MOA 2022-BLG-230

Event Parameters

Internal ID:gb6-R-4-1546
Discovery date:2022-05-10T11:55:34
RA:17:52:49.12
Dec:-27:55:54.11
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
39844 17:52:48.84 -27:55:54.64 16.78 ± 0.06 4.60
39965 17:52:49.10 -27:55:57.85 18.36 ± 0.04 4.60
39993 17:52:49.16 -27:55:48.83 19.00 ± 0.09 4.89
40014 17:52:49.16 -27:55:53.55 20.11 ± 0.16 0.02
40159 17:52:49.50 -27:55:54.93 19.49 ± 0.11 4.91

Last 5 photometry measurements

Observation dateI magseeing
2460235.907 (2023-Oct-18.407) 22.54 ± 5.85 3.90
2460239.931 (2023-Oct-22.431) 20.30 ± 1.09 3.37
2460244.880 (2023-Oct-27.380) 99.99 ± 99.99 4.24
2460245.875 (2023-Oct-28.375) 99.99 ± 99.99 3.15
2460246.874 (2023-Oct-29.374) 19.96 ± 0.77 3.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 826.42)

Single lens fit parameters

tmax =JD 2459711.02 ± 0.01 UT (2022-May-11.52)
tE =21.02 ± 1.53 days
u0 =0.0370 ± 0.0032
Ibase =20.18 ± 0.10

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice