MOA 2020-BLG-256

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Event Parameters

Internal ID:	gb5-R-5-207304
Discovery date:	2020-09-08T16:03:33
RA:	17:52:54.56
Dec:	-29:54:23.06
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
119054	17:52:54.60	-29:54:22.46	15.99 ± 0.07	0.14
119147	17:52:54.78	-29:54:24.81	18.90 ± 0.28	3.39
119180	17:52:54.89	-29:54:23.15	17.21 ± 0.05	3.85

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.907 (2024-Oct-28.407)	15.87 ± 0.05	5.48
2460611.918 (2024-Oct-28.418)	15.63 ± 0.12	6.13
2460614.862 (2024-Oct-31.362)	16.04 ± 0.16	5.94
2460614.868 (2024-Oct-31.368)	16.36 ± 0.14	5.66
2460614.872 (2024-Oct-31.372)	15.90 ± 0.05	5.24

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 36475.39)

Single lens fit parameters

t_max	=	JD 2459103.53	±	0.00 UT (2020-Sep-11.03)
t_E	=	19.38	±	0.49 days
u₀	=	0.0453	±	0.0017
I_base	=	18.02	±	0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice