MOA 2020-BLG-220

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Event Parameters

Internal ID:	gb5-R-9-150269
Discovery date:	2020-08-15T14:55:16
RA:	17:54:43.05
Dec:	-29:03:08.43
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
148594	17:54:43.28	-29:03:05.99	19.45 ± 0.40	4.80
148682	17:54:43.07	-29:03:07.52	16.81 ± 0.08	1.73
148683	17:54:43.04	-29:03:10.87	18.30 ± 0.17	1.96
148743	17:54:42.93	-29:03:06.23	16.92 ± 0.07	3.07
148811	17:54:42.82	-29:03:08.18	18.47 ± 0.23	2.69

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	99.99 ± 99.99	3.68
2460246.883 (2023-Oct-29.383)	20.10 ± 0.85	3.44
2460246.895 (2023-Oct-29.395)	20.08 ± 0.95	3.29
2460246.905 (2023-Oct-29.405)	99.99 ± 99.99	3.36
2460246.917 (2023-Oct-29.417)	22.51 ± 9.87	3.41

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

Single lens fit parameters

t_max	=	JD 2459077.02	±	0.01 UT (2020-Aug-15.52)
t_E	=	11.72	±	1.12 days
u₀	=	0.1348	±	0.0184
I_base	=	19.91	±	0.35

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice