MOA 2020-BLG-226

Event Parameters

Internal ID:gb7-R-3-10976
Discovery date:2020-08-16T16:46:00
RA:17:59:52.06
Dec:-32:44:57.41
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
95191 17:59:51.89 -32:44:58.98 18.76 ± 0.16 3.60
95192 17:59:51.88 -32:44:56.18 18.13 ± 0.09 2.97
95248 17:59:51.96 -32:44:54.02 16.69 ± 0.10 3.45
95275 17:59:52.03 -32:44:56.25 17.74 ± 0.10 1.14
95328 17:59:52.15 -32:44:56.98 17.70 ± 0.07 0.55
95329 17:59:52.20 -32:44:52.99 17.40 ± 0.19 4.12
95413 17:59:52.32 -32:44:59.58 19.03 ± 0.16 3.97

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 17.53 ± 0.10 3.34
2460245.940 (2023-Oct-28.440) 17.55 ± 0.14 3.39
2460246.867 (2023-Oct-29.367) 17.44 ± 0.09 3.64
2460246.915 (2023-Oct-29.415) 17.60 ± 0.12 3.26
2460246.938 (2023-Oct-29.438) 17.39 ± 0.16 3.98

Calibration: I = 27.40 - 2.5 log10(ΔF + 7620.79)

Single lens fit parameters

tmax =JD 2459081.78 ± 0.03 UT (2020-Aug-20.28)
tE =35.82 ± 5.24 days
u0 =0.0414 ± 0.0087
Ibase =20.91 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice