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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 30 Jun 17 14:31:42 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701212
SRC_RA:          270.8388d {+18h 03m 21s} (J2000),
                 271.1138d {+18h 04m 27s} (current),
                 270.0493d {+18h 00m 12s} (1950)
SRC_DEC:         -28.1582d {-28d 09' 29"} (J2000),
                 -28.1565d {-28d 09' 23"} (current),
                 -28.1604d {-28d 09' 36"} (1950)
DISCOVERY_DATE:  17903 TJD;   150 DOY;   17/05/30 (yy/mm/dd)
DISCOVERY_TIME:  52302 SOD {14:31:42.00} UT
LEAD_TIME:       50.007 [days]
MAX_DATE:        17953 TJD;   200 DOY;   17/07/19 (yy/mm/dd)
MAX_TIME:        52876 SOD {14:41:16.80} UT
MAX_UNCERT:      5.540 [days]
CUSP_WIDTH:      20.28 +/- 1.92 [days]
u0:              1.25 +/- 0.15 [RingUnits]
MAX_MAG:         17.5 mag (estimated)
BASE_MAG:        17.68 +/- 0.00 [mag]
AMPLIFICATION:   1.20 +/- 0.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1212.html
SUN_POSTN:        99.79d {+06h 39m 09s}  +23.13d {+23d 07' 53"}
SUN_DIST:        170.71 [deg]   Sun_angle= -11.4 [hr] (East of Sun)
MOON_POSTN:      185.08d {+12h 20m 19s}   +1.28d {+01d 16' 59"}
MOON_DIST:        87.11 [deg]
GAL_COORDS:        2.64, -2.97 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.74, -4.72 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.