MOA 2021-BLG-089

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Event Parameters

Internal ID:	gb4-R-4-36543
Discovery date:	2021-04-19T14:33:04
RA:	17:52:25.39
Dec:	-31:11:01.14
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
92942	17:52:25.28	-31:11:01.42	19.30 ± 0.25	2.29
93053	17:52:25.53	-31:11:02.14	18.73 ± 0.12	2.03
93054	17:52:25.56	-31:10:59.88	16.64 ± 0.06	1.77
93116	17:52:25.70	-31:11:03.84	17.11 ± 0.06	4.84
93151	17:52:25.78	-31:11:00.60	16.98 ± 0.10	4.56

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.899 (2024-Oct-28.399)	99.99 ± 99.99	4.62
2460611.911 (2024-Oct-28.411)	99.99 ± 99.99	4.62
2460611.921 (2024-Oct-28.421)	99.99 ± 99.99	4.83
2460611.930 (2024-Oct-28.430)	99.99 ± 99.99	4.56
2460614.875 (2024-Oct-31.375)	99.99 ± 99.99	4.95

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

Single lens fit parameters

t_max	=	JD 2459329.67	±	0.01 UT (2021-Apr-25.17)
t_E	=	23.04	±	0.46 days
u₀	=	0.0921	±	0.0024
I_base	=	18.56	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice