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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 07 Mar 17 21:46:41 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700271
SRC_RA:          270.9149d {+18h 03m 40s} (J2000),
                 271.1848d {+18h 04m 44s} (current),
                 270.1260d {+18h 00m 30s} (1950)
SRC_DEC:         -28.0484d {-28d 02' 53"} (J2000),
                 -28.0467d {-28d 02' 47"} (current),
                 -28.0509d {-28d 03' 02"} (1950)
DISCOVERY_DATE:  17791 TJD;    38 DOY;   17/02/07 (yy/mm/dd)
DISCOVERY_TIME:  78400 SOD {21:46:40.00} UT
LEAD_TIME:       29.626 [days]
MAX_DATE:        17821 TJD;    68 DOY;   17/03/09 (yy/mm/dd)
MAX_TIME:        46051 SOD {12:47:31.19} UT
MAX_UNCERT:      2.460 [days]
CUSP_WIDTH:      6.33 +/- 1.46 [days]
u0:              1.40 +/- 0.09 [RingUnits]
MAX_MAG:         17.8 mag (estimated)
BASE_MAG:        17.93 +/- 0.00 [mag]
AMPLIFICATION:   1.15 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0271.html
SUN_POSTN:       348.52d {+23h 14m 04s}   -4.93d {-04d 55' 56"}
SUN_DIST:         76.51 [deg]   Sun_angle= 5.2 [hr] (West of Sun)
MOON_POSTN:      110.13d {+07h 20m 30s}  +18.45d {+18d 27' 13"}
MOON_DIST:       160.17 [deg]
GAL_COORDS:        2.77, -2.97 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.81, -4.61 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.