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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 23 Feb 19 21:42:53 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900090
SRC_RA:          270.3838d {+18h 01m 32s} (J2000),
                 270.6829d {+18h 02m 44s} (current),
                 269.5995d {+17h 58m 24s} (1950)
SRC_DEC:         -27.3190d {-27d 19' 07"} (J2000),
                 -27.3180d {-27d 19' 04"} (current),
                 -27.3190d {-27d 19' 07"} (1950)
DISCOVERY_DATE:  18506 TJD;    23 DOY;   19/01/23 (yy/mm/dd)
DISCOVERY_TIME:  78173 SOD {21:42:53.00} UT
LEAD_TIME:       32.009 [days]
MAX_DATE:        18538 TJD;    55 DOY;   19/02/24 (yy/mm/dd)
MAX_TIME:        78969 SOD {21:56:09.59} UT
MAX_UNCERT:      1.520 [days]
CUSP_WIDTH:      20.83 +/- 2.60 [days]
u0:              0.36 +/- 0.02 [RingUnits]
MAX_MAG:         18.3 mag (estimated)
BASE_MAG:        19.42 +/- 0.00 [mag]
AMPLIFICATION:   2.87 +/- 0.16 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0090.html
SUN_POSTN:       336.82d {+22h 27m 17s}   -9.68d {-09d 40' 57"}
SUN_DIST:         64.44 [deg]   Sun_angle= 4.4 [hr] (West of Sun)
MOON_POSTN:      212.89d {+14h 11m 33s}   -7.78d {-07d 46' 31"}
MOON_DIST:        57.91 [deg]
GAL_COORDS:        3.17, -2.20 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.34, -3.88 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.