MOA 2023-BLG-399

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Event Parameters

Internal ID:	gb5-R-9-185666
Discovery date:	2023-08-23T08:05:06
RA:	17:55:47.65
Dec:	-28:44:55.23
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
33251	17:55:47.84	-28:44:57.30	18.90 ± 0.20	3.50
33386	17:55:47.54	-28:44:56.08	17.00 ± 0.10	0.96
33503	17:55:47.34	-28:44:52.80	18.45 ± 0.28	4.74

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.907 (2024-Oct-28.407)	16.56 ± 0.10	5.14
2460611.918 (2024-Oct-28.418)	16.06 ± 0.11	5.70
2460614.862 (2024-Oct-31.362)	17.62 ± 0.52	5.70
2460614.868 (2024-Oct-31.368)	16.67 ± 0.10	5.30
2460614.872 (2024-Oct-31.372)	16.62 ± 0.06	4.72

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 14521.12)

Single lens fit parameters

t_max	=	JD 2460178.14	±	0.06 UT (2023-Aug-21.64)
t_E	=	21.46	±	1.76 days
u₀	=	0.2604	±	0.0306
I_base	=	19.26	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice