////////////////////////////////////////////////////////////////////// TITLE: GCN/OGLE NOTICE NOTICE_DATE: Mon 18 Feb 19 22:22:16 UT NOTICE_TYPE: OGLE Lensing Event SRC_ID_NUM: 201900042 SRC_RA: 262.7896d {+17h 31m 10s} (J2000), 263.0914d {+17h 32m 22s} (current), 261.9979d {+17h 27m 59s} (1950) SRC_DEC: -28.7390d {-28d 44' 19"} (J2000), -28.7520d {-28d 45' 06"} (current), -28.7021d {-28d 42' 07"} (1950) DISCOVERY_DATE: 18501 TJD; 18 DOY; 19/01/18 (yy/mm/dd) DISCOVERY_TIME: 80536 SOD {22:22:16.00} UT LEAD_TIME: 15.650 [days] MAX_DATE: 18517 TJD; 34 DOY; 19/02/03 (yy/mm/dd) MAX_TIME: 50284 SOD {13:58:04.79} UT MAX_UNCERT: 7.090 [days] CUSP_WIDTH: 73.81 +/- 4.75 [days] u0: 0.81 +/- 0.01 [RingUnits] MAX_MAG: 17.3 mag (estimated) BASE_MAG: 17.74 +/- 0.00 [mag] AMPLIFICATION: 1.51 +/- 0.01 factor LC_URL: http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0042.html SUN_POSTN: 332.06d {+22h 08m 15s} -11.48d {-11d 28' 48"} SUN_DIST: 66.17 [deg] Sun_angle= 4.6 [hr] (West of Sun) MOON_POSTN: 142.90d {+09h 31m 37s} +16.87d {+16d 52' 21"} MOON_DIST: 124.16 [deg] GAL_COORDS: 358.47, 2.78 [deg] galactic lon,lat of the burst ECL_COORDS: 263.65, -5.46 [deg] ecliptic lon,lat of the burst COMMENTS: OGLE Gravitational Lensing Event.