//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 09 May 19 21:03:00 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900683
SRC_RA:          267.8957d {+17h 51m 35s} (J2000),
                 268.2147d {+17h 52m 52s} (current),
                 267.0683d {+17h 48m 16s} (1950)
SRC_DEC:         -33.8992d {-33d 53' 56"} (J2000),
                 -33.9028d {-33d 54' 09"} (current),
                 -33.8870d {-33d 53' 12"} (1950)
DISCOVERY_DATE:  18582 TJD;    99 DOY;   19/04/09 (yy/mm/dd)
DISCOVERY_TIME:  75780 SOD {21:03:00.00} UT
LEAD_TIME:       36.884 [days]
MAX_DATE:        18619 TJD;   136 DOY;   19/05/16 (yy/mm/dd)
MAX_TIME:        65750 SOD {18:15:50.39} UT
MAX_UNCERT:      3.070 [days]
CUSP_WIDTH:      19.44 +/- 2.08 [days]
u0:              0.58 +/- 0.09 [RingUnits]
MAX_MAG:         18.4 mag (estimated)
BASE_MAG:        19.09 +/- 0.00 [mag]
AMPLIFICATION:   1.92 +/- 0.25 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0683.html
SUN_POSTN:        46.50d {+03h 06m 00s}  +17.46d {+17d 27' 19"}
SUN_DIST:        139.32 [deg]   Sun_angle= 9.2 [hr] (West of Sun)
MOON_POSTN:      112.31d {+07h 29m 15s}  +21.95d {+21d 57' 08"}
MOON_DIST:       155.68 [deg]
GAL_COORDS:      356.40, -3.65 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.22,-10.47 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.