////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 24 Mar 18 21:10:08 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800473 SRC_RA: 264.3709d {+17h 37m 29s} (J2000), 264.6486d {+17h 38m 36s} (current), 263.6063d {+17h 34m 26s} (1950) SRC_DEC: -24.1623d {-24d 09' 43"} (J2000), -24.1720d {-24d 10' 18"} (current), -24.1331d {-24d 07' 58"} (1950) DISCOVERY_DATE: 18173 TJD; 55 DOY; 18/02/24 (yy/mm/dd) DISCOVERY_TIME: 76208 SOD {21:10:08.00} UT LEAD_TIME: 22.153 [days] MAX_DATE: 18196 TJD; 78 DOY; 18/03/19 (yy/mm/dd) MAX_TIME: 3024 SOD {00:50:24.00} UT MAX_UNCERT: 0.040 [days] CUSP_WIDTH: 8.72 +/- 0.42 [days] u0: 0.11 +/- 0.00 [RingUnits] MAX_MAG: 17.9 mag (estimated) BASE_MAG: 20.19 +/- 0.01 [mag] AMPLIFICATION: 8.54 +/- 0.47 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0473.html SUN_POSTN: 3.84d {+00h 15m 21s} +1.66d {+01d 39' 39"} SUN_DIST: 99.06 [deg] Sun_angle= 6.6 [hr] (West of Sun) MOON_POSTN: 97.69d {+06h 30m 46s} +20.21d {+20d 12' 52"} MOON_DIST: 167.30 [deg] GAL_COORDS: 3.10, 4.06 [deg] galactic lon,lat of the burst ECL_COORDS: 264.86, -0.82 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.