////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 24 Mar 18 21:10:16 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800477 SRC_RA: 264.6734d {+17h 38m 42s} (J2000), 264.9605d {+17h 39m 51s} (current), 263.8828d {+17h 35m 32s} (1950) SRC_DEC: -28.4679d {-28d 28' 03"} (J2000), -28.4770d {-28d 28' 36"} (current), -28.4401d {-28d 26' 24"} (1950) DISCOVERY_DATE: 18173 TJD; 55 DOY; 18/02/24 (yy/mm/dd) DISCOVERY_TIME: 76216 SOD {21:10:16.00} UT LEAD_TIME: 24.998 [days] MAX_DATE: 18198 TJD; 80 DOY; 18/03/21 (yy/mm/dd) MAX_TIME: 76031 SOD {21:07:11.99} UT MAX_UNCERT: 0.560 [days] CUSP_WIDTH: 8.53 +/- 1.22 [days] u0: 0.67 +/- 0.02 [RingUnits] MAX_MAG: 18.9 mag (estimated) BASE_MAG: 19.48 +/- 0.00 [mag] AMPLIFICATION: 1.72 +/- 0.04 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0477.html SUN_POSTN: 3.84d {+00h 15m 21s} +1.66d {+01d 39' 39"} SUN_DIST: 98.59 [deg] Sun_angle= 6.6 [hr] (West of Sun) MOON_POSTN: 97.69d {+06h 30m 47s} +20.21d {+20d 12' 52"} MOON_DIST: 165.77 [deg] GAL_COORDS: 359.60, 1.54 [deg] galactic lon,lat of the burst ECL_COORDS: 265.30, -5.12 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.