MOA 2022-BLG-180

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Event Parameters

Internal ID:	gb8-R-8-16558
Discovery date:	2022-04-22T16:28:57
RA:	18:00:40.36
Dec:	-31:08:15.64
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
147391	18:00:40.53	-31:08:19.16	18.16 ± 0.11	4.22
147503	18:00:40.27	-31:08:13.56	18.01 ± 0.21	2.83
147504	18:00:40.25	-31:08:18.55	19.16 ± 0.20	2.50
147551	18:00:40.19	-31:08:20.45	19.82 ± 0.27	4.61
147576	18:00:40.11	-31:08:17.53	18.37 ± 0.10	2.97

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	99.99 ± 99.99	3.28
2460245.921 (2023-Oct-28.421)	21.96 ± 5.40	3.43
2460246.858 (2023-Oct-29.358)	19.95 ± 0.79	3.57
2460246.891 (2023-Oct-29.391)	99.99 ± 99.99	3.56
2460246.925 (2023-Oct-29.425)	99.99 ± 99.99	3.35

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

Single lens fit parameters

t_max	=	JD 2459693.86	±	0.01 UT (2022-Apr-24.36)
t_E	=	24.74	±	0.87 days
u₀	=	0.0209	±	0.0008
I_base	=	19.55	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice