MOA 2020-BLG-164

Event Parameters

Internal ID:gb8-R-4-21552
Discovery date:2020-07-17T14:29:30
RA:17:57:00.98
Dec:-31:14:26.01
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
86484 17:57:00.75 -31:14:28.46 18.02 ± 0.11 4.90
86520 17:57:00.86 -31:14:26.47 17.69 ± 0.08 2.55
86582 17:57:00.98 -31:14:29.82 17.11 ± 0.09 4.60
86628 17:57:01.04 -31:14:25.95 15.57 ± 0.06 0.56
86629 17:57:01.07 -31:14:21.64 16.25 ± 0.14 3.99

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 15.52 ± 0.02 3.35
2460245.921 (2023-Oct-28.421) 15.63 ± 0.02 3.67
2460246.858 (2023-Oct-29.358) 15.50 ± 0.02 3.34
2460246.891 (2023-Oct-29.391) 15.49 ± 0.02 3.57
2460246.925 (2023-Oct-29.425) 15.60 ± 0.02 3.35

Calibration: I = 27.40 - 2.5 log10(ΔF + 54150.19)

Single lens fit parameters

tmax =JD 2459063.38 ± 0.02 UT (2020-Aug-1.88)
tE =2.99 ± 6.70 days
u0 =9.1540 ± 6.6180
Ibase =8.41 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice