////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Wed 07 Mar 18 02:01:33 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800316 SRC_RA: 263.6191d {+17h 34m 29s} (J2000), 263.8961d {+17h 35m 35s} (current), 262.8542d {+17h 31m 25s} (1950) SRC_DEC: -24.2338d {-24d 14' 01"} (J2000), -24.2448d {-24d 14' 40"} (current), -24.2010d {-24d 12' 03"} (1950) DISCOVERY_DATE: 18156 TJD; 38 DOY; 18/02/07 (yy/mm/dd) DISCOVERY_TIME: 7293 SOD {02:01:33.00} UT LEAD_TIME: -18.176 [days] MAX_DATE: 18137 TJD; 19 DOY; 18/01/19 (yy/mm/dd) MAX_TIME: 78451 SOD {21:47:31.19} UT MAX_UNCERT: 2.970 [days] CUSP_WIDTH: 50.78 +/- 1.81 [days] u0: 0.70 +/- 0.06 [RingUnits] MAX_MAG: 16.5 mag (estimated) BASE_MAG: 17.05 +/- 0.00 [mag] AMPLIFICATION: 1.67 +/- 0.11 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0316.html SUN_POSTN: 347.53d {+23h 10m 07s} -5.35d {-05d 20' 49"} SUN_DIST: 82.01 [deg] Sun_angle= 5.6 [hr] (West of Sun) MOON_POSTN: 228.68d {+15h 14m 42s} -12.64d {-12d 38' 29"} MOON_DIST: 35.24 [deg] GAL_COORDS: 2.67, 4.60 [deg] galactic lon,lat of the burst ECL_COORDS: 264.18, -0.92 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.