////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 18 May 18 07:55:50 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800826 SRC_RA: 267.7587d {+17h 51m 02s} (J2000), 268.0520d {+17h 52m 12s} (current), 266.9572d {+17h 47m 50s} (1950) SRC_DEC: -30.0760d {-30d 04' 33"} (J2000), -30.0797d {-30d 04' 46"} (current), -30.0632d {-30d 03' 46"} (1950) DISCOVERY_DATE: 18226 TJD; 108 DOY; 18/04/18 (yy/mm/dd) DISCOVERY_TIME: 28550 SOD {07:55:50.00} UT LEAD_TIME: 28.834 [days] MAX_DATE: 18255 TJD; 137 DOY; 18/05/17 (yy/mm/dd) MAX_TIME: 14169 SOD {03:56:09.59} UT MAX_UNCERT: 1.090 [days] CUSP_WIDTH: 4.02 +/- 0.91 [days] u0: 1.09 +/- 0.05 [RingUnits] MAX_MAG: 19.0 mag (estimated) BASE_MAG: 19.23 +/- 0.00 [mag] AMPLIFICATION: 1.28 +/- 0.02 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0826.html SUN_POSTN: 55.07d {+03h 40m 16s} +19.56d {+19d 33' 51"} SUN_DIST: 148.40 [deg] Sun_angle= 9.8 [hr] (West of Sun) MOON_POSTN: 96.61d {+06h 26m 25s} +20.50d {+20d 29' 55"} MOON_DIST: 167.70 [deg] GAL_COORDS: 359.63, -1.60 [deg] galactic lon,lat of the burst ECL_COORDS: 268.05, -6.65 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.