MOA 2023-BLG-217

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Event Parameters

Internal ID:	gb4-R-9-101909
Discovery date:	2023-05-23T19:29:30
RA:	17:54:09.85
Dec:	-30:30:50.77
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
55428	17:54:10.13	-30:30:50.55	19.36 ± 0.33	4.39
55529	17:54:09.88	-30:30:54.61	15.37 ± 0.06	3.54
55569	17:54:09.78	-30:30:51.06	15.90 ± 0.12	0.43
55642	17:54:09.63	-30:30:48.62	17.85 ± 0.13	3.67
55695	17:54:09.48	-30:30:48.97	17.33 ± 0.07	4.98

Last 5 photometry measurements

Observation date	I mag	seeing
2460466.048 (2024-Jun-4.548)	15.90 ± 0.03	2.27
2460466.059 (2024-Jun-4.559)	15.90 ± 0.03	2.19
2460466.071 (2024-Jun-4.571)	15.89 ± 0.04	2.21
2460466.086 (2024-Jun-4.586)	15.88 ± 0.03	2.26
2460466.099 (2024-Jun-4.599)	15.89 ± 0.03	2.44

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 39627.80)

Single lens fit parameters

t_max	=	JD 2460092.72	±	0.14 UT (2023-May-28.22)
t_E	=	1.22	±	0.05 days
u₀	=	18.2998	±	0.5194
I_base	=	6.02	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice