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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Wed 21 Sep 16 15:35:58 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201601831
SRC_RA:          273.8409d {+18h 15m 22s} (J2000),
                 274.0932d {+18h 16m 22s} (current),
                 273.0826d {+18h 12m 20s} (1950)
SRC_DEC:         -22.9622d {-22d 57' 43"} (J2000),
                 -22.9558d {-22d 57' 20"} (current),
                 -22.9790d {-22d 58' 43"} (1950)
DISCOVERY_DATE:  17621 TJD;   234 DOY;   16/08/21 (yy/mm/dd)
DISCOVERY_TIME:  56158 SOD {15:35:58.00} UT
LEAD_TIME:       72.823 [days]
MAX_DATE:        17694 TJD;   307 DOY;   16/11/02 (yy/mm/dd)
MAX_TIME:        40867 SOD {11:21:07.20} UT
MAX_UNCERT:      16.480 [days]
CUSP_WIDTH:      96.32 +/- 11.19 [days]
u0:              0.41 +/- 0.14 [RingUnits]
MAX_MAG:         18.3 mag (estimated)
BASE_MAG:        19.31 +/- 0.00 [mag]
AMPLIFICATION:   2.57 +/- 0.77 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1831.html
SUN_POSTN:       179.15d {+11h 56m 37s}   +0.37d {+00d 21' 58"}
SUN_DIST:         94.69 [deg]   Sun_angle= -6.3 [hr] (East of Sun)
MOON_POSTN:       64.77d {+04h 19m 04s}  +16.14d {+16d 08' 32"}
MOON_DIST:       151.59 [deg]
GAL_COORDS:        8.51, -2.83 [deg] galactic lon,lat of the burst
ECL_COORDS:      273.54,  0.43 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.