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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 02 May 19 13:21:35 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900621
SRC_RA:          270.4467d {+18h 01m 47s} (J2000),
                 270.7523d {+18h 03m 01s} (current),
                 269.6532d {+17h 58m 37s} (1950)
SRC_DEC:         -28.7945d {-28d 47' 39"} (J2000),
                 -28.7934d {-28d 47' 35"} (current),
                 -28.7947d {-28d 47' 40"} (1950)
DISCOVERY_DATE:  18575 TJD;    92 DOY;   19/04/02 (yy/mm/dd)
DISCOVERY_TIME:  48095 SOD {13:21:35.00} UT
LEAD_TIME:       28.421 [days]
MAX_DATE:        18603 TJD;   120 DOY;   19/04/30 (yy/mm/dd)
MAX_TIME:        84499 SOD {23:28:19.20} UT
MAX_UNCERT:      0.050 [days]
CUSP_WIDTH:      23.74 +/- 1.39 [days]
u0:              0.10 +/- 0.00 [RingUnits]
MAX_MAG:         16.3 mag (estimated)
BASE_MAG:        18.77 +/- 0.00 [mag]
AMPLIFICATION:   10.02 +/- 0.81 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0621.html
SUN_POSTN:        39.42d {+02h 37m 42s}  +15.39d {+15d 23' 32"}
SUN_DIST:        130.98 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:       14.61d {+00h 58m 28s}   +0.86d {+00d 51' 34"}
MOON_DIST:       102.54 [deg]
GAL_COORDS:        1.92, -2.98 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.39, -5.36 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.