MOA 2022-BLG-547

Event Parameters

Internal ID:gb12-R-9-24546
Discovery date:2022-10-07T12:47:14
RA:18:07:10.19
Dec:-30:30:46.13
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
56313 18:07:10.45 -30:30:47.38 18.04 ± 0.09 4.12
56374 18:07:10.32 -30:30:43.78 17.08 ± 0.06 3.82
56463 18:07:10.10 -30:30:45.98 17.63 ± 0.12 0.96
56545 18:07:09.94 -30:30:44.35 18.81 ± 0.09 3.71
56573 18:07:09.88 -30:30:46.00 19.42 ± 0.14 3.60

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 17.57 ± 0.19 4.30
2460245.869 (2023-Oct-28.369) 17.61 ± 0.12 3.18
2460245.912 (2023-Oct-28.412) 17.91 ± 0.24 3.47
2460246.868 (2023-Oct-29.368) 17.78 ± 0.15 3.62
2460246.916 (2023-Oct-29.416) 17.57 ± 0.16 3.25

Calibration: I = 27.40 - 2.5 log10(ΔF + 8061.21)

Single lens fit parameters

tmax =JD 2459858.65 ± 0.11 UT (2022-Oct-6.15)
tE =22.26 ± 5.53 days
u0 =0.1043 ± 0.0284
Ibase =19.83 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice