////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 17 Mar 19 21:17:35 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900305 SRC_RA: 268.3598d {+17h 53m 26s} (J2000), 268.6630d {+17h 54m 39s} (current), 267.5675d {+17h 50m 16s} (1950) SRC_DEC: -28.6224d {-28d 37' 20"} (J2000), -28.6252d {-28d 37' 30"} (current), -28.6125d {-28d 36' 44"} (1950) DISCOVERY_DATE: 18531 TJD; 48 DOY; 19/02/17 (yy/mm/dd) DISCOVERY_TIME: 76655 SOD {21:17:35.00} UT LEAD_TIME: 36.478 [days] MAX_DATE: 18568 TJD; 85 DOY; 19/03/26 (yy/mm/dd) MAX_TIME: 31536 SOD {08:45:36.00} UT MAX_UNCERT: 5.170 [days] CUSP_WIDTH: 24.65 +/- 3.41 [days] u0: 0.90 +/- 0.08 [RingUnits] MAX_MAG: 18.2 mag (estimated) BASE_MAG: 18.59 +/- 0.00 [mag] AMPLIFICATION: 1.41 +/- 0.07 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0305.html SUN_POSTN: 357.24d {+23h 48m 57s} -1.20d {-01d 11' 47"} SUN_DIST: 88.18 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 135.66d {+09h 02m 38s} +18.63d {+18d 37' 56"} MOON_DIST: 136.09 [deg] GAL_COORDS: 1.15, -1.31 [deg] galactic lon,lat of the burst ECL_COORDS: 268.55, -5.19 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.