MOA 2023-BLG-146

Event Parameters

Internal ID:gb21-R-4-5585
Discovery date:2023-04-26T19:32:56
RA:18:17:11.34
Dec:-22:20:43.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
157264 18:17:11.61 -22:20:38.35 19.76 ± 0.11 4.96
62669 18:17:11.15 -22:20:43.00 17.65 ± 0.08 3.28
62718 18:17:11.22 -22:20:41.57 18.13 ± 0.06 2.42
62753 18:17:11.28 -22:20:47.00 18.64 ± 0.09 4.89
62825 18:17:11.41 -22:20:42.56 16.64 ± 0.14 0.39
62851 18:17:11.43 -22:20:46.81 19.25 ± 0.13 4.53
62993 18:17:11.66 -22:20:43.70 19.16 ± 0.09 4.19

Last 5 photometry measurements

Observation dateI magseeing
2460598.905 (2024-Oct-15.405) 16.62 ± 0.03 3.10
2460599.873 (2024-Oct-16.373) 16.61 ± 0.02 2.33
2460599.952 (2024-Oct-16.452) 16.65 ± 0.04 3.16
2460602.896 (2024-Oct-19.396) 16.69 ± 0.02 3.29
2460610.886 (2024-Oct-27.386) 17.03 ± 0.24 5.18

Calibration: I = 27.40 - 2.5 log10(ΔF + 20137.24)

Single lens fit parameters

tmax =JD 2460084.91 ± 0.06 UT (2023-May-20.41)
tE =44.76 ± 1.98 days
u0 =0.6449 ± 0.0447
Ibase =17.09 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice