MOA 2019-BLG-357

Event Parameters

Internal ID:gb15-R-7-21053
Discovery date:2019-08-01T13:29:02
RA:18:08:42.12
Dec:-25:57:03.93
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
10570 18:08:42.26 -25:57:06.10 18.67 ± 0.14 3.08
10592 18:08:42.23 -25:57:01.62 18.11 ± 0.10 3.66
10662 18:08:42.10 -25:57:04.40 17.81 ± 0.05 0.27
10663 18:08:42.07 -25:57:06.99 19.02 ± 0.08 2.57
10691 18:08:42.02 -25:57:02.11 17.81 ± 0.08 2.63
10767 18:08:41.92 -25:57:03.80 17.16 ± 0.03 2.45
10855 18:08:41.77 -25:57:04.31 18.39 ± 0.08 4.36

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 17.41 ± 0.16 3.72
2460245.866 (2023-Oct-28.366) 17.64 ± 0.15 3.43
2460245.909 (2023-Oct-28.409) 17.56 ± 0.19 3.35
2460246.865 (2023-Oct-29.365) 17.44 ± 0.13 3.57
2460246.912 (2023-Oct-29.412) 17.42 ± 0.20 3.64

Calibration: I = 27.40 - 2.5 log10(ΔF + 6880.18)

Single lens fit parameters

tmax =JD 2458705.32 ± 0.05 UT (2019-Aug-9.82)
tE =2.11 ± 0.04 days
u0 =8.6350 ± 0.0879
Ibase =8.51 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice