MOA 2020-BLG-221

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Event Parameters

Internal ID:	gb9-R-7-71026
Discovery date:	2020-08-15T14:55:20
RA:	18:01:08.58
Dec:	-29:41:39.73
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
129155	18:01:08.67	-29:41:41.22	16.23 ± 0.04	2.01
129252	18:01:08.45	-29:41:36.43	17.72 ± 0.08	4.23
129279	18:01:08.37	-29:41:39.69	16.88 ± 0.06	2.38

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	19.32 ± 0.69	3.47
2460246.896 (2023-Oct-29.396)	19.78 ± 0.84	3.06
2460246.906 (2023-Oct-29.406)	20.36 ± 1.85	3.34
2460246.918 (2023-Oct-29.418)	99.99 ± 99.99	3.43
2460246.927 (2023-Oct-29.427)	99.99 ± 99.99	3.39

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

Single lens fit parameters

t_max	=	JD 2459078.45	±	0.05 UT (2020-Aug-16.95)
t_E	=	61.97	±	5.67 days
u₀	=	0.1139	±	0.0158
I_base	=	20.73	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice