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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 21 Apr 13 18:23:48 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201300571
SRC_RA:          268.5490d {+17h 54m 12s} (J2000),
                 268.7626d {+17h 55m 03s} (current),
                 267.7412d {+17h 50m 58s} (1950)
SRC_DEC:         -31.0229d {-31d 01' 21"} (J2000),
                 -31.0246d {-31d 01' 28"} (current),
                 -31.0139d {-31d 00' 49"} (1950)
DISCOVERY_DATE:  16372 TJD;    80 DOY;   13/03/21 (yy/mm/dd)
DISCOVERY_TIME:  66228 SOD {18:23:48.00} UT
LEAD_TIME:       31.196 [days]
MAX_DATE:        16403 TJD;   111 DOY;   13/04/21 (yy/mm/dd)
MAX_TIME:        83203 SOD {23:06:43.19} UT
MAX_UNCERT:      0.100 [days]
CUSP_WIDTH:      3.23 +/- 0.11 [days]
u0:              0.58 +/- 0.00 [RingUnits]
MAX_MAG:         17.9 mag (estimated)
BASE_MAG:        18.60 +/- 0.00 [mag]
AMPLIFICATION:   1.90 +/- 0.01 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0571.html
SUN_POSTN:        29.64d {+01h 58m 33s}  +12.10d {+12d 06' 01"}
SUN_DIST:        122.55 [deg]   Sun_angle= 8.1 [hr] (West of Sun)
MOON_POSTN:      159.03d {+10h 36m 07s}   +3.59d {+03d 35' 18"}
MOON_DIST:       108.72 [deg]
GAL_COORDS:      359.16, -2.66 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.75, -7.59 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.