MOA 2021-BLG-427

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Event Parameters

Internal ID:	gb9-R-1-174792
Discovery date:	2021-10-11T09:34:46
RA:	17:58:15.36
Dec:	-28:34:11.07
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
24725	17:58:15.06	-28:34:10.40	14.29 ± 0.08	4.78
24762	17:58:15.17	-28:34:13.19	16.38 ± 0.06	4.30
24878	17:58:15.43	-28:34:09.76	15.83 ± 0.03	0.87
24941	17:58:15.57	-28:34:12.49	15.74 ± 0.03	3.13

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	15.86 ± 0.05	3.92
2460246.896 (2023-Oct-29.396)	15.92 ± 0.05	3.71
2460246.906 (2023-Oct-29.406)	15.75 ± 0.06	3.72
2460246.918 (2023-Oct-29.418)	15.93 ± 0.06	3.88
2460246.927 (2023-Oct-29.427)	16.09 ± 0.08	3.84

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 42461.96)

Single lens fit parameters

t_max	=	JD 2459499.37	±	0.05 UT (2021-Oct-11.87)
t_E	=	0.64	±	1.91 days
u₀	=	10.8271	±	8.4150
I_base	=	7.54	±	0.25

External data

Gzipped FITS finder chart

All photometry data

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