MOA 2021-BLG-183

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Event Parameters

Internal ID:	gb17-R-8-51860
Discovery date:	2021-06-17T03:39:08
RA:	18:12:57.13
Dec:	-27:22:53.94
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
72988	18:12:57.38	-27:22:54.66	16.73 ± 0.19	4.10
73037	18:12:57.31	-27:22:51.72	17.88 ± 0.13	4.23
73116	18:12:57.14	-27:22:52.48	18.20 ± 0.15	2.26
73117	18:12:57.14	-27:22:56.05	16.68 ± 0.13	1.73
73202	18:12:57.03	-27:22:59.06	17.36 ± 0.30	4.73
73273	18:12:56.89	-27:22:53.30	17.68 ± 0.16	2.93
73274	18:12:56.89	-27:22:56.59	18.45 ± 0.22	3.39

Last 5 photometry measurements

Observation date	I mag	seeing
2460570.962 (2024-Sep-17.462)	19.65 ± 0.61	3.28
2460571.002 (2024-Sep-17.502)	18.64 ± 0.38	4.12
2460571.035 (2024-Sep-17.535)	18.74 ± 0.58	4.30
2460572.901 (2024-Sep-19.401)	18.89 ± 0.26	3.79
2460572.948 (2024-Sep-19.448)	19.20 ± 0.41	3.74

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

Single lens fit parameters

t_max	=	JD 2459425.17	±	0.19 UT (2021-Jul-29.67)
t_E	=	4945.90	±	19.85 days
u₀	=	0.0062	±	0.0001
I_base	=	22.92	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice