MOA 2020-BLG-209

Event Parameters

Internal ID:gb3-R-9-31278
Discovery date:2020-08-11T10:36:57
RA:17:55:59.59
Dec:-32:25:48.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
114257 17:55:59.77 -32:25:46.55 18.92 ± 0.11 3.68
114329 17:55:59.60 -32:25:47.88 17.44 ± 0.06 1.11
114353 17:55:59.53 -32:25:45.22 16.25 ± 0.04 3.60
114412 17:55:59.41 -32:25:52.53 14.37 ± 0.02 4.39
114436 17:55:59.36 -32:25:45.56 17.87 ± 0.10 4.07
114490 17:55:59.22 -32:25:49.57 19.37 ± 0.15 4.37

Last 5 photometry measurements

Observation dateI magseeing
2460611.900 (2024-Oct-28.400) 17.39 ± 0.11 4.47
2460611.912 (2024-Oct-28.412) 17.09 ± 0.15 5.13
2460611.923 (2024-Oct-28.423) 17.45 ± 0.22 5.18
2460611.931 (2024-Oct-28.431) 17.14 ± 0.08 4.44
2460614.876 (2024-Oct-31.376) 17.05 ± 0.15 5.14

Calibration: I = 27.40 - 2.5 log10(ΔF + 9629.42)

Single lens fit parameters

tmax =JD 2459072.54 ± 0.00 UT (2020-Aug-11.04)
tE =100412.48 ± 97358.13 days
u0 =0.0000 ± 0.0000
Ibase =30.95 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice