MOA 2017-BLG-290

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Event Parameters

Internal ID:	gb9-R-4-70192
Discovery date:	2017-05-30T15:30:13
RA:	17:59:01.54
Dec:	-29:27:48.53
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
151520	17:59:01.41	-29:27:48.56	18.23 ± 0.10	2.43
151619	17:59:01.64	-29:27:45.36	16.39 ± 0.08	2.77
151644	17:59:01.66	-29:27:52.39	17.71 ± 0.14	4.70
151746	17:59:01.90	-29:27:47.38	14.85 ± 0.02	4.32

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	19.23 ± 0.65	3.59
2460246.896 (2023-Oct-29.396)	19.43 ± 0.87	3.14
2460246.906 (2023-Oct-29.406)	20.62 ± 2.45	3.48
2460246.918 (2023-Oct-29.418)	19.10 ± 0.88	3.58
2460246.927 (2023-Oct-29.427)	18.48 ± 0.51	3.55

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

Single lens fit parameters

t_max	=	JD 2457906.07	±	0.07 UT (2017-Jun-1.57)
t_E	=	113.55	±	3.61 days
u₀	=	0.0525	±	0.0026
I_base	=	21.58	±	0.24

External data

Gzipped FITS finder chart

All photometry data

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