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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 20 Apr 18 12:30:02 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800635
SRC_RA:          269.6348d {+17h 58m 32s} (J2000),
                 269.9227d {+17h 59m 41s} (current),
                 268.8445d {+17h 55m 23s} (1950)
SRC_DEC:         -28.2813d {-28d 16' 52"} (J2000),
                 -28.2817d {-28d 16' 53"} (current),
                 -28.2776d {-28d 16' 38"} (1950)
DISCOVERY_DATE:  18197 TJD;    79 DOY;   18/03/20 (yy/mm/dd)
DISCOVERY_TIME:  45002 SOD {12:30:02.00} UT
LEAD_TIME:       91.895 [days]
MAX_DATE:        18289 TJD;   171 DOY;   18/06/20 (yy/mm/dd)
MAX_TIME:        35942 SOD {09:59:02.40} UT
MAX_UNCERT:      15.390 [days]
CUSP_WIDTH:      93.46 +/- 9.47 [days]
u0:              0.53 +/- 0.14 [RingUnits]
MAX_MAG:         18.7 mag (estimated)
BASE_MAG:        19.49 +/- 0.00 [mag]
AMPLIFICATION:   2.07 +/- 0.46 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0635.html
SUN_POSTN:        28.28d {+01h 53m 07s}  +11.61d {+11d 36' 20"}
SUN_DIST:        120.33 [deg]   Sun_angle= 7.9 [hr] (West of Sun)
MOON_POSTN:       88.73d {+05h 54m 56s}  +19.96d {+19d 57' 20"}
MOON_DIST:       171.60 [deg]
GAL_COORDS:        2.01, -2.11 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.68, -4.84 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.