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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 28 Mar 17 18:31:50 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700420
SRC_RA:          270.9059d {+18h 03m 37s} (J2000),
                 271.1802d {+18h 04m 43s} (current),
                 270.1069d {+18h 00m 26s} (1950)
SRC_DEC:         -29.6450d {-29d 38' 41"} (J2000),
                 -29.6433d {-29d 38' 35"} (current),
                 -29.6475d {-29d 38' 50"} (1950)
DISCOVERY_DATE:  17812 TJD;    59 DOY;   17/02/28 (yy/mm/dd)
DISCOVERY_TIME:  66710 SOD {18:31:50.00} UT
LEAD_TIME:       25.676 [days]
MAX_DATE:        17838 TJD;    85 DOY;   17/03/26 (yy/mm/dd)
MAX_TIME:        38707 SOD {10:45:07.19} UT
MAX_UNCERT:      0.100 [days]
CUSP_WIDTH:      2.35 +/- 0.16 [days]
u0:              0.89 +/- 0.01 [RingUnits]
MAX_MAG:         18.0 mag (estimated)
BASE_MAG:        18.34 +/- 0.00 [mag]
AMPLIFICATION:   1.42 +/- 0.01 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0420.html
SUN_POSTN:         7.60d {+00h 30m 23s}   +3.28d {+03d 16' 47"}
SUN_DIST:         97.20 [deg]   Sun_angle= 6.4 [hr] (West of Sun)
MOON_POSTN:       17.14d {+01h 08m 33s}   +3.44d {+03d 26' 41"}
MOON_DIST:       105.56 [deg]
GAL_COORDS:        1.37, -3.75 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.79, -6.21 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.