MOA 2022-BLG-141

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Event Parameters

Internal ID:	gb4-R-7-82610
Discovery date:	2022-04-02T13:25:35
RA:	17:54:06.23
Dec:	-31:23:54.21
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
174295	17:54:06.48	-31:23:56.20	18.59 ± 0.14	4.21
174337	17:54:06.41	-31:23:51.39	18.18 ± 0.18	4.61
174408	17:54:06.20	-31:23:51.05	17.77 ± 0.10	3.90
174447	17:54:06.11	-31:23:54.10	18.86 ± 0.36	1.19
174538	17:54:05.92	-31:23:55.84	15.85 ± 0.12	3.61

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	18.65 ± 0.40	3.62
2460246.898 (2023-Oct-29.398)	18.94 ± 0.44	3.09
2460246.909 (2023-Oct-29.409)	18.68 ± 0.44	3.28
2460246.920 (2023-Oct-29.420)	18.17 ± 0.29	3.68
2460246.929 (2023-Oct-29.429)	18.89 ± 0.60	3.70

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2596.57)

Single lens fit parameters

t_max	=	JD 2459674.17	±	0.01 UT (2022-Apr-4.67)
t_E	=	25.22	±	0.66 days
u₀	=	0.0219	±	0.0007
I_base	=	19.77	±	0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice