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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 25 May 17 20:23:32 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700839
SRC_RA:          267.9420d {+17h 51m 46s} (J2000),
                 268.2196d {+17h 52m 53s} (current),
                 267.1406d {+17h 48m 34s} (1950)
SRC_DEC:         -30.0440d {-30d 02' 37"} (J2000),
                 -30.0472d {-30d 02' 49"} (current),
                 -30.0321d {-30d 01' 54"} (1950)
DISCOVERY_DATE:  17868 TJD;   115 DOY;   17/04/25 (yy/mm/dd)
DISCOVERY_TIME:  73412 SOD {20:23:32.00} UT
LEAD_TIME:       29.481 [days]
MAX_DATE:        17898 TJD;   145 DOY;   17/05/25 (yy/mm/dd)
MAX_TIME:        28598 SOD {07:56:38.39} UT
MAX_UNCERT:      2.250 [days]
CUSP_WIDTH:      19.31 +/- 1.54 [days]
u0:              0.67 +/- 0.03 [RingUnits]
MAX_MAG:         19.2 mag (estimated)
BASE_MAG:        19.76 +/- 0.00 [mag]
AMPLIFICATION:   1.71 +/- 0.06 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0839.html
SUN_POSTN:        62.86d {+04h 11m 26s}  +21.09d {+21d 05' 40"}
SUN_DIST:        155.50 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:       64.26d {+04h 17m 03s}  +16.33d {+16d 19' 55"}
MOON_DIST:       154.15 [deg]
GAL_COORDS:      359.74, -1.72 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.21, -6.62 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.