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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 24 Apr 18 18:58:52 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800690
SRC_RA:          261.7295d {+17h 26m 55s} (J2000),
                 262.0181d {+17h 28m 04s} (current),
                 260.9382d {+17h 23m 45s} (1950)
SRC_DEC:         -28.7401d {-28d 44' 23"} (J2000),
                 -28.7544d {-28d 45' 15"} (current),
                 -28.6982d {-28d 41' 52"} (1950)
DISCOVERY_DATE:  18201 TJD;    83 DOY;   18/03/24 (yy/mm/dd)
DISCOVERY_TIME:  68332 SOD {18:58:52.00} UT
LEAD_TIME:       26.372 [days]
MAX_DATE:        18228 TJD;   110 DOY;   18/04/20 (yy/mm/dd)
MAX_TIME:        14083 SOD {03:54:43.20} UT
MAX_UNCERT:      0.320 [days]
CUSP_WIDTH:      14.16 +/- 1.06 [days]
u0:              0.33 +/- 0.01 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        20.09 +/- 0.01 [mag]
AMPLIFICATION:   3.10 +/- 0.09 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0690.html
SUN_POSTN:        32.28d {+02h 09m 08s}  +13.04d {+13d 02' 08"}
SUN_DIST:        131.34 [deg]   Sun_angle= 8.7 [hr] (West of Sun)
MOON_POSTN:      151.70d {+10h 06m 48s}  +13.29d {+13d 17' 37"}
MOON_DIST:       114.01 [deg]
GAL_COORDS:      357.96,  3.56 [deg] galactic lon,lat of the burst
ECL_COORDS:      262.72, -5.51 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.