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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 28 Aug 17 20:15:29 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701631
SRC_RA:          271.9695d {+18h 07m 53s} (J2000),
                 272.2456d {+18h 08m 59s} (current),
                 271.1839d {+18h 04m 44s} (1950)
SRC_DEC:         -27.5331d {-27d 31' 58"} (J2000),
                 -27.5295d {-27d 31' 45"} (current),
                 -27.5408d {-27d 32' 26"} (1950)
DISCOVERY_DATE:  17962 TJD;   209 DOY;   17/07/28 (yy/mm/dd)
DISCOVERY_TIME:  72929 SOD {20:15:29.00} UT
LEAD_TIME:       43.785 [days]
MAX_DATE:        18006 TJD;   253 DOY;   17/09/10 (yy/mm/dd)
MAX_TIME:        54345 SOD {15:05:45.60} UT
MAX_UNCERT:      4.260 [days]
CUSP_WIDTH:      15.21 +/- 1.66 [days]
u0:              0.44 +/- 0.40 [RingUnits]
MAX_MAG:         17.0 mag (estimated)
BASE_MAG:        17.98 +/- 0.00 [mag]
AMPLIFICATION:   2.42 +/- 1.92 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1631.html
SUN_POSTN:       157.50d {+10h 30m 01s}   +9.42d {+09d 25' 01"}
SUN_DIST:        116.22 [deg]   Sun_angle= -7.6 [hr] (East of Sun)
MOON_POSTN:      239.35d {+15h 57m 25s}  -15.09d {-15d 05' 11"}
MOON_DIST:        32.94 [deg]
GAL_COORDS:        3.68, -3.54 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.75, -4.11 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.