////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Mon 26 Feb 18 20:30:29 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800256 SRC_RA: 274.0184d {+18h 16m 04s} (J2000), 274.3014d {+18h 17m 12s} (current), 273.2353d {+18h 12m 56s} (1950) SRC_DEC: -27.1595d {-27d 09' 33"} (J2000), -27.1522d {-27d 09' 07"} (current), -27.1771d {-27d 10' 37"} (1950) DISCOVERY_DATE: 18144 TJD; 26 DOY; 18/01/26 (yy/mm/dd) DISCOVERY_TIME: 73829 SOD {20:30:29.00} UT LEAD_TIME: -10.988 [days] MAX_DATE: 18133 TJD; 15 DOY; 18/01/15 (yy/mm/dd) MAX_TIME: 74908 SOD {20:48:28.80} UT MAX_UNCERT: 1.950 [days] CUSP_WIDTH: 31.00 +/- 0.96 [days] u0: 1.23 +/- 0.06 [RingUnits] MAX_MAG: 14.8 mag (estimated) BASE_MAG: 14.98 +/- 0.00 [mag] AMPLIFICATION: 1.21 +/- 0.02 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0256.html SUN_POSTN: 339.84d {+22h 39m 22s} -8.50d {-08d 29' 45"} SUN_DIST: 64.42 [deg] Sun_angle= 4.4 [hr] (West of Sun) MOON_POSTN: 116.88d {+07h 47m 30s} +19.49d {+19d 29' 17"} MOON_DIST: 157.94 [deg] GAL_COORDS: 4.87, -4.96 [deg] galactic lon,lat of the burst ECL_COORDS: 273.58, -3.77 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.