MOA 2020-BLG-140

Event Parameters

Internal ID:gb2-R-3-24501
Discovery date:2020-07-09T13:25:58
RA:17:52:45.50
Dec:-34:35:51.55
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
57294 17:52:45.21 -34:35:51.66 18.70 ± 0.15 4.39
57334 17:52:45.41 -34:35:48.42 16.53 ± 0.14 3.14
57357 17:52:45.35 -34:35:53.45 17.34 ± 0.14 3.60
57374 17:52:45.41 -34:35:49.58 16.75 ± 0.10 2.21
57424 17:52:45.49 -34:35:54.26 17.97 ± 0.12 3.48
57472 17:52:45.59 -34:35:46.43 18.93 ± 0.19 4.72
57513 17:52:45.70 -34:35:48.61 17.25 ± 0.11 3.14
57585 17:52:45.82 -34:35:53.78 17.32 ± 0.12 4.59

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 20.79 ± 2.58 3.42
2460246.904 (2023-Oct-29.404) 99.99 ± 99.99 3.02
2460246.932 (2023-Oct-29.432) 99.99 ± 99.99 3.83
2460246.936 (2023-Oct-29.436) 99.99 ± 99.99 3.53
2460246.939 (2023-Oct-29.439) 99.99 ± 99.99 3.50

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459047.97 ± 0.06 UT (2020-Jul-17.47)
tE =1.26 ± 0.01 days
u0 =14.8261 ± 0.0719
Ibase =6.52 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice