MOA 2020-BLG-146

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Event Parameters

Internal ID:	gb21-R-1-8855
Discovery date:	2020-07-09T20:09:09
RA:	18:17:53.68
Dec:	-21:19:25.35
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
61960	18:17:53.71	-21:19:28.79	16.66 ± 0.02	4.22
61979	18:17:53.71	-21:19:24.52	17.54 ± 0.03	0.26
61980	18:17:53.74	-21:19:21.05	18.13 ± 0.04	3.91

Last 5 photometry measurements

Observation date	I mag	seeing
2460237.941 (2023-Oct-20.441)	17.48 ± 0.12	3.85
2460239.941 (2023-Oct-22.441)	17.53 ± 0.08	3.94
2460244.875 (2023-Oct-27.375)	17.46 ± 0.08	4.13
2460245.870 (2023-Oct-28.370)	17.38 ± 0.06	3.50
2460246.869 (2023-Oct-29.369)	17.56 ± 0.07	3.83

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 8757.90)

Single lens fit parameters

t_max	=	JD 2459051.55	±	0.20 UT (2020-Jul-21.05)
t_E	=	52.10	±	15.90 days
u₀	=	0.5873	±	0.1843
I_base	=	18.21	±	0.09

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice