MOA 2023-BLG-255

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Event Parameters

Internal ID:	gb5-R-7-228215
Discovery date:	2023-06-09T18:54:20
RA:	17:56:44.88
Dec:	-29:41:00.37
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
90342	17:56:45.06	-29:40:57.30	16.96 ± 0.12	4.88
90343	17:56:45.08	-29:41:01.77	14.99 ± 0.02	3.40
90423	17:56:44.87	-29:41:01.04	16.20 ± 0.04	0.48
90524	17:56:44.54	-29:40:58.20	17.71 ± 0.10	4.96

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	16.85 ± 0.18	3.89
2460246.883 (2023-Oct-29.383)	16.45 ± 0.07	3.62
2460246.895 (2023-Oct-29.395)	16.51 ± 0.08	3.52
2460246.905 (2023-Oct-29.405)	16.38 ± 0.08	3.46
2460246.917 (2023-Oct-29.417)	16.38 ± 0.08	3.40

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 30060.76)

Single lens fit parameters

t_max	=	JD 2460129.61	±	0.02 UT (2023-Jul-4.11)
t_E	=	17.92	±	0.37 days
u₀	=	0.5589	±	0.0191
I_base	=	15.86	±	0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice