MOA 2017-BLG-340

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Event Parameters

Internal ID:	gb13-R-9-50922
Discovery date:	2017-06-28T15:22:01
RA:	18:06:36.44
Dec:	-28:47:33.42
Current assessment:	microlensing/cv

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
65605	18:06:36.61	-28:47:37.43	17.68 ± 0.15	4.57
65695	18:06:36.43	-28:47:31.97	17.99 ± 0.13	2.17
65781	18:06:36.25	-28:47:36.90	16.60 ± 0.09	3.58
65877	18:06:36.11	-28:47:35.73	18.64 ± 0.33	4.26

Last 5 photometry measurements

Observation date	I mag	seeing
2460571.045 (2024-Sep-17.545)	22.25 ± 25.17	4.07
2460572.896 (2024-Sep-19.396)	22.32 ± 4.45	3.60
2460572.936 (2024-Sep-19.436)	99.99 ± 99.99	4.34
2460574.035 (2024-Sep-20.535)	99.99 ± 99.99	4.71
2460575.922 (2024-Sep-22.422)	99.99 ± 99.99	4.74

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

Single lens fit parameters

t_max	=	JD 2457932.53	±	0.02 UT (2017-Jun-28.03)
t_E	=	307.69	±	117.24 days
u₀	=	0.0015	±	0.0009
I_base	=	24.18	±	0.20

External data

Gzipped FITS finder chart

All photometry data

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