//////////////////////////////////////////////////////////////////////
TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Wed 09 Aug 17 21:14:06 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701531
SRC_RA:          269.9803d {+17h 59m 55s} (J2000),
                 270.2622d {+18h 01m 03s} (current),
                 269.1759d {+17h 56m 42s} (1950)
SRC_DEC:         -30.4875d {-30d 29' 14"} (J2000),
                 -30.4873d {-30d 29' 13"} (current),
                 -30.4854d {-30d 29' 07"} (1950)
DISCOVERY_DATE:  17943 TJD;   190 DOY;   17/07/09 (yy/mm/dd)
DISCOVERY_TIME:  76446 SOD {21:14:06.00} UT
LEAD_TIME:       34.830 [days]
MAX_DATE:        17978 TJD;   225 DOY;   17/08/13 (yy/mm/dd)
MAX_TIME:        61775 SOD {17:09:35.99} UT
MAX_UNCERT:      1.880 [days]
CUSP_WIDTH:      8.56 +/- 0.87 [days]
u0:              0.95 +/- 0.10 [RingUnits]
MAX_MAG:         17.9 mag (estimated)
BASE_MAG:        18.24 +/- 0.00 [mag]
AMPLIFICATION:   1.37 +/- 0.08 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1531.html
SUN_POSTN:       139.91d {+09h 19m 39s}  +15.60d {+15d 35' 54"}
SUN_DIST:        132.36 [deg]   Sun_angle= -8.7 [hr] (East of Sun)
MOON_POSTN:      344.55d {+22h 58m 11s}   -8.32d {-08d 19' 05"}
MOON_DIST:        72.28 [deg]
GAL_COORDS:        0.24, -3.46 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.98, -7.05 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.