MOA 2021-BLG-259

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Event Parameters

Internal ID:	gb5-R-1-115440
Discovery date:	2021-07-13T18:53:18
RA:	17:53:36.19
Dec:	-28:31:52.83
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
93002	17:53:35.94	-28:31:49.84	16.56 ± 0.03	4.78
93013	17:53:36.00	-28:31:54.47	17.32 ± 0.04	3.92
93171	17:53:36.50	-28:31:50.08	17.83 ± 0.04	4.36

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	20.92 ± 3.06	4.18
2460246.883 (2023-Oct-29.383)	20.39 ± 1.16	3.83
2460246.895 (2023-Oct-29.395)	99.99 ± 99.99	3.81
2460246.905 (2023-Oct-29.405)	19.79 ± 0.80	3.78
2460246.917 (2023-Oct-29.417)	99.99 ± 99.99	3.79

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

Single lens fit parameters

t_max	=	JD 2459409.48	±	0.02 UT (2021-Jul-13.98)
t_E	=	12065.85	±	10467.73 days
u₀	=	0.0001	±	0.0008
I_base	=	27.70	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice