MOA 2023-BLG-488

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Event Parameters

Internal ID:	gb1-R-3-31714
Discovery date:	2023-10-28T11:12:11
RA:	17:45:01.59
Dec:	-34:09:29.62
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
119936	17:45:01.39	-34:09:27.26	18.58 ± 0.06	3.71
120007	17:45:01.51	-34:09:25.68	15.85 ± 0.02	3.85
120173	17:45:01.90	-34:09:31.68	20.14 ± 0.36	4.45
120174	17:45:01.90	-34:09:28.89	16.47 ± 0.03	3.47

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	17.62 ± 0.20	3.76
2460245.937 (2023-Oct-28.437)	17.91 ± 0.30	3.88
2460246.859 (2023-Oct-29.359)	16.23 ± 0.05	3.86
2460246.892 (2023-Oct-29.392)	16.14 ± 0.04	3.78
2460246.926 (2023-Oct-29.426)	16.14 ± 0.05	3.84

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

Single lens fit parameters

t_max	=	JD 2460247.17	±	0.37 UT (2023-Oct-29.67)
t_E	=	22.30	±	9.77 days
u₀	=	0.0180	±	0.0276
I_base	=	20.54	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice