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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 02 May 19 18:49:18 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900631
SRC_RA:          263.3532d {+17h 33m 25s} (J2000),
                 263.6558d {+17h 34m 37s} (current),
                 262.5676d {+17h 30m 16s} (1950)
SRC_DEC:         -27.7193d {-27d 43' 08"} (J2000),
                 -27.7314d {-27d 43' 52"} (current),
                 -27.6852d {-27d 41' 06"} (1950)
DISCOVERY_DATE:  18575 TJD;    92 DOY;   19/04/02 (yy/mm/dd)
DISCOVERY_TIME:  67758 SOD {18:49:18.00} UT
LEAD_TIME:       58.667 [days]
MAX_DATE:        18634 TJD;   151 DOY;   19/05/31 (yy/mm/dd)
MAX_TIME:        38966 SOD {10:49:26.39} UT
MAX_UNCERT:      4.670 [days]
CUSP_WIDTH:      36.30 +/- 1.67 [days]
u0:              1.81 +/- 0.04 [RingUnits]
MAX_MAG:         15.7 mag (estimated)
BASE_MAG:        15.74 +/- 0.00 [mag]
AMPLIFICATION:   1.08 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0631.html
SUN_POSTN:        39.64d {+02h 38m 34s}  +15.46d {+15d 27' 36"}
SUN_DIST:        137.53 [deg]   Sun_angle= 9.1 [hr] (West of Sun)
MOON_POSTN:       17.24d {+01h 08m 58s}   +1.92d {+01d 55' 21"}
MOON_DIST:       111.69 [deg]
GAL_COORDS:      359.60,  2.92 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.10, -4.42 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.