MOA 2022-BLG-509

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Event Parameters

Internal ID:	gb14-R-2-113047
Discovery date:	2022-09-14T15:07:14
RA:	18:03:56.52
Dec:	-27:03:12.10
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
104791	18:03:56.26	-27:03:10.98	18.32 ± 0.09	4.28
104928	18:03:56.58	-27:03:14.52	17.91 ± 0.10	3.15
104929	18:03:56.56	-27:03:11.34	17.47 ± 0.07	0.20
104981	18:03:56.73	-27:03:07.61	16.54 ± 0.04	4.69

Last 5 photometry measurements

Observation date	I mag	seeing
2460568.005 (2024-Sep-14.505)	17.34 ± 0.06	3.88
2460568.017 (2024-Sep-14.517)	17.37 ± 0.07	3.77
2460568.027 (2024-Sep-14.527)	17.64 ± 0.10	3.71
2460568.039 (2024-Sep-14.539)	17.56 ± 0.16	3.92
2460568.048 (2024-Sep-14.548)	17.70 ± 0.17	3.48

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 9375.62)

Single lens fit parameters

t_max	=	JD 2459888.85	±	1.94 UT (2022-Nov-5.35)
t_E	=	101.37	±	2.93 days
u₀	=	0.2449	±	0.0112
I_base	=	17.51	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice