MOA 2022-BLG-477

Event Parameters

Internal ID:gb9-R-4-103195
Discovery date:2022-08-30T16:19:32
RA:17:57:37.38
Dec:-29:37:30.98
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
17661 17:57:37.14 -29:37:29.61 17.92 ± 0.19 4.05
17768 17:57:37.33 -29:37:30.18 16.00 ± 0.06 1.43
17812 17:57:37.40 -29:37:32.74 18.60 ± 0.19 2.47

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 15.97 ± 0.04 3.60
2460246.896 (2023-Oct-29.396) 15.91 ± 0.03 3.35
2460246.906 (2023-Oct-29.406) 15.94 ± 0.04 3.45
2460246.918 (2023-Oct-29.418) 15.91 ± 0.04 3.59
2460246.927 (2023-Oct-29.427) 15.90 ± 0.05 3.64

Calibration: I = 27.40 - 2.5 log10(ΔF + 36140.99)

Single lens fit parameters

tmax =JD 2459828.96 ± 0.07 UT (2022-Sep-6.46)
tE =48.20 ± 3.05 days
u0 =0.1567 ± 0.0148
Ibase =19.19 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice