MOA 2022-BLG-199

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Event Parameters

Internal ID:	gb7-R-2-20987
Discovery date:	2022-04-27T22:41:39
RA:	17:58:20.05
Dec:	-32:17:42.85
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
86680	17:58:19.83	-32:17:39.75	17.60 ± 0.04	4.43
86718	17:58:19.99	-32:17:39.79	17.00 ± 0.04	2.93
86746	17:58:20.08	-32:17:42.26	18.16 ± 0.09	0.28
86826	17:58:20.32	-32:17:41.50	14.94 ± 0.05	3.05

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.911 (2023-Oct-28.411)	18.44 ± 0.17	3.34
2460245.940 (2023-Oct-28.440)	18.28 ± 0.15	3.49
2460246.867 (2023-Oct-29.367)	18.48 ± 0.14	3.50
2460246.915 (2023-Oct-29.415)	18.29 ± 0.14	3.27
2460246.938 (2023-Oct-29.438)	18.02 ± 0.15	3.97

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4961.35)

Single lens fit parameters

t_max	=	JD 2459703.53	±	0.00 UT (2022-May-4.03)
t_E	=	40.73	±	1.72 days
u₀	=	0.0045	±	0.0003
I_base	=	18.88	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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