////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sat 13 May 17 21:36:50 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201700621 SRC_RA: 268.5382d {+17h 54m 09s} (J2000), 268.8129d {+17h 55m 15s} (current), 267.7436d {+17h 50m 58s} (1950) SRC_DEC: -28.9867d {-28d 59' 11"} (J2000), -28.9889d {-28d 59' 19"} (current), -28.9777d {-28d 58' 39"} (1950) DISCOVERY_DATE: 17856 TJD; 103 DOY; 17/04/13 (yy/mm/dd) DISCOVERY_TIME: 77810 SOD {21:36:50.00} UT LEAD_TIME: 9.254 [days] MAX_DATE: 17866 TJD; 113 DOY; 17/04/23 (yy/mm/dd) MAX_TIME: 13391 SOD {03:43:11.99} UT MAX_UNCERT: 0.020 [days] CUSP_WIDTH: 5.82 +/- 0.50 [days] u0: 0.26 +/- 0.03 [RingUnits] MAX_MAG: 17.3 mag (estimated) BASE_MAG: 18.76 +/- 0.00 [mag] AMPLIFICATION: 3.86 +/- 0.46 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0621.html SUN_POSTN: 50.92d {+03h 23m 40s} +18.60d {+18d 35' 52"} SUN_DIST: 143.98 [deg] Sun_angle= 9.5 [hr] (West of Sun) MOON_POSTN: 265.78d {+17h 43m 07s} -18.94d {-18d 56' 16"} MOON_DIST: 10.42 [deg] GAL_COORDS: 0.92, -1.63 [deg] galactic lon,lat of the burst ECL_COORDS: 268.72, -5.55 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.