////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 18 Feb 17 20:17:25 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201700121 SRC_RA: 268.5745d {+17h 54m 18s} (J2000), 268.8484d {+17h 55m 24s} (current), 267.7716d {+17h 51m 05s} (1950) SRC_DEC: -30.2772d {-30d 16' 37"} (J2000), -30.2793d {-30d 16' 45"} (current), -30.2683d {-30d 16' 05"} (1950) DISCOVERY_DATE: 17771 TJD; 18 DOY; 17/01/18 (yy/mm/dd) DISCOVERY_TIME: 73045 SOD {20:17:25.00} UT LEAD_TIME: 28.252 [days] MAX_DATE: 17800 TJD; 47 DOY; 17/02/16 (yy/mm/dd) MAX_TIME: 8380 SOD {02:19:40.80} UT MAX_UNCERT: 2.080 [days] CUSP_WIDTH: 20.25 +/- 4.43 [days] u0: 0.70 +/- 0.01 [RingUnits] MAX_MAG: 18.5 mag (estimated) BASE_MAG: 19.07 +/- 0.00 [mag] AMPLIFICATION: 1.67 +/- 0.02 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0121.html SUN_POSTN: 332.45d {+22h 09m 47s} -11.34d {-11d 20' 19"} SUN_DIST: 61.60 [deg] Sun_angle= 4.2 [hr] (West of Sun) MOON_POSTN: 239.62d {+15h 58m 29s} -15.10d {-15d 06' 15"} MOON_DIST: 30.80 [deg] GAL_COORDS: 359.82, -2.31 [deg] galactic lon,lat of the burst ECL_COORDS: 268.76, -6.84 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.