MOA 2022-BLG-289

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Event Parameters

Internal ID:	gb13-R-7-36627
Discovery date:	2022-06-16T13:05:42
RA:	18:06:05.50
Dec:	-29:37:33.63
Current assessment:	microlensing/cv

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
178089	18:06:05.65	-29:37:33.80	18.06 ± 0.18	2.69
178108	18:06:05.62	-29:37:35.64	15.58 ± 0.07	2.78
178270	18:06:05.29	-29:37:32.40	18.12 ± 0.17	2.92
178352	18:06:05.17	-29:37:35.30	18.17 ± 0.15	3.89

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	18.95 ± 0.49	3.28
2460245.920 (2023-Oct-28.420)	18.47 ± 0.38	3.52
2460246.857 (2023-Oct-29.357)	19.81 ± 1.05	3.60
2460246.890 (2023-Oct-29.390)	20.72 ± 3.92	3.84
2460246.924 (2023-Oct-29.424)	99.99 ± 99.99	3.77

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459745.33	±	0.34 UT (2022-Jun-14.83)
t_E	=	18.20	±	2.58 days
u₀	=	0.2902	±	0.0601
I_base	=	18.79	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice