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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 15 Apr 19 17:55:32 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900506
SRC_RA:          271.5379d {+18h 06m 09s} (J2000),
                 271.8362d {+18h 07m 21s} (current),
                 270.7611d {+18h 03m 03s} (1950)
SRC_DEC:         -26.0781d {-26d 04' 40"} (J2000),
                 -26.0750d {-26d 04' 29"} (current),
                 -26.0837d {-26d 05' 00"} (1950)
DISCOVERY_DATE:  18557 TJD;    74 DOY;   19/03/15 (yy/mm/dd)
DISCOVERY_TIME:  64532 SOD {17:55:32.00} UT
LEAD_TIME:       69.476 [days]
MAX_DATE:        18627 TJD;   144 DOY;   19/05/24 (yy/mm/dd)
MAX_TIME:        19267 SOD {05:21:07.20} UT
MAX_UNCERT:      33.810 [days]
CUSP_WIDTH:      49.25 +/- 14.75 [days]
u0:              1.50 +/- 0.26 [RingUnits]
MAX_MAG:         17.7 mag (estimated)
BASE_MAG:        17.86 +/- 0.00 [mag]
AMPLIFICATION:   1.13 +/- 0.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0506.html
SUN_POSTN:        23.62d {+01h 34m 28s}   +9.85d {+09d 51' 07"}
SUN_DIST:        113.80 [deg]   Sun_angle= 7.5 [hr] (West of Sun)
MOON_POSTN:      158.01d {+10h 32m 02s}  +13.01d {+13d 00' 18"}
MOON_DIST:       116.90 [deg]
GAL_COORDS:        4.76, -2.49 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.38, -2.65 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.