MOA 2023-BLG-280

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Event Parameters

Internal ID:	gb4-R-1-206161
Discovery date:	2023-06-22T20:39:45
RA:	17:53:58.37
Dec:	-30:24:28.94
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
68503	17:53:58.21	-30:24:31.94	15.76 ± 0.05	4.61
68504	17:53:58.23	-30:24:28.06	16.64 ± 0.06	2.52
68548	17:53:58.30	-30:24:26.09	16.56 ± 0.04	2.84
68612	17:53:58.47	-30:24:27.78	16.61 ± 0.21	0.92

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.899 (2024-Oct-28.399)	16.55 ± 0.08	4.66
2460611.911 (2024-Oct-28.411)	16.68 ± 0.08	4.94
2460611.921 (2024-Oct-28.421)	16.56 ± 0.09	5.30
2460611.930 (2024-Oct-28.430)	16.64 ± 0.06	4.59
2460614.875 (2024-Oct-31.375)	16.86 ± 0.11	5.27

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 20701.41)

Single lens fit parameters

t_max	=	JD 2460119.13	±	0.02 UT (2023-Jun-23.63)
t_E	=	3.31	±	0.35 days
u₀	=	0.2455	±	0.0355
I_base	=	18.57	±	0.26

External data

Gzipped FITS finder chart

All photometry data

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