MOA 2022-BLG-141

Event Parameters

Internal ID:gb4-R-7-82610
Discovery date:2022-04-02T13:25:35
RA:17:54:06.23
Dec:-31:23:54.21
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
174295 17:54:06.48 -31:23:56.20 18.59 ± 0.14 4.21
174337 17:54:06.41 -31:23:51.39 18.18 ± 0.18 4.61
174408 17:54:06.20 -31:23:51.05 17.77 ± 0.10 3.90
174447 17:54:06.11 -31:23:54.10 18.86 ± 0.36 1.19
174538 17:54:05.92 -31:23:55.84 15.85 ± 0.12 3.61

Last 5 photometry measurements

Observation dateI magseeing
2460537.087 (2024-Aug-14.587) 18.49 ± 0.70 4.78
2460537.102 (2024-Aug-14.602) 18.54 ± 1.00 4.51
2460537.114 (2024-Aug-14.614) 19.64 ± 3.31 4.68
2460537.124 (2024-Aug-14.624) 18.78 ± 1.69 6.71
2460537.134 (2024-Aug-14.634) 17.57 ± 0.83 5.24

Calibration: I = 27.40 - 2.5 log10(ΔF + 2596.57)

Single lens fit parameters

tmax =JD 2459674.17 ± 0.01 UT (2022-Apr-4.67)
tE =25.22 ± 0.66 days
u0 =0.0219 ± 0.0007
Ibase =19.77 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice