////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 17 Mar 19 21:17:41 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900308 SRC_RA: 270.4292d {+18h 01m 43s} (J2000), 270.7328d {+18h 02m 56s} (current), 269.6357d {+17h 58m 33s} (1950) SRC_DEC: -28.7878d {-28d 47' 15"} (J2000), -28.7867d {-28d 47' 11"} (current), -28.7880d {-28d 47' 16"} (1950) DISCOVERY_DATE: 18531 TJD; 48 DOY; 19/02/17 (yy/mm/dd) DISCOVERY_TIME: 76661 SOD {21:17:41.00} UT LEAD_TIME: 377.890 [days] MAX_DATE: 18909 TJD; 426 DOY; 19/17/5894495 (yy/mm/dd) MAX_TIME: 67132 SOD {18:38:52.79} UT MAX_UNCERT: 6.660 [days] CUSP_WIDTH: 176.68 +/- 2.96 [days] u0: 0.00 +/- 0.66 [RingUnits] MAX_MAG: 7.5 mag (estimated) BASE_MAG: 15.97 +/- 0.00 [mag] AMPLIFICATION: 587.42 +/- 0.00 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0308.html SUN_POSTN: 357.24d {+23h 48m 57s} -1.20d {-01d 11' 47"} SUN_DIST: 86.36 [deg] Sun_angle= 5.8 [hr] (West of Sun) MOON_POSTN: 135.66d {+09h 02m 38s} +18.63d {+18d 37' 55"} MOON_DIST: 137.89 [deg] GAL_COORDS: 1.91, -2.96 [deg] galactic lon,lat of the burst ECL_COORDS: 270.38, -5.35 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event. COMMENTS: WARNING: Amax_error was 'nan'.