MOA 2024-BLG-228

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Event Parameters

Internal ID:	gb17-R-8-64894
Discovery date:	2024-09-05T18:34:43
RA:	18:13:01.74
Dec:	-27:36:23.54
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
172411	18:13:01.85	-27:36:22.55	15.82 ± 0.07	2.72
172584	18:13:01.56	-27:36:28.40	17.98 ± 0.14	4.73
172608	18:13:01.48	-27:36:23.97	16.39 ± 0.18	2.90
172659	18:13:01.42	-27:36:25.96	16.18 ± 0.13	4.19

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.879 (2024-Oct-27.379)	99.99 ± 99.99	5.28
2460610.916 (2024-Oct-27.416)	99.99 ± 99.99	5.02
2460611.891 (2024-Oct-28.391)	99.99 ± 99.99	4.21
2460611.926 (2024-Oct-28.426)	18.25 ± 1.04	5.77
2460614.884 (2024-Oct-31.384)	99.99 ± 99.99	5.26

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

Single lens fit parameters

t_max	=	JD 2460564.88	±	0.09 UT (2024-Sep-11.38)
t_E	=	30.37	±	2.40 days
u₀	=	0.2485	±	0.0291
I_base	=	18.14	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice