MOA 2023-BLG-291

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Event Parameters

Internal ID:	gb13-R-4-101799
Discovery date:	2023-07-05T10:51:32
RA:	18:04:44.07
Dec:	-29:44:38.86
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
52424	18:04:43.93	-29:44:35.18	15.37 ± 0.06	4.09
52496	18:04:44.07	-29:44:37.73	15.60 ± 0.07	0.87
52497	18:04:44.04	-29:44:33.89	16.93 ± 0.13	4.70

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	15.69 ± 0.02	3.45
2460245.920 (2023-Oct-28.420)	15.60 ± 0.02	3.82
2460246.857 (2023-Oct-29.357)	15.67 ± 0.02	3.76
2460246.890 (2023-Oct-29.390)	15.66 ± 0.03	3.62
2460246.924 (2023-Oct-29.424)	15.66 ± 0.02	3.80

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 52432.43)

Single lens fit parameters

t_max	=	JD 2460138.73	±	0.00 UT (2023-Jul-13.23)
t_E	=	33.62	±	0.57 days
u₀	=	0.0113	±	0.0003
I_base	=	18.51	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice