MOA 2023-BLG-224

Event Parameters

Internal ID:gb1-R-5-66425
Discovery date:2023-06-03T10:39:47
RA:17:45:05.06
Dec:-35:05:31.94
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
17567 17:45:04.79 -35:05:30.83 17.28 ± 0.06 4.09
17608 17:45:04.85 -35:05:33.68 17.97 ± 0.06 4.08
17641 17:45:04.99 -35:05:28.94 18.34 ± 0.07 2.98
17668 17:45:05.09 -35:05:31.07 17.14 ± 0.03 0.36
17686 17:45:05.10 -35:05:33.12 19.36 ± 0.22 1.86
17687 17:45:05.11 -35:05:26.93 18.80 ± 0.10 4.72
17767 17:45:05.38 -35:05:29.81 18.55 ± 0.12 3.96

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 17.39 ± 0.15 3.91
2460245.937 (2023-Oct-28.437) 17.50 ± 0.21 4.08
2460246.859 (2023-Oct-29.359) 17.38 ± 0.09 3.89
2460246.892 (2023-Oct-29.392) 17.24 ± 0.10 3.95
2460246.926 (2023-Oct-29.426) 17.44 ± 0.16 3.96

Calibration: I = 27.40 - 2.5 log10(ΔF + 12729.17)

Single lens fit parameters

tmax =JD 2460104.69 ± 0.04 UT (2023-Jun-9.19)
tE =36.97 ± 1.17 days
u0 =0.2721 ± 0.0120
Ibase =18.08 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice