////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Tue 12 Mar 19 10:08:04 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900257 SRC_RA: 271.4667d {+18h 05m 52s} (J2000), 271.7628d {+18h 07m 03s} (current), 270.6923d {+18h 02m 46s} (1950) SRC_DEC: -25.6806d {-25d 40' 49"} (J2000), -25.6776d {-25d 40' 38"} (current), -25.6858d {-25d 41' 08"} (1950) DISCOVERY_DATE: 18526 TJD; 43 DOY; 19/02/12 (yy/mm/dd) DISCOVERY_TIME: 36484 SOD {10:08:04.00} UT LEAD_TIME: 26.776 [days] MAX_DATE: 18553 TJD; 70 DOY; 19/03/11 (yy/mm/dd) MAX_TIME: 17107 SOD {04:45:07.19} UT MAX_UNCERT: 1.620 [days] CUSP_WIDTH: 14.21 +/- 1.86 [days] u0: 0.64 +/- 0.03 [RingUnits] MAX_MAG: 18.0 mag (estimated) BASE_MAG: 18.60 +/- 0.00 [mag] AMPLIFICATION: 1.79 +/- 0.06 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0257.html SUN_POSTN: 352.23d {+23h 28m 55s} -3.35d {-03d 21' 11"} SUN_DIST: 79.96 [deg] Sun_angle= 5.4 [hr] (West of Sun) MOON_POSTN: 55.63d {+03h 42m 32s} +15.24d {+15d 14' 30"} MOON_DIST: 144.71 [deg] GAL_COORDS: 5.08, -2.24 [deg] galactic lon,lat of the burst ECL_COORDS: 271.32, -2.25 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.