MOA 2023-BLG-438

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Event Parameters

Internal ID:	gb16-R-10-13678
Discovery date:	2023-09-25T14:57:40
RA:	18:13:55.71
Dec:	-28:26:50.33
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
24907	18:13:55.67	-28:26:46.91	17.68 ± 0.07	4.24
24908	18:13:55.67	-28:26:51.36	17.84 ± 0.07	0.49
24982	18:13:55.49	-28:26:50.13	16.90 ± 0.02	2.59

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.883 (2024-Oct-27.383)	17.24 ± 0.10	5.48
2460610.926 (2024-Oct-27.426)	17.59 ± 0.13	5.23
2460611.904 (2024-Oct-28.404)	17.60 ± 0.17	5.51
2460611.936 (2024-Oct-28.436)	17.48 ± 0.11	4.87
2460614.888 (2024-Oct-31.388)	17.51 ± 0.22	5.75

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 6643.55)

Single lens fit parameters

t_max	=	JD 2460228.77	±	0.01 UT (2023-Oct-11.27)
t_E	=	77.99	±	1.19 days
u₀	=	0.0293	±	0.0006
I_base	=	18.46	±	0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice