MOA 2022-BLG-200

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Event Parameters

Internal ID:	gb8-R-3-42240
Discovery date:	2022-04-27T22:41:42
RA:	17:57:17.07
Dec:	-31:03:39.16
Current assessment:	microlensing/cv

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
11565	17:57:17.08	-31:03:38.82	16.95 ± 0.10	0.54
11613	17:57:17.12	-31:03:42.05	17.90 ± 0.07	3.61
11721	17:57:17.37	-31:03:40.55	15.65 ± 0.06	4.03
11767	17:57:17.45	-31:03:36.82	16.77 ± 0.07	4.93

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	16.89 ± 0.06	3.39
2460245.921 (2023-Oct-28.421)	17.09 ± 0.11	3.67
2460246.858 (2023-Oct-29.358)	16.95 ± 0.07	3.50
2460246.891 (2023-Oct-29.391)	16.92 ± 0.08	3.58
2460246.925 (2023-Oct-29.425)	17.06 ± 0.09	3.41

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 15079.95)

Single lens fit parameters

t_max	=	JD 2459699.40	±	0.03 UT (2022-Apr-29.90)
t_E	=	18.40	±	2.06 days
u₀	=	0.0928	±	0.0143
I_base	=	20.02	±	0.27

External data

Gzipped FITS finder chart

All photometry data

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