MOA 2022-BLG-018

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Event Parameters

Internal ID:	gb1-R-4-41733
Discovery date:	2022-02-17T21:22:24
RA:	17:46:59.16
Dec:	-34:38:06.57
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
78425	17:46:59.06	-34:38:03.47	16.28 ± 0.05	3.23
78493	17:46:59.20	-34:38:08.83	18.61 ± 0.15	2.95
78494	17:46:59.23	-34:38:05.90	18.88 ± 0.12	0.20
78594	17:46:59.38	-34:38:07.81	18.32 ± 0.08	2.90

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	19.16 ± 0.43	3.50
2460245.937 (2023-Oct-28.437)	18.34 ± 0.28	3.83
2460246.859 (2023-Oct-29.359)	18.64 ± 0.25	3.71
2460246.892 (2023-Oct-29.392)	18.88 ± 0.38	3.68
2460246.926 (2023-Oct-29.426)	18.62 ± 0.29	3.62

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2560.94)

Single lens fit parameters

t_max	=	JD 2459621.41	±	0.02 UT (2022-Feb-10.91)
t_E	=	187.85	±	3.47 days
u₀	=	0.1171	±	0.0043
I_base	=	19.61	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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