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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 05 Mar 17 20:19:08 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700257
SRC_RA:          272.9634d {+18h 11m 51s} (J2000),
                 273.2323d {+18h 12m 56s} (current),
                 272.1771d {+18h 08m 43s} (1950)
SRC_DEC:         -27.6558d {-27d 39' 20"} (J2000),
                 -27.6507d {-27d 39' 01"} (current),
                 -27.6683d {-27d 40' 05"} (1950)
DISCOVERY_DATE:  17789 TJD;    36 DOY;   17/02/05 (yy/mm/dd)
DISCOVERY_TIME:  73148 SOD {20:19:08.00} UT
LEAD_TIME:       19.310 [days]
MAX_DATE:        17809 TJD;    56 DOY;   17/02/25 (yy/mm/dd)
MAX_TIME:        13564 SOD {03:46:04.80} UT
MAX_UNCERT:      0.300 [days]
CUSP_WIDTH:      26.53 +/- 1.57 [days]
u0:              0.26 +/- 0.00 [RingUnits]
MAX_MAG:         18.2 mag (estimated)
BASE_MAG:        19.68 +/- 0.00 [mag]
AMPLIFICATION:   3.93 +/- 0.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0257.html
SUN_POSTN:       346.61d {+23h 06m 25s}   -5.73d {-05d 44' 00"}
SUN_DIST:         72.63 [deg]   Sun_angle= 4.9 [hr] (West of Sun)
MOON_POSTN:       79.75d {+05h 19m 00s}  +18.03d {+18d 01' 30"}
MOON_DIST:       164.30 [deg]
GAL_COORDS:        3.99, -4.37 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.63, -4.24 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.