//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 10 May 19 20:25:52 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900690
SRC_RA:          264.0509d {+17h 36m 12s} (J2000),
                 264.3540d {+17h 37m 25s} (current),
                 263.2648d {+17h 33m 04s} (1950)
SRC_DEC:         -27.7593d {-27d 45' 32"} (J2000),
                 -27.7701d {-27d 46' 11"} (current),
                 -27.7285d {-27d 43' 42"} (1950)
DISCOVERY_DATE:  18583 TJD;   100 DOY;   19/04/10 (yy/mm/dd)
DISCOVERY_TIME:  73552 SOD {20:25:52.00} UT
LEAD_TIME:       44.747 [days]
MAX_DATE:        18628 TJD;   145 DOY;   19/05/25 (yy/mm/dd)
MAX_TIME:        51667 SOD {14:21:07.20} UT
MAX_UNCERT:      5.540 [days]
CUSP_WIDTH:      11.99 +/- 1.61 [days]
u0:              1.55 +/- 0.26 [RingUnits]
MAX_MAG:         17.3 mag (estimated)
BASE_MAG:        17.39 +/- 0.00 [mag]
AMPLIFICATION:   1.12 +/- 0.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0690.html
SUN_POSTN:        47.45d {+03h 09m 48s}  +17.71d {+17d 42' 39"}
SUN_DIST:        144.66 [deg]   Sun_angle= 9.5 [hr] (West of Sun)
MOON_POSTN:      126.85d {+08h 27m 24s}  +20.50d {+20d 29' 43"}
MOON_DIST:       140.73 [deg]
GAL_COORDS:      359.90,  2.38 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.72, -4.43 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.