//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 09 May 19 21:03:04 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900685
SRC_RA:          264.6372d {+17h 38m 33s} (J2000),
                 264.9391d {+17h 39m 45s} (current),
                 263.8542d {+17h 35m 25s} (1950)
SRC_DEC:         -27.2287d {-27d 13' 42"} (J2000),
                 -27.2384d {-27d 14' 17"} (current),
                 -27.2008d {-27d 12' 02"} (1950)
DISCOVERY_DATE:  18582 TJD;    99 DOY;   19/04/09 (yy/mm/dd)
DISCOVERY_TIME:  75784 SOD {21:03:04.00} UT
LEAD_TIME:       37.586 [days]
MAX_DATE:        18620 TJD;   137 DOY;   19/05/17 (yy/mm/dd)
MAX_TIME:        40003 SOD {11:06:43.19} UT
MAX_UNCERT:      2.300 [days]
CUSP_WIDTH:      10.51 +/- 0.72 [days]
u0:              1.75 +/- 0.10 [RingUnits]
MAX_MAG:         16.3 mag (estimated)
BASE_MAG:        16.36 +/- 0.00 [mag]
AMPLIFICATION:   1.08 +/- 0.01 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0685.html
SUN_POSTN:        46.50d {+03h 06m 00s}  +17.46d {+17d 27' 19"}
SUN_DIST:        143.28 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      112.31d {+07h 29m 15s}  +21.95d {+21d 57' 08"}
MOON_DIST:       154.61 [deg]
GAL_COORDS:        0.63,  2.23 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.22, -3.88 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.