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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 20 Apr 17 02:41:46 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700577
SRC_RA:          264.5344d {+17h 38m 08s} (J2000),
                 264.8043d {+17h 39m 13s} (current),
                 263.7508d {+17h 35m 00s} (1950)
SRC_DEC:         -27.3294d {-27d 19' 45"} (J2000),
                 -27.3383d {-27d 20' 17"} (current),
                 -27.3010d {-27d 18' 03"} (1950)
DISCOVERY_DATE:  17832 TJD;    79 DOY;   17/03/20 (yy/mm/dd)
DISCOVERY_TIME:  9706 SOD {02:41:46.00} UT
LEAD_TIME:       40.819 [days]
MAX_DATE:        17872 TJD;   119 DOY;   17/04/29 (yy/mm/dd)
MAX_TIME:        80438 SOD {22:20:38.39} UT
MAX_UNCERT:      5.660 [days]
CUSP_WIDTH:      17.11 +/- 2.44 [days]
u0:              1.33 +/- 0.13 [RingUnits]
MAX_MAG:         17.2 mag (estimated)
BASE_MAG:        17.34 +/- 0.00 [mag]
AMPLIFICATION:   1.17 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0577.html
SUN_POSTN:        28.12d {+01h 52m 30s}  +11.55d {+11d 32' 55"}
SUN_DIST:        124.75 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      309.87d {+20h 39m 29s}  -16.34d {-16d 20' 07"}
MOON_DIST:        43.01 [deg]
GAL_COORDS:        0.49,  2.25 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.13, -3.98 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.