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
2460246.855 (2023-Oct-29.355)	17.67 ± 0.05	3.82
2460246.889 (2023-Oct-29.389)	17.44 ± 0.05	3.95
2460246.901 (2023-Oct-29.401)	17.44 ± 0.04	3.29
2460246.911 (2023-Oct-29.411)	17.42 ± 0.06	3.66
2460246.923 (2023-Oct-29.423)	17.39 ± 0.08	4.05

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