////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Mon 18 Feb 19 22:23:00 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900064 SRC_RA: 262.8343d {+17h 31m 20s} (J2000), 263.1413d {+17h 32m 34s} (current), 262.0290d {+17h 28m 07s} (1950) SRC_DEC: -30.8645d {-30d 51' 51"} (J2000), -30.8774d {-30d 52' 38"} (current), -30.8278d {-30d 49' 39"} (1950) DISCOVERY_DATE: 18501 TJD; 18 DOY; 19/01/18 (yy/mm/dd) DISCOVERY_TIME: 80580 SOD {22:23:00.00} UT LEAD_TIME: -5.430 [days] MAX_DATE: 18496 TJD; 13 DOY; 19/01/13 (yy/mm/dd) MAX_TIME: 43459 SOD {12:04:19.20} UT MAX_UNCERT: 10.480 [days] CUSP_WIDTH: 65.56 +/- 9.05 [days] u0: 0.53 +/- 0.14 [RingUnits] MAX_MAG: 18.8 mag (estimated) BASE_MAG: 19.58 +/- 0.00 [mag] AMPLIFICATION: 2.06 +/- 0.46 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0064.html SUN_POSTN: 332.06d {+22h 08m 15s} -11.48d {-11d 28' 48"} SUN_DIST: 66.13 [deg] Sun_angle= 4.6 [hr] (West of Sun) MOON_POSTN: 142.91d {+09h 31m 39s} +16.87d {+16d 52' 14"} MOON_DIST: 124.23 [deg] GAL_COORDS: 356.72, 1.59 [deg] galactic lon,lat of the burst ECL_COORDS: 263.80, -7.58 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.