////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Fri 20 Apr 18 12:30:08 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800638 SRC_RA: 269.5822d {+17h 58m 20s} (J2000), 269.8736d {+17h 59m 30s} (current), 268.7824d {+17h 55m 08s} (1950) SRC_DEC: -29.7807d {-29d 46' 50"} (J2000), -29.7812d {-29d 46' 51"} (current), -29.7767d {-29d 46' 35"} (1950) DISCOVERY_DATE: 18197 TJD; 79 DOY; 18/03/20 (yy/mm/dd) DISCOVERY_TIME: 45008 SOD {12:30:08.00} UT LEAD_TIME: 35.401 [days] MAX_DATE: 18232 TJD; 114 DOY; 18/04/24 (yy/mm/dd) MAX_TIME: 79660 SOD {22:07:40.79} UT MAX_UNCERT: 0.110 [days] CUSP_WIDTH: 3.37 +/- 0.06 [days] u0: 0.00 +/- 0.21 [RingUnits] MAX_MAG: 5.5 mag (estimated) BASE_MAG: 15.05 +/- 0.00 [mag] AMPLIFICATION: 339.20 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0638.html SUN_POSTN: 28.28d {+01h 53m 07s} +11.61d {+11d 36' 20"} SUN_DIST: 120.29 [deg] Sun_angle= 7.9 [hr] (West of Sun) MOON_POSTN: 88.73d {+05h 54m 56s} +19.96d {+19d 57' 21"} MOON_DIST: 170.12 [deg] GAL_COORDS: 0.68, -2.81 [deg] galactic lon,lat of the burst ECL_COORDS: 269.64, -6.34 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event. COMMENTS: WARNING: Amax_error was 'nan'.