MOA 2020-BLG-288

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Event Parameters

Internal ID:	gb4-R-3-77919
Discovery date:	2020-10-19T15:37:54
RA:	17:51:52.96
Dec:	-30:59:50.05
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
22106	17:51:52.94	-30:59:53.21	17.44 ± 0.16	3.98
22107	17:51:52.95	-30:59:50.82	16.40 ± 0.07	1.58
22222	17:51:53.19	-30:59:47.60	15.80 ± 0.05	3.13

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	99.99 ± 99.99	3.40
2460246.898 (2023-Oct-29.398)	99.99 ± 99.99	3.09
2460246.909 (2023-Oct-29.409)	99.99 ± 99.99	3.39
2460246.920 (2023-Oct-29.420)	99.99 ± 99.99	3.64
2460246.929 (2023-Oct-29.429)	99.99 ± 99.99	3.63

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

Single lens fit parameters

t_max	=	JD 2459143.10	±	0.20 UT (2020-Oct-20.60)
t_E	=	3.87	±	0.86 days
u₀	=	0.2523	±	0.0835
I_base	=	17.45	±	0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice