MOA 2021-BLG-426

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Event Parameters

Internal ID:	gb14-R-4-97664
Discovery date:	2021-10-11T09:34:33
RA:	18:05:50.77
Dec:	-27:57:43.88
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
99539	18:05:50.49	-27:57:44.15	17.43 ± 0.25	4.63
99702	18:05:50.77	-27:57:47.28	15.65 ± 0.07	4.19
99703	18:05:50.83	-27:57:43.11	14.41 ± 0.23	0.24
99837	18:05:51.00	-27:57:39.64	17.51 ± 0.13	4.56

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.855 (2023-Oct-29.355)	14.41 ± 0.01	3.48
2460246.889 (2023-Oct-29.389)	14.42 ± 0.01	3.67
2460246.901 (2023-Oct-29.401)	14.42 ± 0.01	2.96
2460246.911 (2023-Oct-29.411)	14.42 ± 0.01	3.45
2460246.923 (2023-Oct-29.423)	14.41 ± 0.01	3.87

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 156602.97)

Single lens fit parameters

t_max	=	JD 2459500.60	±	0.02 UT (2021-Oct-13.10)
t_E	=	39.37	±	3.81 days
u₀	=	0.0000	±	0.0146
I_base	=	19.50	±	0.33

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice