////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 24 Mar 18 21:09:40 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800459 SRC_RA: 269.7762d {+17h 59m 06s} (J2000), 270.0643d {+18h 00m 15s} (current), 268.9826d {+17h 55m 56s} (1950) SRC_DEC: -28.8030d {-28d 48' 10"} (J2000), -28.8031d {-28d 48' 10"} (current), -28.8000d {-28d 47' 59"} (1950) DISCOVERY_DATE: 18173 TJD; 55 DOY; 18/02/24 (yy/mm/dd) DISCOVERY_TIME: 76180 SOD {21:09:40.00} UT LEAD_TIME: 24.867 [days] MAX_DATE: 18198 TJD; 80 DOY; 18/03/21 (yy/mm/dd) MAX_TIME: 64713 SOD {17:58:33.59} UT MAX_UNCERT: 2.120 [days] CUSP_WIDTH: 29.11 +/- 3.02 [days] u0: 0.82 +/- 0.01 [RingUnits] MAX_MAG: 18.7 mag (estimated) BASE_MAG: 19.10 +/- 0.00 [mag] AMPLIFICATION: 1.50 +/- 0.01 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0459.html SUN_POSTN: 3.84d {+00h 15m 21s} +1.66d {+01d 39' 39"} SUN_DIST: 94.10 [deg] Sun_angle= 6.3 [hr] (West of Sun) MOON_POSTN: 97.69d {+06h 30m 45s} +20.21d {+20d 12' 52"} MOON_DIST: 168.97 [deg] GAL_COORDS: 1.62, -2.47 [deg] galactic lon,lat of the burst ECL_COORDS: 269.80, -5.36 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.