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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 24 Feb 18 20:50:51 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800231
SRC_RA:          265.7112d {+17h 42m 51s} (J2000),
                 265.9885d {+17h 43m 57s} (current),
                 264.9440d {+17h 39m 47s} (1950)
SRC_DEC:         -24.5441d {-24d 32' 38"} (J2000),
                 -24.5514d {-24d 33' 04"} (current),
                 -24.5214d {-24d 31' 16"} (1950)
DISCOVERY_DATE:  18142 TJD;    24 DOY;   18/01/24 (yy/mm/dd)
DISCOVERY_TIME:  75051 SOD {20:50:51.00} UT
LEAD_TIME:       18.160 [days]
MAX_DATE:        18161 TJD;    43 DOY;   18/02/12 (yy/mm/dd)
MAX_TIME:        2505 SOD {00:41:45.60} UT
MAX_UNCERT:      3.560 [days]
CUSP_WIDTH:      8.18 +/- 2.29 [days]
u0:              1.06 +/- 0.14 [RingUnits]
MAX_MAG:         17.4 mag (estimated)
BASE_MAG:        17.67 +/- 0.00 [mag]
AMPLIFICATION:   1.29 +/- 0.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0231.html
SUN_POSTN:       337.96d {+22h 31m 52s}   -9.24d {-09d 14' 13"}
SUN_DIST:         69.85 [deg]   Sun_angle= 4.8 [hr] (West of Sun)
MOON_POSTN:       86.19d {+05h 44m 46s}  +19.54d {+19d 32' 41"}
MOON_DIST:       174.99 [deg]
GAL_COORDS:        3.42,  2.82 [deg] galactic lon,lat of the burst
ECL_COORDS:      266.10, -1.16 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.