////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Mon 18 Feb 19 22:20:58 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900004 SRC_RA: 268.0459d {+17h 52m 11s} (J2000), 268.3488d {+17h 53m 24s} (current), 267.2509d {+17h 49m 00s} (1950) SRC_DEC: -29.0507d {-29d 03' 02"} (J2000), -29.0540d {-29d 03' 14"} (current), -29.0393d {-29d 02' 20"} (1950) DISCOVERY_DATE: 18501 TJD; 18 DOY; 19/01/18 (yy/mm/dd) DISCOVERY_TIME: 80458 SOD {22:20:58.00} UT LEAD_TIME: 21.641 [days] MAX_DATE: 18523 TJD; 40 DOY; 19/02/09 (yy/mm/dd) MAX_TIME: 49420 SOD {13:43:40.80} UT MAX_UNCERT: 0.010 [days] CUSP_WIDTH: 9.56 +/- 1.47 [days] u0: 0.00 +/- 0.03 [RingUnits] MAX_MAG: 7.5 mag (estimated) BASE_MAG: 19.76 +/- 0.00 [mag] AMPLIFICATION: 445.94 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0004.html SUN_POSTN: 332.06d {+22h 08m 15s} -11.48d {-11d 28' 49"} SUN_DIST: 61.57 [deg] Sun_angle= 4.2 [hr] (West of Sun) MOON_POSTN: 142.89d {+09h 31m 34s} +16.88d {+16d 52' 33"} MOON_DIST: 128.77 [deg] GAL_COORDS: 0.64, -1.29 [deg] galactic lon,lat of the burst ECL_COORDS: 268.28, -5.62 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event. COMMENTS: WARNING: Amax_error was 'nan'.