////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Sun 07 Apr 19 14:41:47 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900409 SRC_RA: 268.0827d {+17h 52m 20s} (J2000), 268.3910d {+17h 53m 34s} (current), 267.2790d {+17h 49m 07s} (1950) SRC_DEC: -30.3949d {-30d 23' 41"} (J2000), -30.3982d {-30d 23' 52"} (current), -30.3836d {-30d 23' 00"} (1950) DISCOVERY_DATE: 18549 TJD; 66 DOY; 19/03/07 (yy/mm/dd) DISCOVERY_TIME: 52907 SOD {14:41:47.00} UT LEAD_TIME: 28.378 [days] MAX_DATE: 18577 TJD; 94 DOY; 19/04/04 (yy/mm/dd) MAX_TIME: 85536 SOD {23:45:36.00} UT MAX_UNCERT: 0.020 [days] CUSP_WIDTH: 3.55 +/- 0.09 [days] u0: 0.28 +/- 0.00 [RingUnits] MAX_MAG: 18.2 mag (estimated) BASE_MAG: 19.56 +/- 0.00 [mag] AMPLIFICATION: 3.63 +/- 0.07 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0409.html SUN_POSTN: 16.13d {+01h 04m 32s} +6.87d {+06d 52' 05"} SUN_DIST: 108.75 [deg] Sun_angle= 7.2 [hr] (West of Sun) MOON_POSTN: 42.58d {+02h 50m 19s} +11.42d {+11d 25' 28"} MOON_DIST: 133.59 [deg] GAL_COORDS: 359.50, -2.00 [deg] galactic lon,lat of the burst ECL_COORDS: 268.33, -6.97 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.