MOA 2021-BLG-401

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Event Parameters

Internal ID:	gb6-R-6-35868
Discovery date:	2021-09-22T16:05:41
RA:	17:57:00.45
Dec:	-28:14:21.43
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
97503	17:57:00.42	-28:14:22.20	16.82 ± 0.05	0.26
97553	17:57:00.35	-28:14:19.95	17.23 ± 0.06	2.38
97595	17:57:00.22	-28:14:24.52	19.33 ± 0.22	3.68

Last 5 photometry measurements

Observation date	I mag	seeing
2460235.907 (2023-Oct-18.407)	17.02 ± 0.06	4.07
2460239.931 (2023-Oct-22.431)	16.71 ± 0.08	3.72
2460244.880 (2023-Oct-27.380)	16.44 ± 0.10	4.65
2460245.875 (2023-Oct-28.375)	17.04 ± 0.12	3.38
2460246.874 (2023-Oct-29.374)	17.06 ± 0.12	3.57

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 17029.43)

Single lens fit parameters

t_max	=	JD 2459477.90	±	0.05 UT (2021-Sep-20.40)
t_E	=	6.07	±	0.44 days
u₀	=	0.4661	±	0.0767
I_base	=	15.81	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice