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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 08 Apr 17 23:21:10 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700521
SRC_RA:          268.1524d {+17h 52m 37s} (J2000),
                 268.4261d {+17h 53m 42s} (current),
                 267.3561d {+17h 49m 25s} (1950)
SRC_DEC:         -29.2544d {-29d 15' 15"} (J2000),
                 -29.2573d {-29d 15' 25"} (current),
                 -29.2435d {-29d 14' 36"} (1950)
DISCOVERY_DATE:  17820 TJD;    67 DOY;   17/03/08 (yy/mm/dd)
DISCOVERY_TIME:  84070 SOD {23:21:10.00} UT
LEAD_TIME:       23.215 [days]
MAX_DATE:        17844 TJD;    91 DOY;   17/04/01 (yy/mm/dd)
MAX_TIME:        16243 SOD {04:30:43.20} UT
MAX_UNCERT:      0.240 [days]
CUSP_WIDTH:      6.34 +/- 0.31 [days]
u0:              1.66 +/- 0.01 [RingUnits]
MAX_MAG:         17.1 mag (estimated)
BASE_MAG:        17.25 +/- 0.00 [mag]
AMPLIFICATION:   1.10 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0521.html
SUN_POSTN:        17.82d {+01h 11m 18s}   +7.56d {+07d 33' 29"}
SUN_DIST:        110.58 [deg]   Sun_angle= 7.3 [hr] (West of Sun)
MOON_POSTN:      174.24d {+11h 36m 57s}   +4.52d {+04d 31' 28"}
MOON_DIST:        95.86 [deg]
GAL_COORDS:        0.51, -1.47 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.38, -5.83 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.