////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Mon 04 Mar 19 21:37:15 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900172 SRC_RA: 268.0183d {+17h 52m 04s} (J2000), 268.3253d {+17h 53m 18s} (current), 267.2145d {+17h 48m 51s} (1950) SRC_DEC: -30.4112d {-30d 24' 39"} (J2000), -30.4146d {-30d 24' 52"} (current), -30.3996d {-30d 23' 58"} (1950) DISCOVERY_DATE: 18518 TJD; 35 DOY; 19/02/04 (yy/mm/dd) DISCOVERY_TIME: 77835 SOD {21:37:15.00} UT LEAD_TIME: 73.384 [days] MAX_DATE: 18592 TJD; 109 DOY; 19/04/19 (yy/mm/dd) MAX_TIME: 24624 SOD {06:50:24.00} UT MAX_UNCERT: 20.280 [days] CUSP_WIDTH: 95.53 +/- 8.23 [days] u0: 0.90 +/- 0.10 [RingUnits] MAX_MAG: 18.2 mag (estimated) BASE_MAG: 18.53 +/- 0.00 [mag] AMPLIFICATION: 1.41 +/- 0.09 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0172.html SUN_POSTN: 345.28d {+23h 01m 06s} -6.29d {-06d 17' 11"} SUN_DIST: 75.58 [deg] Sun_angle= 5.1 [hr] (West of Sun) MOON_POSTN: 327.86d {+21h 51m 26s} -15.58d {-15d 34' 49"} MOON_DIST: 56.14 [deg] GAL_COORDS: 359.46, -1.96 [deg] galactic lon,lat of the burst ECL_COORDS: 268.28, -6.98 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.