MOA 2022-BLG-137

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Event Parameters

Internal ID:	gb8-R-4-22321
Discovery date:	2022-03-30T18:15:14
RA:	17:56:55.13
Dec:	-31:25:15.94
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
717	17:56:54.92	-31:25:17.50	16.20 ± 0.04	4.16
812	17:56:55.22	-31:25:15.85	18.81 ± 0.13	0.72
840	17:56:55.31	-31:25:13.67	17.62 ± 0.13	2.50
902	17:56:55.50	-31:25:16.56	16.34 ± 0.16	4.50

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	19.00 ± 0.41	3.51
2460245.921 (2023-Oct-28.421)	23.97 ± 54.36	3.98
2460246.858 (2023-Oct-29.358)	19.09 ± 0.37	3.69
2460246.891 (2023-Oct-29.391)	19.41 ± 0.65	3.74
2460246.925 (2023-Oct-29.425)	18.98 ± 0.43	3.47

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2718.94)

Single lens fit parameters

t_max	=	JD 2459668.86	±	0.03 UT (2022-Mar-30.36)
t_E	=	10080.67	±	9318.59 days
u₀	=	0.0001	±	0.0006
I_base	=	28.78	±	0.16

External data

Gzipped FITS finder chart

All photometry data

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