////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 23 Mar 18 22:29:55 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800452 SRC_RA: 265.6523d {+17h 42m 37s} (J2000), 265.9362d {+17h 43m 45s} (current), 264.8703d {+17h 39m 29s} (1950) SRC_DEC: -27.0219d {-27d 01' 18"} (J2000), -27.0293d {-27d 01' 45"} (current), -26.9989d {-26d 59' 55"} (1950) DISCOVERY_DATE: 18172 TJD; 54 DOY; 18/02/23 (yy/mm/dd) DISCOVERY_TIME: 80995 SOD {22:29:55.00} UT LEAD_TIME: 22.877 [days] MAX_DATE: 18195 TJD; 77 DOY; 18/03/18 (yy/mm/dd) MAX_TIME: 70329 SOD {19:32:09.59} UT MAX_UNCERT: 0.040 [days] CUSP_WIDTH: 2.20 +/- 0.08 [days] u0: 0.08 +/- 0.00 [RingUnits] MAX_MAG: 17.7 mag (estimated) BASE_MAG: 20.33 +/- 0.00 [mag] AMPLIFICATION: 11.09 +/- 0.32 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0452.html SUN_POSTN: 2.98d {+00h 11m 54s} +1.29d {+01d 17' 20"} SUN_DIST: 96.86 [deg] Sun_angle= 6.5 [hr] (West of Sun) MOON_POSTN: 83.53d {+05h 34m 07s} +19.37d {+19d 22' 01"} MOON_DIST: 172.03 [deg] GAL_COORDS: 1.28, 1.57 [deg] galactic lon,lat of the burst ECL_COORDS: 266.12, -3.64 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.