MOA 2020-BLG-284

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Event Parameters

Internal ID:	gb12-R-3-5908
Discovery date:	2020-10-15T14:06:59
RA:	18:05:30.43
Dec:	-30:57:57.01
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
172516	18:05:30.32	-30:57:56.24	18.23 ± 0.06	2.08
172593	18:05:30.44	-30:57:56.61	17.44 ± 0.08	0.47
172698	18:05:30.63	-30:57:58.18	19.14 ± 0.20	2.71
172766	18:05:30.76	-30:57:57.80	18.59 ± 0.18	4.03

Last 5 photometry measurements

Observation date	I mag	seeing
2460244.915 (2023-Oct-27.415)	17.33 ± 0.10	4.12
2460245.869 (2023-Oct-28.369)	17.43 ± 0.08	3.11
2460245.912 (2023-Oct-28.412)	17.46 ± 0.10	3.28
2460246.868 (2023-Oct-29.368)	17.50 ± 0.09	3.45
2460246.916 (2023-Oct-29.416)	17.44 ± 0.09	3.17

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 9620.55)

Single lens fit parameters

t_max	=	JD 2459137.77	±	0.09 UT (2020-Oct-15.27)
t_E	=	85.96	±	6.41 days
u₀	=	0.0368	±	0.0037
I_base	=	20.61	±	0.16

External data

Gzipped FITS finder chart

All photometry data

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