MOA 2017-BLG-020

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Event Parameters

Internal ID:	gb9-R-9-88009
Discovery date:	2017-02-16T17:46:26
RA:	18:00:33.00
Dec:	-28:55:50.10
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
145186	18:00:33.18	-28:55:47.74	18.07 ± 0.14	4.29
145187	18:00:33.13	-28:55:50.84	15.65 ± 0.22	2.39
145210	18:00:33.13	-28:55:54.90	15.59 ± 0.03	4.98
145384	18:00:32.79	-28:55:54.81	16.68 ± 0.18	4.83
145419	18:00:32.71	-28:55:49.16	14.66 ± 0.07	3.72

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.919 (2024-Oct-28.419)	99.99 ± 99.99	5.51
2460611.928 (2024-Oct-28.428)	99.99 ± 99.99	4.92
2460614.863 (2024-Oct-31.363)	99.99 ± 99.99	5.05
2460614.869 (2024-Oct-31.369)	99.99 ± 99.99	5.08
2460614.873 (2024-Oct-31.373)	99.99 ± 99.99	5.31

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

Single lens fit parameters

t_max	=	JD 2457801.45	±	0.05 UT (2017-Feb-16.95)
t_E	=	23.92	±	2.15 days
u₀	=	0.0877	±	0.0131
I_base	=	19.21	±	0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice