MOA 2021-BLG-131

Event Parameters

Internal ID:gb10-R-8-75284
Discovery date:2021-05-22T13:48:53
RA:18:01:18.07
Dec:-27:29:28.38
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
157404 18:01:18.03 -27:29:32.55 17.52 ± 0.13 3.46
157663 18:01:17.66 -27:29:31.02 15.76 ± 0.05 4.99
55201 18:01:18.16 -27:29:24.79 15.45 ± 0.09 4.68
55310 18:01:18.01 -27:29:26.11 15.60 ± 0.07 2.96
55365 18:01:17.90 -27:29:28.39 14.81 ± 0.08 1.94
55389 18:01:17.85 -27:29:25.47 17.73 ± 0.20 4.37

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 17.88 ± 0.21 3.58
2460246.886 (2023-Oct-29.386) 18.19 ± 0.20 3.63
2460246.897 (2023-Oct-29.397) 17.80 ± 0.16 3.08
2460246.908 (2023-Oct-29.408) 17.90 ± 0.18 3.49
2460246.919 (2023-Oct-29.419) 18.91 ± 0.73 4.07

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

Single lens fit parameters

tmax =JD 2459358.13 ± 0.01 UT (2021-May-23.63)
tE =713.37 ± 450.00 days
u0 =0.0022 ± 0.0038
Ibase =23.45 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice