MOA 2021-BLG-405

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Event Parameters

Internal ID:	gb5-R-8-122795
Discovery date:	2021-09-27T12:59:12
RA:	17:54:27.90
Dec:	-29:17:24.43
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
166610	17:54:28.08	-29:17:23.02	17.05 ± 0.22	3.67
166632	17:54:28.02	-29:17:27.68	16.14 ± 0.24	3.51
166706	17:54:27.85	-29:17:23.56	15.59 ± 0.26	1.51
166829	17:54:27.66	-29:17:23.32	17.05 ± 0.16	3.19
166852	17:54:27.62	-29:17:28.12	18.61 ± 0.21	4.47

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	19.45 ± 1.48	4.61
2460573.023 (2024-Sep-19.523)	19.60 ± 1.43	4.71
2460575.899 (2024-Sep-22.399)	18.25 ± 0.29	4.15
2460575.902 (2024-Sep-22.402)	19.54 ± 3.43	4.64
2460575.915 (2024-Sep-22.415)	18.45 ± 0.87	4.62

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459484.91	±	0.02 UT (2021-Sep-27.41)
t_E	=	13.46	±	0.92 days
u₀	=	0.3777	±	0.0415
I_base	=	17.45	±	0.39

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice