MOA 2021-BLG-422

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Event Parameters

Internal ID:	gb4-R-2-106696
Discovery date:	2021-10-05T14:13:27
RA:	17:51:24.64
Dec:	-30:37:17.56
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
56900	17:51:24.58	-30:37:13.99	17.18 ± 0.05	3.43
56943	17:51:24.82	-30:37:20.86	17.00 ± 0.02	4.47
56974	17:51:25.01	-30:37:15.03	17.10 ± 0.03	4.77

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	99.99 ± 99.99	3.60
2460246.898 (2023-Oct-29.398)	99.99 ± 99.99	3.43
2460246.909 (2023-Oct-29.409)	99.99 ± 99.99	3.59
2460246.920 (2023-Oct-29.420)	99.99 ± 99.99	3.87
2460246.929 (2023-Oct-29.429)	99.99 ± 99.99	3.93

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

Single lens fit parameters

t_max	=	JD 2459492.94	±	0.00 UT (2021-Oct-5.44)
t_E	=	3.37	±	0.19 days
u₀	=	0.0457	±	0.0030
I_base	=	17.80	±	0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice