MOA 2021-BLG-311

Event Parameters

Internal ID:gb3-R-2-41362
Discovery date:2021-08-06T11:40:05
RA:17:53:54.12
Dec:-32:31:36.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
52056 17:53:53.93 -32:31:38.30 17.78 ± 0.13 3.71
52057 17:53:53.93 -32:31:34.68 17.69 ± 0.17 3.64
52097 17:53:54.08 -32:31:34.55 17.33 ± 0.08 2.21
52148 17:53:54.13 -32:31:38.48 16.09 ± 0.16 2.22
52159 17:53:54.26 -32:31:34.54 18.51 ± 0.12 2.24
52177 17:53:54.33 -32:31:32.76 17.87 ± 0.11 4.27

Last 5 photometry measurements

Observation dateI magseeing
2460572.945 (2024-Sep-19.445) 99.99 ± 99.99 4.04
2460572.955 (2024-Sep-19.455) 20.61 ± 0.67 4.09
2460573.017 (2024-Sep-19.517) 99.99 ± 99.99 4.47
2460574.028 (2024-Sep-20.528) 99.99 ± 99.99 4.42
2460575.920 (2024-Sep-22.420) 99.99 ± 99.99 4.55

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

Single lens fit parameters

tmax =JD 2459432.02 ± 0.02 UT (2021-Aug-5.52)
tE =50.50 ± 5.62 days
u0 =0.0172 ± 0.0023
Ibase =20.79 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice