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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 30 Jul 19 21:06:44 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201901231
SRC_RA:          264.6613d {+17h 38m 39s} (J2000),
                 264.9700d {+17h 39m 53s} (current),
                 263.8699d {+17h 35m 29s} (1950)
SRC_DEC:         -28.5942d {-28d 35' 38"} (J2000),
                 -28.6040d {-28d 36' 13"} (current),
                 -28.5664d {-28d 33' 58"} (1950)
DISCOVERY_DATE:  18664 TJD;   181 DOY;   19/06/30 (yy/mm/dd)
DISCOVERY_TIME:  76004 SOD {21:06:44.00} UT
LEAD_TIME:       29.600 [days]
MAX_DATE:        18694 TJD;   211 DOY;   19/07/30 (yy/mm/dd)
MAX_TIME:        41471 SOD {11:31:11.99} UT
MAX_UNCERT:      0.770 [days]
CUSP_WIDTH:      8.96 +/- 1.36 [days]
u0:              0.37 +/- 0.02 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        20.01 +/- 0.00 [mag]
AMPLIFICATION:   2.78 +/- 0.15 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1231.html
SUN_POSTN:       129.83d {+08h 39m 18s}  +18.41d {+18d 24' 49"}
SUN_DIST:        137.88 [deg]   Sun_angle= -9.0 [hr] (East of Sun)
MOON_POSTN:      111.68d {+07h 26m 44s}  +22.18d {+22d 11' 01"}
MOON_DIST:       155.09 [deg]
GAL_COORDS:      359.48,  1.48 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.29, -5.24 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.