MOA 2024-BLG-139

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Event Parameters

Internal ID:	gb4-R-5-63002
Discovery date:	2024-07-16T11:03:29
RA:	17:53:47.52
Dec:	-31:36:59.67
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
101559	17:53:47.45	-31:37:02.14	18.70 ± 0.12	3.54
101560	17:53:47.44	-31:36:57.05	17.76 ± 0.10	2.66
101647	17:53:47.69	-31:37:01.20	16.92 ± 0.16	2.78
101676	17:53:47.79	-31:36:57.90	18.36 ± 0.13	3.19

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.870 (2024-Oct-27.370)	99.99 ± 99.99	5.71
2460610.899 (2024-Oct-27.399)	99.99 ± 99.99	5.10
2460610.911 (2024-Oct-27.411)	99.99 ± 99.99	5.05
2460610.922 (2024-Oct-27.422)	99.99 ± 99.99	4.84
2460610.931 (2024-Oct-27.431)	99.99 ± 99.99	4.72

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

Single lens fit parameters

t_max	=	JD 2460507.25	±	0.03 UT (2024-Jul-15.75)
t_E	=	22.75	±	1.83 days
u₀	=	0.0430	±	0.0055
I_base	=	20.83	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice