MOA 2020-BLG-258

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Event Parameters

Internal ID:	gb5-R-8-114562
Discovery date:	2020-09-11T11:39:39
RA:	17:56:38.30
Dec:	-29:16:53.40
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
100169	17:56:38.25	-29:16:51.28	18.96 ± 0.12	2.81
100170	17:56:38.25	-29:16:55.83	17.27 ± 0.04	1.91

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.907 (2024-Oct-28.407)	17.51 ± 0.37	5.00
2460611.918 (2024-Oct-28.418)	15.87 ± 0.19	5.63
2460614.862 (2024-Oct-31.362)	16.90 ± 0.39	5.51
2460614.868 (2024-Oct-31.368)	17.05 ± 0.32	5.22
2460614.872 (2024-Oct-31.372)	17.98 ± 0.50	4.72

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

Single lens fit parameters

t_max	=	JD 2459105.58	±	0.02 UT (2020-Sep-13.08)
t_E	=	58.10	±	4.44 days
u₀	=	0.0000	±	0.0043
I_base	=	20.48	±	0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice