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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 23 Aug 16 16:50:24 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201601639
SRC_RA:          273.9363d {+18h 15m 45s} (J2000),
                 274.1994d {+18h 16m 48s} (current),
                 273.1419d {+18h 12m 34s} (1950)
SRC_DEC:         -28.9682d {-28d 58' 05"} (J2000),
                 -28.9617d {-28d 57' 41"} (current),
                 -28.9854d {-28d 59' 06"} (1950)
DISCOVERY_DATE:  17592 TJD;   205 DOY;   16/07/23 (yy/mm/dd)
DISCOVERY_TIME:  60624 SOD {16:50:24.00} UT
LEAD_TIME:       25.778 [days]
MAX_DATE:        17618 TJD;   231 DOY;   16/08/18 (yy/mm/dd)
MAX_TIME:        41471 SOD {11:31:11.99} UT
MAX_UNCERT:      2.090 [days]
CUSP_WIDTH:      36.60 +/- 3.63 [days]
u0:              0.56 +/- 0.01 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        19.63 +/- 0.00 [mag]
AMPLIFICATION:   1.98 +/- 0.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1639.html
SUN_POSTN:       153.02d {+10h 12m 06s}  +11.12d {+11d 07' 30"}
SUN_DIST:        122.54 [deg]   Sun_angle= -8.1 [hr] (East of Sun)
MOON_POSTN:       40.60d {+02h 42m 25s}  +11.06d {+11d 03' 41"}
MOON_DIST:       127.05 [deg]
GAL_COORDS:        3.24, -5.74 [deg] galactic lon,lat of the burst
ECL_COORDS:      273.46, -5.58 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.