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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 23 Feb 19 21:43:57 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900121
SRC_RA:          271.8973d {+18h 07m 35s} (J2000),
                 272.1932d {+18h 08m 46s} (current),
                 271.1213d {+18h 04m 29s} (1950)
SRC_DEC:         -25.9526d {-25d 57' 08"} (J2000),
                 -25.9488d {-25d 56' 55"} (current),
                 -25.9599d {-25d 57' 35"} (1950)
DISCOVERY_DATE:  18506 TJD;    23 DOY;   19/01/23 (yy/mm/dd)
DISCOVERY_TIME:  78237 SOD {21:43:57.00} UT
LEAD_TIME:       26.494 [days]
MAX_DATE:        18533 TJD;    50 DOY;   19/02/19 (yy/mm/dd)
MAX_TIME:        34559 SOD {09:35:59.99} UT
MAX_UNCERT:      1.410 [days]
CUSP_WIDTH:      10.86 +/- 5.71 [days]
u0:              0.85 +/- 0.02 [RingUnits]
MAX_MAG:         18.0 mag (estimated)
BASE_MAG:        18.42 +/- 0.00 [mag]
AMPLIFICATION:   1.47 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0121.html
SUN_POSTN:       336.82d {+22h 27m 17s}   -9.68d {-09d 40' 56"}
SUN_DIST:         63.04 [deg]   Sun_angle= 4.3 [hr] (West of Sun)
MOON_POSTN:      212.90d {+14h 11m 35s}   -7.78d {-07d 46' 43"}
MOON_DIST:        59.06 [deg]
GAL_COORDS:        5.03, -2.72 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.71, -2.52 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.