- 0.00 [mag] AMPLIFICATION: 1.35 +/- 0.01 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0831.html SUN_POSTN: 70.41d {+04h 41m 37s} +22.22d {+22d 12' 54"} SUN_DIST: 161.61 [deg] Sun_angle= 10.8 [hr] (West of Sun) MOON_POSTN: 214.75d {+14h 19m 01s} -16.31d {-16d 18' 28"} MOON_DIST: 50.92 [deg] GAL_COORDS: 359.18, -2.48 [deg] galactic lon,lat of the burst ECL_COORDS: 268.59, -7.48 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.