////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Mar 18 22:29:57 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800453 SRC_RA: 265.0246d {+17h 40m 06s} (J2000), 265.3081d {+17h 41m 14s} (current), 264.2439d {+17h 36m 59s} (1950) SRC_DEC: -26.8327d {-26d 49' 57"} (J2000), -26.8412d {-26d 50' 27"} (current), -26.8067d {-26d 48' 23"} (1950) DISCOVERY_DATE: 18172 TJD; 54 DOY; 18/02/23 (yy/mm/dd) DISCOVERY_TIME: 80997 SOD {22:29:57.00} UT LEAD_TIME: 24.301 [days] MAX_DATE: 18197 TJD; 79 DOY; 18/03/20 (yy/mm/dd) MAX_TIME: 20563 SOD {05:42:43.19} UT MAX_UNCERT: 0.070 [days] CUSP_WIDTH: 5.75 +/- 0.27 [days] u0: 0.26 +/- 0.00 [RingUnits] MAX_MAG: 18.6 mag (estimated) BASE_MAG: 20.02 +/- 0.00 [mag] AMPLIFICATION: 3.88 +/- 0.07 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0453.html SUN_POSTN: 2.98d {+00h 11m 54s} +1.29d {+01d 17' 20"} SUN_DIST: 97.42 [deg] Sun_angle= 6.5 [hr] (West of Sun) MOON_POSTN: 83.53d {+05h 34m 07s} +19.37d {+19d 22' 02"} MOON_DIST: 172.35 [deg] GAL_COORDS: 1.15, 2.14 [deg] galactic lon,lat of the burst ECL_COORDS: 265.55, -3.47 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.