////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Thu 19 Apr 18 07:42:48 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201800620 SRC_RA: 268.4026d {+17h 53m 37s} (J2000), 268.6920d {+17h 54m 46s} (current), 267.6082d {+17h 50m 26s} (1950) SRC_DEC: -28.9459d {-28d 56' 44"} (J2000), -28.9485d {-28d 56' 53"} (current), -28.9362d {-28d 56' 09"} (1950) DISCOVERY_DATE: 18196 TJD; 78 DOY; 18/03/19 (yy/mm/dd) DISCOVERY_TIME: 27768 SOD {07:42:48.00} UT LEAD_TIME: 28.323 [days] MAX_DATE: 18224 TJD; 106 DOY; 18/04/16 (yy/mm/dd) MAX_TIME: 55641 SOD {15:27:21.59} UT MAX_UNCERT: 1.550 [days] CUSP_WIDTH: 16.30 +/- 0.91 [days] u0: 2.08 +/- 0.01 [RingUnits] MAX_MAG: 16.1 mag (estimated) BASE_MAG: 16.20 +/- 0.00 [mag] AMPLIFICATION: 1.05 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0620.html SUN_POSTN: 27.16d {+01h 48m 38s} +11.19d {+11d 11' 35"} SUN_DIST: 120.21 [deg] Sun_angle= 7.9 [hr] (West of Sun) MOON_POSTN: 70.79d {+04h 43m 11s} +17.83d {+17d 49' 34"} MOON_DIST: 160.20 [deg] GAL_COORDS: 0.89, -1.50 [deg] galactic lon,lat of the burst ECL_COORDS: 268.60, -5.51 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.