MOA 2020-BLG-172

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Event Parameters

Internal ID:	gb9-R-5-124813
Discovery date:	2020-07-19T12:10:08
RA:	17:58:41.33
Dec:	-29:56:59.79
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
37887	17:58:41.11	-29:56:57.97	15.06 ± 0.05	3.80
37918	17:58:41.25	-29:57:02.43	15.98 ± 0.06	3.80
37966	17:58:41.38	-29:57:02.39	15.57 ± 0.05	3.36
37984	17:58:41.38	-29:56:59.73	14.99 ± 0.03	0.56

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.919 (2024-Oct-28.419)	14.63 ± 0.07	5.64
2460611.928 (2024-Oct-28.428)	14.86 ± 0.04	5.04
2460614.863 (2024-Oct-31.363)	14.77 ± 0.06	5.31
2460614.869 (2024-Oct-31.369)	14.96 ± 0.03	4.94
2460614.873 (2024-Oct-31.373)	14.66 ± 0.07	5.63

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 92129.77)

Single lens fit parameters

t_max	=	JD 2459106.24	±	0.72 UT (2020-Sep-13.74)
t_E	=	495.92	±	70.99 days
u₀	=	0.0937	±	0.0186
I_base	=	19.56	±	0.22

External data

Gzipped FITS finder chart

All photometry data

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