////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 24 Mar 18 21:09:44 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800461 SRC_RA: 270.5207d {+18h 02m 05s} (J2000), 270.8171d {+18h 03m 16s} (current), 269.7043d {+17h 58m 49s} (1950) SRC_DEC: -32.2884d {-32d 17' 17"} (J2000), -32.2872d {-32d 17' 13"} (current), -32.2889d {-32d 17' 19"} (1950) DISCOVERY_DATE: 18173 TJD; 55 DOY; 18/02/24 (yy/mm/dd) DISCOVERY_TIME: 76184 SOD {21:09:44.00} UT LEAD_TIME: 31.506 [days] MAX_DATE: 18205 TJD; 87 DOY; 18/03/28 (yy/mm/dd) MAX_TIME: 33523 SOD {09:18:43.19} UT MAX_UNCERT: 2.000 [days] CUSP_WIDTH: 23.60 +/- 2.80 [days] u0: 0.18 +/- 0.08 [RingUnits] MAX_MAG: 17.6 mag (estimated) BASE_MAG: 19.46 +/- 0.00 [mag] AMPLIFICATION: 5.51 +/- 2.35 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0461.html SUN_POSTN: 3.84d {+00h 15m 21s} +1.66d {+01d 39' 39"} SUN_DIST: 93.44 [deg] Sun_angle= 6.2 [hr] (West of Sun) MOON_POSTN: 97.69d {+06h 30m 45s} +20.21d {+20d 12' 52"} MOON_DIST: 166.45 [deg] GAL_COORDS: 358.90, -4.75 [deg] galactic lon,lat of the burst ECL_COORDS: 270.45, -8.85 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.