MOA 2020-BLG-057

Event Parameters

Internal ID:gb9-R-5-122852
Discovery date:2020-03-12T18:57:31
RA:17:59:25.88
Dec:-29:50:58.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
131521 17:59:25.74 -29:50:59.70 16.47 ± 0.06 3.38
131522 17:59:25.74 -29:50:57.14 15.08 ± 0.05 2.55
131559 17:59:25.81 -29:50:54.70 17.33 ± 0.20 3.42
131700 17:59:26.13 -29:51:01.53 15.54 ± 0.05 4.93
131701 17:59:26.13 -29:50:54.43 15.61 ± 0.03 4.28
131722 17:59:26.16 -29:50:59.14 16.41 ± 0.07 3.46

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 99.99 ± 99.99 3.48
2460246.896 (2023-Oct-29.396) 99.99 ± 99.99 3.16
2460246.906 (2023-Oct-29.406) 18.40 ± 0.25 3.35
2460246.918 (2023-Oct-29.418) 99.99 ± 99.99 3.43
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.51

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

Single lens fit parameters

tmax =JD 2458925.59 ± 0.05 UT (2020-Mar-17.09)
tE =0.83 ± 0.02 days
u0 =10.3306 ± 0.2635
Ibase =7.72 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice