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
2460536.995 (2024-Aug-14.495)	18.60 ± 0.27	2.59
2460537.035 (2024-Aug-14.535)	18.81 ± 0.36	3.16
2460537.070 (2024-Aug-14.570)	20.85 ± 3.81	4.19
2460537.107 (2024-Aug-14.607)	17.91 ± 0.58	4.85
2460537.137 (2024-Aug-14.637)	17.79 ± 1.15	5.28

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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