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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 16 Mar 19 11:49:05 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900280
SRC_RA:          272.3343d {+18h 09m 20s} (J2000),
                 272.6377d {+18h 10m 33s} (current),
                 271.5413d {+18h 06m 10s} (1950)
SRC_DEC:         -28.7244d {-28d 43' 27"} (J2000),
                 -28.7198d {-28d 43' 10"} (current),
                 -28.7338d {-28d 44' 01"} (1950)
DISCOVERY_DATE:  18530 TJD;    47 DOY;   19/02/16 (yy/mm/dd)
DISCOVERY_TIME:  42545 SOD {11:49:05.00} UT
LEAD_TIME:       28.174 [days]
MAX_DATE:        18558 TJD;    75 DOY;   19/03/16 (yy/mm/dd)
MAX_TIME:        57542 SOD {15:59:02.40} UT
MAX_UNCERT:      4.110 [days]
CUSP_WIDTH:      17.31 +/- 4.07 [days]
u0:              0.96 +/- 0.05 [RingUnits]
MAX_MAG:         18.4 mag (estimated)
BASE_MAG:        18.71 +/- 0.00 [mag]
AMPLIFICATION:   1.36 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0280.html
SUN_POSTN:       355.96d {+23h 43m 51s}   -1.75d {-01d 44' 52"}
SUN_DIST:         83.31 [deg]   Sun_angle= 5.6 [hr] (West of Sun)
MOON_POSTN:      114.11d {+07h 36m 27s}  +21.53d {+21d 31' 40"}
MOON_DIST:       159.31 [deg]
GAL_COORDS:        2.78, -4.39 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.06, -5.30 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.