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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 16 Mar 19 11:48:47 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900271
SRC_RA:          270.3669d {+18h 01m 28s} (J2000),
                 270.6683d {+18h 02m 40s} (current),
                 269.5791d {+17h 58m 19s} (1950)
SRC_DEC:         -27.8821d {-27d 52' 55"} (J2000),
                 -27.8811d {-27d 52' 51"} (current),
                 -27.8820d {-27d 52' 54"} (1950)
DISCOVERY_DATE:  18530 TJD;    47 DOY;   19/02/16 (yy/mm/dd)
DISCOVERY_TIME:  42527 SOD {11:48:47.00} UT
LEAD_TIME:       29.250 [days]
MAX_DATE:        18559 TJD;    76 DOY;   19/03/17 (yy/mm/dd)
MAX_TIME:        64108 SOD {17:48:28.80} UT
MAX_UNCERT:      5.270 [days]
CUSP_WIDTH:      11.96 +/- 3.75 [days]
u0:              1.37 +/- 0.09 [RingUnits]
MAX_MAG:         18.3 mag (estimated)
BASE_MAG:        18.50 +/- 0.00 [mag]
AMPLIFICATION:   1.16 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0271.html
SUN_POSTN:       355.96d {+23h 43m 51s}   -1.75d {-01d 44' 52"}
SUN_DIST:         85.02 [deg]   Sun_angle= 5.7 [hr] (West of Sun)
MOON_POSTN:      114.11d {+07h 36m 26s}  +21.53d {+21d 31' 40"}
MOON_DIST:       157.82 [deg]
GAL_COORDS:        2.68, -2.47 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.33, -4.44 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.